| Patent | Date |
|---|
Signal Processing Apparatus, Signal Processing Method, And Program
App 20220303003 - HORIKOSHI; Kengo ; et al. | 2022-09-22 |
Optical transmission system, optical receiving apparatus and optical transmission method
Grant 11,444,699 - Masuda , et al. September 13, 2 | 2022-09-13 |
Wavelength Dispersion Compensation Apparatus, Optical Receiving Apparatus, Wavelength Dispersion Compensation Method And Computer Program
App 20220224415 - NAKAMURA; Masanori ; et al. | 2022-07-14 |
Optical receiving apparatus and waveform distortion compensation method
Grant 11,381,317 - Okamoto , et al. July 5, 2 | 2022-07-05 |
Optical transmission system, optical transmitting apparatus, and optical receiving apparatus
Grant 11,349,572 - Nakamura , et al. May 31, 2 | 2022-05-31 |
State estimating device and communication system
Grant 11,342,990 - Kuwabara , et al. May 24, 2 | 2022-05-24 |
Wavelength Dispersion Amount Estimation Apparatus
App 20220158731 - HORIKOSHI; Kengo ; et al. | 2022-05-19 |
Musical Tone Generating Device And Control Method Of Musical Tone Generating Device
App 20220130361 - OKAMOTO; Seiji ; et al. | 2022-04-28 |
Wavelength dispersion compensation apparatus, wavelength dispersion compensation method, and optical receiving apparatus
Grant 11,316,588 - Minoguchi , et al. April 26, 2 | 2022-04-26 |
Digital Signal Processing Device And Control Method Of Digital Signal Processing Device
App 20220114085 - OKAMOTO; Seiji ; et al. | 2022-04-14 |
Communication system, optical transmitting apparatus, and optical receiving apparatus
Grant 11,303,359 - Okamoto , et al. April 12, 2 | 2022-04-12 |
Digital Signal Processing Device And Control Method Of Digital Signal Processing Device
App 20220100458 - OKAMOTO; Seiji | 2022-03-31 |
Optical Receiving Apparatus And Waveform Distortion Compensation Method
App 20220094440 - OKAMOTO; Seiji ; et al. | 2022-03-24 |
Digital coherent receiver and digital coherent receiving method
Grant 11,283,528 - Masuda , et al. March 22, 2 | 2022-03-22 |
Optical Transmission System, Optical Receiving Apparatus And Optical Transmission Method
App 20220069921 - MASUDA; Akira ; et al. | 2022-03-03 |
Receiving apparatus and receiving method
Grant 11,258,512 - Okamoto , et al. February 22, 2 | 2022-02-22 |
Optical transmission control method and optical transmission system
Grant 11,245,487 - Hamaoka , et al. February 8, 2 | 2022-02-08 |
Wavelength Dispersion Compensation Apparatus, Wavelength Dispersion Compensation Method, And Optical Receiving Apparatus
App 20220038180 - MINOGUCHI; Kyo ; et al. | 2022-02-03 |
Communication System, Optical Transmitting Apparatus, And Optical Receiving Apparatus
App 20210384983 - OKAMOTO; Seiji ; et al. | 2021-12-09 |
Optical Transmission System
App 20210367670 - YAMAMOTO; Shuto ; et al. | 2021-11-25 |
Optical Transmission System, Optical Transmitting Apparatus, And Optical Receiving Apparatus
App 20210367675 - NAKAMURA; Masanori ; et al. | 2021-11-25 |
Optical transmission system and communication condition selection method
Grant 11,165,497 - Inuzuka , et al. November 2, 2 | 2021-11-02 |
Optical Transmission System And Transmission Mode Selecting Method
App 20210314067 - Inui; Tetsuro ; et al. | 2021-10-07 |
Digital Coherent Receiver And Digital Coherent Receiving Method
App 20210218476 - MASUDA; Akira ; et al. | 2021-07-15 |
Receiving Apparatus And Receiving Method
App 20210218471 - OKAMOTO; Seiji ; et al. | 2021-07-15 |
Optical Transmission Control Method And Optical Transmission System
App 20210211218 - HAMAOKA; Fukutaro ; et al. | 2021-07-08 |
Signal Processing Apparatus And Signal Processing Method
App 20210203363 - OKAMOTO; Seiji ; et al. | 2021-07-01 |
Keyboard device for electronic keyboard instrument
Grant 11,037,542 - Okamoto June 15, 2 | 2021-06-15 |
Optical Transmission System And Communication Condition Selection Method
App 20210028857 - INUZUKA; Fumikazu ; et al. | 2021-01-28 |
State Estimating Device And Communication System
App 20210013963 - KUWABARA; Seiki ; et al. | 2021-01-14 |
Signal-to-noise ratio estimation method, optical transmission apparatus, and optical transmission system
Grant 10,841,006 - Okamoto , et al. November 17, 2 | 2020-11-17 |
Optical receiver, optical reception method, and optical communication system
Grant 10,826,620 - Hamaoka , et al. November 3, 2 | 2020-11-03 |
Keyboard Device For Electronic Keyboard Instrument
App 20200265818 - Okamoto; Seiji | 2020-08-20 |
Optical transmitter, optical receiver, optical data transmission system, optical transmission method, and optical reception method
Grant 10,651,944 - Horikoshi , et al. | 2020-05-12 |
Optical Receiver, Optical Reception Method, And Optical Communication System
App 20200052793 - HAMAOKA; Fukutaro ; et al. | 2020-02-13 |
Signal-to-noise Ratio Estimation Method, Optical Transmission Apparatus, And Optical Transmission System
App 20200028586 - OKAMOTO; Seiji ; et al. | 2020-01-23 |
Known signal detection method
Grant 10,523,335 - Onuma , et al. Dec | 2019-12-31 |
Optical Transmitter, Optical Receiver, Optical Data Transmission System, Optical Transmission Method, And Optical Reception Meth
App 20190273560 - HORIKOSHI; Kengo ; et al. | 2019-09-05 |
Coherent optical reception device
Grant 10,389,452 - Horikoshi , et al. A | 2019-08-20 |
Known Signal Detection Method
App 20190165868 - ONUMA; Yasuharu ; et al. | 2019-05-30 |
Terminal device, diagnosis system and information output method for outputting information comprising an instruction regarding how to record a sound from a target apparatus
Grant 10,230,853 - Okamoto , et al. | 2019-03-12 |
Coherent Optical Reception Device
App 20190013876 - HORIKOSHI; Kengo ; et al. | 2019-01-10 |
Optical signal transmission apparatus and optical signal transmission method
Grant 10,171,173 - Okamoto , et al. J | 2019-01-01 |
Optical transmission system, phase compensation method, and optical reception apparatus
Grant 10,038,507 - Yoshida , et al. July 31, 2 | 2018-07-31 |
Terminal device and information output method
Grant 9,942,652 - Okamoto , et al. April 10, 2 | 2018-04-10 |
Terminal Device And Information Output Method
App 20170201824 - OKAMOTO; Seiji ; et al. | 2017-07-13 |
Terminal Device, Diagnosis System And Information Output Method
App 20170201633 - OKAMOTO; Seiji ; et al. | 2017-07-13 |
Coherent communication system, communication method, and transmission method
Grant 9,621,299 - Ishihara , et al. April 11, 2 | 2017-04-11 |
Optical Signal Transmission Apparatus And Optical Signal Transmission Method
App 20170070296 - OKAMOTO; Seiji ; et al. | 2017-03-09 |
Switch circuit, analog-to-digital converter, and integrated circuit
Grant 9,444,483 - Okamoto September 13, 2 | 2016-09-13 |
Switch Circuit, Analog-to-digital Converter, And Integrated Circuit
App 20160226506 - OKAMOTO; Seiji | 2016-08-04 |
Optical Transmission System, Phase Compensation Method, And Optical Reception Apparatus
App 20150372766 - YOSHIDA; Mitsuteru ; et al. | 2015-12-24 |
Coherent Communication System, Communication Method, And Transmission Method
App 20150341138 - ISHIHARA; Koichi ; et al. | 2015-11-26 |
Electronic keyboard instrument
Grant 9,135,903 - Okamoto September 15, 2 | 2015-09-15 |
Electronic Keyboard Instrument
App 20150128791 - Okamoto; Seiji | 2015-05-14 |
Semiconductor Storage Device And Method Of Manufacturing Thereof
App 20110122007 - OKAMOTO; Seiji | 2011-05-26 |
Feces collection container
Grant 7,908,935 - Hasegawa , et al. March 22, 2 | 2011-03-22 |
Feces Collection Container
App 20100000341 - Hasegawa; Mitsuru ; et al. | 2010-01-07 |
Resonance apparatus, resonance method and computer program for resonance processing
Grant 6,762,357 - Washiyama , et al. July 13, 2 | 2004-07-13 |
Resonance apparatus, resonance method and computer program for resonance processing
App 20020166441 - Washiyama, Yutaka ; et al. | 2002-11-14 |
Waste water treatment method and apparatus
App 20020144940 - Yamasaki, Kazuyuki ; et al. | 2002-10-10 |
System for producing ultrapure water having a TOC density of no more than 0.5 ppb
Grant 6,177,005 - Yamasaki , et al. January 23, 2 | 2001-01-23 |
Band-selectable phase-locked loop
Grant 5,923,196 - Okamoto July 13, 1 | 1999-07-13 |
Ultrapure water production system having pretreatment system for performing both anaerobic and aerobic organism treatments
Grant 5,788,838 - Yamasaki , et al. August 4, 1 | 1998-08-04 |
Linear type digital-to-analog converter and driving method therefor
Grant 5,767,801 - Okamoto June 16, 1 | 1998-06-16 |
Musical tone control apparatus for filter processing a musical tone waveform ONLY in a transient band between a pass-band and a stop-band
Grant 5,691,496 - Suzuki , et al. November 25, 1 | 1997-11-25 |
Multipurpose analog front-end circuit
Grant 5,379,294 - Ohtake , et al. January 3, 1 | 1995-01-03 |
MOS operational amplifier circuit
Grant 5,289,058 - Okamoto February 22, 1 | 1994-02-22 |
Liquid crystal display with small impedance orienting film
Grant 4,494,824 - Nakamura , et al. January 22, 1 | 1985-01-22 |
| 