loadpatents
Patent applications and USPTO patent grants for Nippon Telegraph and Telephone Public Corporation.The latest application filed is for "method and apparatus for evaluating the strength of an encryption".
Patent | Date |
---|---|
Method and apparatus for evaluating the strength of an encryption Grant 7,187,769 - Moriai , et al. March 6, 2 | 2007-03-06 |
Variable division method and variable divider Grant 7,180,341 - Harada , et al. February 20, 2 | 2007-02-20 |
Optical fiber connector including L-shaped positioning standard surfaces and method of manufacturing the same Grant 5,379,361 - Maekawa , et al. January 3, 1 | 1995-01-03 |
System for monitoring normality of operation of ATM cross-connecting apparatus Grant 5,280,469 - Taniguchi , et al. January 18, 1 | 1994-01-18 |
Method and apparatus for testing integrated electronic device Grant 4,980,639 - Yoshizawa , et al. December 25, 1 | 1990-12-25 |
Optical transmission fiber and process for producing the same Grant 4,975,102 - Edahiro , et al. December 4, 1 | 1990-12-04 |
Optical fiber cable Grant 4,966,434 - Yonechi , et al. October 30, 1 | 1990-10-30 |
Bipolar transistors Grant 4,920,401 - Sakai , et al. April 24, 1 | 1990-04-24 |
Apparatus for fusion splicing optical fibers Grant 4,878,933 - Yamada , et al. November 7, 1 | 1989-11-07 |
Electrical connectors for leadless circuit boards Grant 4,857,001 - Nakano , et al. August 15, 1 | 1989-08-15 |
Speech signal processing system Grant 4,850,022 - Honda , et al. July 18, 1 | 1989-07-18 |
Digital-to-analog converting apparatus equipped with calibrating function Grant 4,835,535 - Shibayama , et al. May 30, 1 | 1989-05-30 |
Coated optical fiber, fabrication process thereof and fabrication apparatus thereof Grant 4,801,186 - Wagatsuma , et al. January 31, 1 | 1989-01-31 |
System for detecting a transmission error Grant 4,791,485 - Kuroda , et al. December 13, 1 | 1988-12-13 |
Dynamic ram cell with trench surrounded switching element Grant 4,786,954 - Morie , et al. November 22, 1 | 1988-11-22 |
Shaped offset-fed dual reflector antenna Grant 4,783,664 - Karikomi , et al. November 8, 1 | 1988-11-08 |
Apparatus for quantitative secondary ion mass spectrometry Grant 4,766,313 - Homma , et al. August 23, 1 | 1988-08-23 |
Image information retrieval/display apparatus Grant 4,742,558 - Ishibashi , et al. May 3, 1 | 1988-05-03 |
Method of transmitting terminating call signals within a restricted duration and a base station and a portable unit for use in the same Grant 4,736,461 - Kawasaki , et al. April 5, 1 | 1988-04-05 |
Video/audio information transmission system Grant 4,734,765 - Okada , et al. March 29, 1 | 1988-03-29 |
Wireless reception system Grant 4,726,064 - Kishi , et al. February 16, 1 | 1988-02-16 |
Optical connector ferrule and process for production thereof Grant 4,722,584 - Kakii , et al. February 2, 1 | 1988-02-02 |
Low loss and high speed diodes Grant 4,720,734 - Amemiya , et al. January 19, 1 | 1988-01-19 |
Space diversity reception system having compensation means of multipath effect Grant 4,710,975 - Okamoto , et al. * December 1, 1 | 1987-12-01 |
Water-blocked optical fiber cable Grant 4,703,998 - Uchioke , et al. November 3, 1 | 1987-11-03 |
Submarine optical fiber cable with dam means Grant 4,684,213 - Ishihara , et al. August 4, 1 | 1987-08-04 |
Optical fiber Grant 4,679,899 - Kobayashi , et al. July 14, 1 | 1987-07-14 |
Method of transmitting terminating call signals within a restricted duration and a base station and a portable unit for use in the same Grant 4,679,244 - Kawasaki , et al. July 7, 1 | 1987-07-07 |
Pager receiver comprising a message detector energized only at pertinent time slots Grant 4,668,949 - Akahori , et al. May 26, 1 | 1987-05-26 |
MIS variable resistor Grant 4,665,423 - Akiya May 12, 1 | 1987-05-12 |
Diffraction grating position adjuster using a grating and a reflector Grant 4,656,347 - Une , et al. April 7, 1 | 1987-04-07 |
Method of manufacturing semiconductor device with MIS capacitor Grant 4,645,564 - Morie , et al. February 24, 1 | 1987-02-24 |
Electric power supply circuit capable of reducing a loss of electric power Grant 4,644,458 - Harafuji , et al. February 17, 1 | 1987-02-17 |
Optical fibers coated with modified 1,4-polybutadienes Grant 4,639,080 - Kimura , et al. January 27, 1 | 1987-01-27 |
Analog signal measuring apparatus Grant 4,638,185 - Kobayashi , et al. January 20, 1 | 1987-01-20 |
Method for the pretreatment of a substrate for ion implantation Grant 4,636,280 - Nakai , et al. January 13, 1 | 1987-01-13 |
X-ray source and X-ray lithography method Grant 4,635,282 - Okada , et al. January 6, 1 | 1987-01-06 |
Interference wave detection circuit for use in radio receiver Grant 4,635,298 - Kage , et al. January 6, 1 | 1987-01-06 |
Digital frequency divider suitable for a frequency synthesizer Grant 4,633,194 - Kikuchi , et al. December 30, 1 | 1986-12-30 |
Electronic circuit capable of stably keeping a frequency during presence of a burst Grant 4,633,510 - Suzuki , et al. December 30, 1 | 1986-12-30 |
Bidirectional communication system of a two-wire bus comprising an active terminator Grant 4,631,721 - Ono , et al. December 23, 1 | 1986-12-23 |
Signed document transmission system Grant 4,625,076 - Okamoto , et al. November 25, 1 | 1986-11-25 |
Switched capacitor circuit with high power supply projection ratio Grant 4,622,480 - Uchimura , et al. November 11, 1 | 1986-11-11 |
Digital transmission system Grant 4,621,368 - Onoe , et al. November 4, 1 | 1986-11-04 |
Process for producing high-purity metal targets for LSI electrodes Grant 4,619,695 - Oikawa , et al. October 28, 1 | 1986-10-28 |
High density magnetic head Grant 4,618,901 - Hatakeyama , et al. October 21, 1 | 1986-10-21 |
Multi-level decision circuit Grant 4,602,374 - Nakamura , et al. July 22, 1 | 1986-07-22 |
Image data compression system Grant 4,602,383 - Ogawa , et al. July 22, 1 | 1986-07-22 |
Method and an apparatus for coding/decoding telewriting signals Grant 4,597,101 - Kishimoto , et al. June 24, 1 | 1986-06-24 |
Double-channel planar heterostructure semiconductor laser Grant 4,597,085 - Mito , et al. June 24, 1 | 1986-06-24 |
Digital data code conversion circuit for variable-word-length data code Grant 4,593,267 - Kuroda , et al. June 3, 1 | 1986-06-03 |
Interframe coding method and apparatus therefor Grant 4,591,909 - Kuroda , et al. May 27, 1 | 1986-05-27 |
Optical adhesive composition Grant 4,591,627 - Maruno , et al. May 27, 1 | 1986-05-27 |
Solar cells based on indium phosphide Grant 4,591,654 - Yamaguchi , et al. May 27, 1 | 1986-05-27 |
Position detecting system Grant 4,589,773 - Ido , et al. May 20, 1 | 1986-05-20 |
Method for the production of glass preform for optical fibers Grant 4,586,943 - Kyoto , et al. May 6, 1 | 1986-05-06 |
Electrode structure for a semiconductor devices Grant 4,587,547 - Amemiya , et al. May 6, 1 | 1986-05-06 |
Pipe laying apparatus Grant 4,576,515 - Morimoto , et al. March 18, 1 | 1986-03-18 |
Decoder of adaptive differential pulse code modulation Grant 4,574,383 - Irie , et al. March 4, 1 | 1986-03-04 |
Ultrasonic inspecting apparatus Grant 4,571,999 - Arita , et al. February 25, 1 | 1986-02-25 |
Composite concentration system Grant 4,571,721 - Yasui , et al. February 18, 1 | 1986-02-18 |
Speech recognition apparatus Grant 4,570,232 - Shikano February 11, 1 | 1986-02-11 |
Semiconductor device and manufacturing process thereof Grant 4,564,997 - Matsuo , et al. January 21, 1 | 1986-01-21 |
Photo electro transducer device Grant 4,565,928 - Yamamoto , et al. January 21, 1 | 1986-01-21 |
Information memory device with address multiplexing Grant 4,564,926 - Nikaido , et al. January 14, 1 | 1986-01-14 |
Thermal ink transfer printing system Grant 4,561,789 - Saito December 31, 1 | 1985-12-31 |
Cochannel interference measurement system Grant 4,561,114 - Kozono , et al. December 24, 1 | 1985-12-24 |
Semiconductor device and process for manufacturing the same Grant 4,557,036 - Kyuragi , et al. December 10, 1 | 1985-12-10 |
Optical image sensor apparatus with grouped photosensors connected in common Grant 4,556,800 - Ohta , et al. December 3, 1 | 1985-12-03 |
Adhesive filler apparatus Grant 4,555,295 - Orikasa , et al. November 26, 1 | 1985-11-26 |
Apparatus for and a method of repairing by filling with an adhesive Grant 4,555,286 - Orikasa , et al. November 26, 1 | 1985-11-26 |
Method and apparatus for gray level signal processing Grant 4,547,811 - Ochi , et al. October 15, 1 | 1985-10-15 |
Raw material supply device Grant 4,545,801 - Miyajiri , et al. October 8, 1 | 1985-10-08 |
Swinging actuators for use in magnetic disc type memory devices Grant 4,544,972 - Kogure , et al. October 1, 1 | 1985-10-01 |
System for resolving collision in local network Grant 4,543,574 - Takagi , et al. September 24, 1 | 1985-09-24 |
Monolithic integrated circuit device including AC negative feedback type high frequency amplifier circuit Grant 4,542,350 - Akazawa , et al. September 17, 1 | 1985-09-17 |
Video/audio simultaneous transmission system Grant 4,542,406 - Shimoyama , et al. September 17, 1 | 1985-09-17 |
Directivity diversity communication system with microstrip antenna Grant 4,538,153 - Taga August 27, 1 | 1985-08-27 |
Adaptive predictive processing system Grant 4,538,234 - Honda , et al. August 27, 1 | 1985-08-27 |
Buffer memory dispersion type video/audio transmission system Grant 4,538,176 - Nakajima , et al. August 27, 1 | 1985-08-27 |
Shorted junction type programmable read only memory semiconductor devices Grant 4,538,167 - Yoshino , et al. August 27, 1 | 1985-08-27 |
Microphone-array apparatus and method for extracting desired signal Grant 4,536,887 - Kaneda , et al. August 20, 1 | 1985-08-20 |
Method for manufacturing crystalline film Grant 4,534,820 - Mori , et al. August 13, 1 | 1985-08-13 |
Electron beam exposure system Grant 4,532,598 - Shibayama , et al. July 30, 1 | 1985-07-30 |
Magnetic recording member and process for manufacturing the same Grant 4,529,659 - Hoshino , et al. July 16, 1 | 1985-07-16 |
Process for producing optical glass product Grant 4,528,010 - Edahiro , et al. July 9, 1 | 1985-07-09 |
Single mode optical fibers Grant 4,525,027 - Okamoto , et al. June 25, 1 | 1985-06-25 |
Interference wave detection circuit for use in radio receiver Grant 4,525,868 - Kage , et al. June 25, 1 | 1985-06-25 |
Phase-locked loop using integrated switched filter Grant 4,524,333 - Iwata , et al. June 18, 1 | 1985-06-18 |
Optical switch Grant 4,521,069 - Ikeda June 4, 1 | 1985-06-04 |
Electrode and semiconductor device provided with the electrode Grant 4,521,794 - Murase , et al. June 4, 1 | 1985-06-04 |
Photodetecting device having Josephson junctions Grant 4,521,682 - Murakami , et al. June 4, 1 | 1985-06-04 |
Buffer memory dispersion type video/audio transmission system with spatially and timewise divided inter-office junction lines Grant 4,518,989 - Yabiki , et al. May 21, 1 | 1985-05-21 |
X-Ray lithography mask and method for fabricating the same Grant 4,515,876 - Yoshihara , et al. May 7, 1 | 1985-05-07 |
Cryptosystem Grant 4,514,592 - Miyaguchi April 30, 1 | 1985-04-30 |
Loudspeaking telephone system Grant 4,513,177 - Nishino , et al. April 23, 1 | 1985-04-23 |
Protective packaging assembly and method Grant 4,509,820 - Murata , et al. April 9, 1 | 1985-04-09 |
Cable pulling/feeding apparatus Grant 4,508,251 - Harada , et al. April 2, 1 | 1985-04-02 |
DC-DC Converter for remote power feeding Grant 4,507,721 - Yamano , et al. March 26, 1 | 1985-03-26 |
Pattern forming material and method for forming pattern therewith Grant 4,507,384 - Morita , et al. March 26, 1 | 1985-03-26 |
Chemical vapor deposition apparatus Grant 4,503,807 - Nakayama , et al. March 12, 1 | 1985-03-12 |
Consecutive identical digit suppression system in a digital communication system Grant 4,502,143 - Kato , et al. February 26, 1 | 1985-02-26 |
Radio interference detection device for use in a multi-channel access angle-modulation radio system Grant 4,498,195 - Ooi , et al. February 5, 1 | 1985-02-05 |
Switched capacitor filter having a reduced capacitance Grant 4,498,063 - Makabe , et al. February 5, 1 | 1985-02-05 |
Drawing of polyoxymethylene using dielectric heating Grant 4,497,759 - Nakagawa , et al. February 5, 1 | 1985-02-05 |
Plasma deposition method and apparatus Grant 4,492,620 - Matsuo , et al. January 8, 1 | 1985-01-08 |
Optical fiber cable and process for production thereof Grant 4,491,386 - Negishi , et al. January 1, 1 | 1985-01-01 |
Optical fiber alignment mechanism and connectors using the same Grant 4,490,007 - Murata December 25, 1 | 1984-12-25 |
Superconductive logic circuit Grant 4,482,821 - Houkawa , et al. November 13, 1 | 1984-11-13 |
Single-polarization single-mode optical fiber Grant 4,480,897 - Okamoto , et al. November 6, 1 | 1984-11-06 |
Echo canceller system Grant 4,480,156 - Takahashi , et al. October 30, 1 | 1984-10-30 |
Joining method to obtain elongated coated optical fiber Grant 4,475,935 - Tanaka , et al. October 9, 1 | 1984-10-09 |
Decoding apparatus for codes represented by code tree Grant 4,475,174 - Kanayama October 2, 1 | 1984-10-02 |
Current supply circuit Grant 4,465,967 - Tokunaga , et al. August 14, 1 | 1984-08-14 |
Heat-sensitive magnetic transfer element Grant 4,463,034 - Tokunaga , et al. July 31, 1 | 1984-07-31 |
Field effect transistor with combination Schottky-junction gate Grant 4,463,366 - Ishii , et al. July 31, 1 | 1984-07-31 |
Method of manufacturing insulating film and electric device utilizing the same Grant 4,460,417 - Murase , et al. July 17, 1 | 1984-07-17 |
Apparatus for heating heat-shrinkable tubes Grant 4,460,820 - Matsumoto , et al. July 17, 1 | 1984-07-17 |
Semiconductor memory devices Grant 4,460,998 - Yamada , et al. July 17, 1 | 1984-07-17 |
Method of patterning device regions by oxidizing patterned aluminum layer Grant 4,460,413 - Hirata , et al. July 17, 1 | 1984-07-17 |
Insulated gate type transistors Grant 4,458,261 - Omura July 3, 1 | 1984-07-03 |
Semiconductor memory device Grant 4,456,980 - Yamada , et al. June 26, 1 | 1984-06-26 |
Image sensor Grant 4,453,187 - Komiya , et al. June 5, 1 | 1984-06-05 |
Ion shower apparatus Grant 4,450,031 - Ono , et al. May 22, 1 | 1984-05-22 |
Semiconductor memory device Grant 4,449,142 - Tsuchiya , et al. May 15, 1 | 1984-05-15 |
Method for the manufacture of semiconductor device using refractory metal in a lift-off step Grant 4,448,800 - Ehara , et al. May 15, 1 | 1984-05-15 |
Subscriber line testing system Grant 4,447,679 - Kojima , et al. May 8, 1 | 1984-05-08 |
Method and apparatus of deflection calibration for a charged particle beam exposure apparatus Grant 4,443,703 - Shimazu , et al. April 17, 1 | 1984-04-17 |
Electron beam control system Grant 4,437,008 - Matsuda , et al. March 13, 1 | 1984-03-13 |
Selective call receiver having timed power supply Grant 4,437,095 - Akahori , et al. March 13, 1 | 1984-03-13 |
Small-sized video or audio pickup device having a beam deflector disposed within a focusing device support Grant 4,437,177 - Watabe , et al. March 13, 1 | 1984-03-13 |
Method of pattern formation Grant 4,434,224 - Yoshikawa , et al. February 28, 1 | 1984-02-28 |
Electrophotographic photoreceptor and preparation thereof Grant 4,426,434 - Arishima , et al. January 17, 1 | 1984-01-17 |
Method for forming micropattern Grant 4,426,247 - Tamamura , et al. January 17, 1 | 1984-01-17 |
Semiconductor laser with two active layers Grant 4,426,704 - Nagai , et al. January 17, 1 | 1984-01-17 |
Method of making glass waveguide for optical circuit Grant 4,425,146 - Izawa , et al. January 10, 1 | 1984-01-10 |
Ferro fluidic seal Grant 4,424,974 - Mitsuya , et al. January 10, 1 | 1984-01-10 |
Method of producing rod-shaped base material for optical transmission fiber Grant 4,421,539 - Edahiro , et al. December 20, 1 | 1983-12-20 |
Semiconductor device Grant 4,419,685 - Sugawara , et al. December 6, 1 | 1983-12-06 |
Buffer circuits Grant 4,417,163 - Otsuki , et al. November 22, 1 | 1983-11-22 |
Semiconductor memory device test apparatus Grant 4,414,665 - Kimura , et al. November 8, 1 | 1983-11-08 |
Fabrication methods of doped silica glass and optical fiber preform by using the doped silica glass Grant 4,414,012 - Suto , et al. November 8, 1 | 1983-11-08 |
Process for producing optical fiber preform Grant 4,414,008 - Edahiro , et al. November 8, 1 | 1983-11-08 |
Method of fabrication of Josephson tunnel junction Grant 4,412,902 - Michikami , et al. November 1, 1 | 1983-11-01 |
Mechanical vibrator for light beam chopper Grant 4,413,179 - Matsuoka , et al. November 1, 1 | 1983-11-01 |
Digital to analog converter Grant 4,412,208 - Akazawa , et al. October 25, 1 | 1983-10-25 |
Method and equipment for processing gray scale facsimile signal Grant 4,409,623 - Kobayashi , et al. October 11, 1 | 1983-10-11 |
Method of manufacturing semiconductor integrated circuit devices Grant 4,408,386 - Takayashiki , et al. October 11, 1 | 1983-10-11 |
Process for producing high-purity silica glass Grant 4,406,680 - Edahiro , et al. September 27, 1 | 1983-09-27 |
Process for preparing glass preform for optical fiber Grant 4,402,720 - Edahiro , et al. September 6, 1 | 1983-09-06 |
Plasma deposition apparatus Grant 4,401,054 - Matsuo , et al. August 30, 1 | 1983-08-30 |
Semiconductor memory test pattern generating apparatus Grant 4,402,081 - Ichimiya , et al. August 30, 1 | 1983-08-30 |
Electron lens equipment Grant 4,400,622 - Takeuchi , et al. August 23, 1 | 1983-08-23 |
Integrated circuit having spare parts activated by a high-to-low adjustable resistance device Grant 4,399,372 - Tanimoto , et al. August 16, 1 | 1983-08-16 |
Method of manufacturing semiconductor device provided with complementary semiconductor elements Grant 4,393,573 - Kato , et al. July 19, 1 | 1983-07-19 |
Semiconductor devices and method of manufacturing the same Grant 4,393,577 - Imai July 19, 1 | 1983-07-19 |
Sound synthesizer Grant 4,393,272 - Itakura , et al. July 12, 1 | 1983-07-12 |
Electronic key telephone set circuit for permitting dialing during failure of commercial power supplied to the set Grant 4,392,024 - Shinoi , et al. July 5, 1 | 1983-07-05 |
Subscriber line testing system Grant 4,392,026 - Kojima , et al. July 5, 1 | 1983-07-05 |
Process for producing a glass fiber for light transmission Grant 4,388,093 - Kimura , et al. June 14, 1 | 1983-06-14 |
Surface acoustic wave resonator Grant 4,387,355 - Uno , et al. June 7, 1 | 1983-06-07 |
Current supplying circuit with shorted-to-ground fault detecting function Grant 4,385,336 - Takeshita , et al. May 24, 1 | 1983-05-24 |
Fabrication of a low-loss plastic optical fiber Grant 4,381,269 - Kaino , et al. April 26, 1 | 1983-04-26 |
Signalling system and signal control equipment for multi-address calling Grant 4,379,946 - Mizuno , et al. April 12, 1 | 1983-04-12 |
Method of making semiconductor devices Grant 4,379,001 - Sakai , et al. April 5, 1 | 1983-04-05 |
Laser beam-recording media and method for manufacturing the same Grant 4,373,004 - Asano , et al. February 8, 1 | 1983-02-08 |
Single mode optical fibers Grant 4,372,647 - Okamoto , et al. February 8, 1 | 1983-02-08 |
Time division multiplex communication system Grant 4,370,744 - Hirano , et al. January 25, 1 | 1983-01-25 |
Semiconductor memory test equipment Grant 4,369,511 - Kimura , et al. January 18, 1 | 1983-01-18 |
Optoelectronic switches Grant 4,368,385 - Kanbe , et al. January 11, 1 | 1983-01-11 |
Driving equipment for multi-gradation level reproduction Grant 4,368,491 - Saito January 11, 1 | 1983-01-11 |
Method of fabricating multi-mode optical fiber preforms Grant 4,367,085 - Suto , et al. January 4, 1 | 1983-01-04 |
Optical switch Grant 4,365,862 - Terui , et al. December 28, 1 | 1982-12-28 |
Switched-capacitor filter Grant 4,366,456 - Ueno , et al. December 28, 1 | 1982-12-28 |
Method for coating optical fibers with thermoplastic resin Grant 4,351,657 - Kimura , et al. September 28, 1 | 1982-09-28 |
Doping from a photoresist layer Grant 4,350,541 - Mizushima , et al. September 21, 1 | 1982-09-21 |
Fusion splicing of multi-layer optical fiber bundles Grant 4,350,867 - Kinoshita , et al. September 21, 1 | 1982-09-21 |
Key telephone system Grant 4,347,409 - Ogawa , et al. August 31, 1 | 1982-08-31 |
Method and apparatus for eliminating double bit errosion in a differential phase shift keying system Grant 4,346,472 - Ohkoshi , et al. August 24, 1 | 1982-08-24 |
Fabrication method of single-mode optical fiber preforms Grant 4,345,928 - Kawachi , et al. August 24, 1 | 1982-08-24 |
Light weight battery Grant 4,343,871 - Tobishima , et al. August 10, 1 | 1982-08-10 |
Time division switching circuit with time slot interchange Grant 4,344,170 - Arita August 10, 1 | 1982-08-10 |
Magnetic recording and reproduction of digital information Grant 4,343,023 - Nishimura , et al. August 3, 1 | 1982-08-03 |
Photo-electric converting apparatus Grant 4,341,954 - Mizushima , et al. July 27, 1 | 1982-07-27 |
D/A Conversion system with compensation circuit Grant 4,340,882 - Maio , et al. July 20, 1 | 1982-07-20 |
Clock recovery circuit for burst communications systems Grant 4,339,817 - Hata , et al. July 13, 1 | 1982-07-13 |
Process for producing a glass preform for optical fiber Grant 4,338,111 - Edahiro , et al. July 6, 1 | 1982-07-06 |
Ink liquid supply system for ink jet system printer Grant 4,337,469 - Takano , et al. June 29, 1 | 1982-06-29 |
Method for producing multi-component glass fiber preform Grant 4,336,049 - Takahashi , et al. June 22, 1 | 1982-06-22 |
Coated glass fibers for optical transmission Grant 4,334,733 - Takeshima , et al. June 15, 1 | 1982-06-15 |
Switched-capacitor filter Grant 4,333,064 - Kato , et al. June 1, 1 | 1982-06-01 |
Blazed diffraction grating structures and method of manufacturing the same Grant 4,330,175 - Fujii , et al. May 18, 1 | 1982-05-18 |
Logic circuit with asymmetrical quantum interferometric circuits Grant 4,330,841 - Yamada , et al. May 18, 1 | 1982-05-18 |
Recording paper capable of recording images in two colors Grant 4,328,977 - Ozawa , et al. May 11, 1 | 1982-05-11 |
Adaptive equalization system for nonlinearities Grant 4,329,655 - Nojima , et al. May 11, 1 | 1982-05-11 |
Voice band multiplex transmission system Grant 4,328,579 - Hashimoto , et al. May 4, 1 | 1982-05-04 |
Method of manufacturing a FET device disposed in a compound s/c layer on a semi-insulating substrate Grant 4,327,475 - Asai , et al. May 4, 1 | 1982-05-04 |
Digital multi-frequency receiver Grant 4,328,398 - Kawaguchi , et al. May 4, 1 | 1982-05-04 |
Heat pipe cooling arrangement for integrated circuit chips Grant 4,327,399 - Sasaki , et al. April 27, 1 | 1982-04-27 |
Space diversity reception system having compensation means of multipath effect Grant 4,326,294 - Okamoto , et al. April 20, 1 | 1982-04-20 |
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