Nippon Gakki Seizo Kabushiki Kaisha
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nippon Gakki Seizo Kabushiki Kaisha.The latest application filed is for "video display control system for animation pattern image".
Company Profile
0.200.0
Trademarks
- Nippon Gakki Seizo Kabushiki Kaisha - Hamamatsu JP
- Nippon Gakki Seizo Kabushiki Kaisha - Hamatsu JP
- Nippon Gakki Seizo Kabushiki Kaisha - JP JP
- Nippon Gakki Seizo Kabushiki Kaisha - Shizuoka JP
- Nippon Gakki Seizo Kabushiki Kaisha - both of JP
- Nippon Gakki Seizo Kabushiki Kaisha - Hamamtsu JP
- Nippon Gakki Seizo Kabushiki Kaisha - Hammatsu JP
- Nippon Gakki Seizo Kabushiki Kaisha - Tokyo JP
Trademarks
Patent Activity
| Patent | Date |
|---|---|
| Video display control system for animation pattern image Grant 5,416,497 - Nishi , et al. May 16, 1 | 1995-05-16 |
| Electronic musical keyboard instruments with variable touch sensitivity Grant 5,027,690 - Wachi , et al. July 2, 1 | 1991-07-02 |
| Electronic wind instrument Grant D310,679 - Kira September 18, 1 | 1990-09-18 |
| Non-contact type pattern sensor with variable clearance compensation Grant 4,944,028 - Iijima , et al. July 24, 1 | 1990-07-24 |
| Method of filling polygonal region in video display system Grant 4,914,729 - Omori , et al. April 3, 1 | 1990-04-03 |
| Sound bar electronic musical instrument Grant 4,903,563 - Mizuguchi February 27, 1 | 1990-02-27 |
| Video display control system for moving display images Grant 4,897,636 - Nishi , et al. January 30, 1 | 1990-01-30 |
| Electronic keyboard percussion instrument Grant 4,892,023 - Takeuchi , et al. January 9, 1 | 1990-01-09 |
| Video display control system for animation pattern image Grant 4,864,289 - Nishi , et al. September 5, 1 | 1989-09-05 |
| Disc player Grant 4,855,990 - Akiyama August 8, 1 | 1989-08-08 |
| Display controller Grant 4,835,526 - Ishii , et al. May 30, 1 | 1989-05-30 |
| Rotation speed detection circuit in a video disc playback device for detecting a state in which the rotation speed is double a normal speed Grant 4,823,203 - Narusawa April 18, 1 | 1989-04-18 |
| Video display processor Grant 4,812,828 - Nishi , et al. March 14, 1 | 1989-03-14 |
| Metal gasket Grant 4,810,591 - Sakai March 7, 1 | 1989-03-07 |
| Overlapped magnetoresistive displacement detecting transducers having closely spaced longitudinal centers Grant 4,806,860 - Iijima , et al. February 21, 1 | 1989-02-21 |
| Video display control system Grant 4,804,948 - Nishi , et al. February 14, 1 | 1989-02-14 |
| Electronic musical instrument Grant RE32,862 - Wachi February 14, 1 | 1989-02-14 |
| Electronic drum with angle adjustment Grant 4,800,795 - Yamashita January 31, 1 | 1989-01-31 |
| Sample hold circuit Grant 4,801,823 - Yokoyama January 31, 1 | 1989-01-31 |
| Disc clamping device for a disc cartridge player Grant 4,802,158 - Ogusu January 31, 1 | 1989-01-31 |
| Electronic musical instruments Grant RE32,838 - Suzuki January 24, 1 | 1989-01-24 |
| Vertical synchronizing signal detection circuit Grant 4,792,852 - Narusawa December 20, 1 | 1988-12-20 |
| Tone Generator having a variable number of channels with a variable number of operating units Grant 4,788,896 - Uchiyama , et al. December 6, 1 | 1988-12-06 |
| Temperature compensation circuit for a delay circuit utilized in an FM detector Grant 4,789,976 - Fujishima December 6, 1 | 1988-12-06 |
| Snare mechanism for a drum Grant 4,787,286 - Okumura November 29, 1 | 1988-11-29 |
| Polytonal automatic accompaniment apparatus Grant 4,785,703 - Ichiki November 22, 1 | 1988-11-22 |
| Tone signal generation device Grant 4,785,702 - Katoh November 22, 1 | 1988-11-22 |
| Tone signal generation device of sampling type Grant 4,785,707 - Suzuki November 22, 1 | 1988-11-22 |
| Displacement detector for an encoder Grant 4,782,329 - Iijima , et al. November 1, 1 | 1988-11-01 |
| Musical tone generating apparatus Grant 4,781,096 - Suzuki , et al. November 1, 1 | 1988-11-01 |
| Musical quiz apparatus Grant 4,781,099 - Koike November 1, 1 | 1988-11-01 |
| Electronic musical instrument of full-wave readout system Grant 4,779,505 - Suzuki October 25, 1 | 1988-10-25 |
| Display control system Grant 4,779,083 - Ishii , et al. October 18, 1 | 1988-10-18 |
| Clad material for ornamental applications and a process for producing the same Grant 4,777,098 - Takamura , et al. October 11, 1 | 1988-10-11 |
| Automatic performance apparatus for facilitating editing of prerecorded data Grant 4,768,413 - Fujimori September 6, 1 | 1988-09-06 |
| Electronic musical instrument Grant 4,763,553 - Nagai , et al. * August 16, 1 | 1988-08-16 |
| Servo circuit for an information recording and/or reproducing apparatus Grant 4,764,860 - Takao August 16, 1 | 1988-08-16 |
| Tremolo unit mechanism for electric guitar Grant 4,763,555 - Minakuchi , et al. August 16, 1 | 1988-08-16 |
| Display controller Grant 4,760,387 - Ishii , et al. July 26, 1 | 1988-07-26 |
| Tone signal generation device for an electronic musical instrument Grant 4,754,679 - Suzuki July 5, 1 | 1988-07-05 |
| Display controller for displaying a cursor on either of a CRT display device or a liquid crystal display device Grant 4,751,502 - Ishii , et al. June 14, 1 | 1988-06-14 |
| Electronic musical instrument with automatic rhythm generating device Grant 4,748,885 - Sato June 7, 1 | 1988-06-07 |
| String protector for a racket Grant 4,744,562 - Awano May 17, 1 | 1988-05-17 |
| Method of manufacturing wire harness by using nipped connector and apparatus therefor Grant 4,742,612 - Dokan , et al. May 10, 1 | 1988-05-10 |
| CMOS integrated circuit for signal delay Grant 4,742,254 - Tomisawa May 3, 1 | 1988-05-03 |
| Method for producing an iron golf club head Grant 4,740,345 - Nagasaki , et al. April 26, 1 | 1988-04-26 |
| Musical tone producing device of waveshape memory readout type Grant 4,738,179 - Hideo April 19, 1 | 1988-04-19 |
| Racket frame having particularly positioned grip Grant 4,736,949 - Muroi April 12, 1 | 1988-04-12 |
| Optical sensor for sensing displacement speed or displacement of a moveable element in musical instrument Grant 4,736,662 - Yamamoto April 12, 1 | 1988-04-12 |
| Video display controller Grant 4,737,772 - Nishi , et al. April 12, 1 | 1988-04-12 |
| Video display control system Grant 4,731,742 - Nishi , et al. March 15, 1 | 1988-03-15 |
| Reverberation tone generating apparatus Grant 4,731,835 - Futamase , et al. March 15, 1 | 1988-03-15 |
| Video data processing circuit employing plural parallel-to-serial converters and look-up tables Grant 4,727,423 - Kaneko , et al. February 23, 1 | 1988-02-23 |
| Keyboard musical instruments with transpositional function Grant 4,724,736 - Isozaki February 16, 1 | 1988-02-16 |
| Electronic stringed instrument Grant 4,723,468 - Takabayashi , et al. February 9, 1 | 1988-02-09 |
| Keyboard device Grant 4,723,471 - Sugimoto February 9, 1 | 1988-02-09 |
| Gain-controlled amplifier Grant 4,724,398 - Yokoyama February 9, 1 | 1988-02-09 |
| Tone signal generation device with interpolation of sample points Grant 4,719,833 - Katoh , et al. January 19, 1 | 1988-01-19 |
| Disc magazine case Grant D293,507 - Ogusu January 5, 1 | 1988-01-05 |
| Method for producing a wood-type golf club head Grant 4,714,577 - Nagamoto , et al. December 22, 1 | 1987-12-22 |
| Automatic rhythm apparatus with tone level dependent timbres Grant 4,713,996 - Oguri December 22, 1 | 1987-12-22 |
| Fractional range selectable musical tone generating apparatus Grant 4,711,148 - Takeda , et al. December 8, 1 | 1987-12-08 |
| Control desk for use in controlling an industrial robot Grant D292,956 - Inoue , et al. December 1, 1 | 1987-12-01 |
| Method of producing semiconductor integrated circuit having parasitic channel stopper region Grant 4,710,265 - Hotta December 1, 1 | 1987-12-01 |
| Electronic musical instrument equipped with memorized randomly modifiable accompaniment patterns Grant 4,708,046 - Kozuki November 24, 1 | 1987-11-24 |
| Data processing circuit for digital audio system Grant 4,707,805 - Narusawa , et al. November 17, 1 | 1987-11-17 |
| Tone signal generation device Grant 4,706,537 - Oguri November 17, 1 | 1987-11-17 |
| Electronic musical instrument with automatic musical accompaniment playing system Grant 4,706,538 - Yoshida November 17, 1 | 1987-11-17 |
| Reverberation imparting device Grant 4,706,291 - Kakubo , et al. November 10, 1 | 1987-11-10 |
| Acoustic tone inhibiting means for keyboard musical instrument Grant 4,704,931 - Nagai , et al. November 10, 1 | 1987-11-10 |
| Apparatus for and method of producing automatic music accompaniment from stored accompaniment segments in an electronic musical instrument Grant 4,704,933 - Kurakake November 10, 1 | 1987-11-10 |
| Key depression indicating device for electronic musical instrument Grant 4,703,681 - Okamoto November 3, 1 | 1987-11-03 |
| Truncate prioritization system for multi channel electronic music generator Grant 4,703,680 - Wachi , et al. November 3, 1 | 1987-11-03 |
| Archery string Grant 4,702,067 - Izuta October 27, 1 | 1987-10-27 |
| Tone signal processing device Grant 4,701,956 - Katoh October 20, 1 | 1987-10-20 |
| Automatic musical accompaniment playing system Grant 4,699,039 - Oguri , et al. October 13, 1 | 1987-10-13 |
| Racket and weight attachment Grant 4,697,811 - Muroi October 6, 1 | 1987-10-06 |
| Optical type information reproducing device Grant 4,698,797 - Komatsu October 6, 1 | 1987-10-06 |
| Electronic musical instrument Grant 4,696,214 - Ichiki September 29, 1 | 1987-09-29 |
| Disc automatically setting device of a disc player Grant 4,697,259 - Takanashi September 29, 1 | 1987-09-29 |
| Archery bow handle riser Grant 4,693,230 - Sugouchi September 15, 1 | 1987-09-15 |
| Disc case Grant 4,694,448 - Tamaru , et al. September 15, 1 | 1987-09-15 |
| Data transmission system Grant 4,694,293 - Sugiyama , et al. September 15, 1 | 1987-09-15 |
| Headphone Grant D291,198 - Bellini August 4, 1 | 1987-08-04 |
| Video display controller Grant 4,684,942 - Nishi , et al. August 4, 1 | 1987-08-04 |
| Subcode signal reading circuit in an optical type disc player Grant 4,682,317 - Tomisawa July 21, 1 | 1987-07-21 |
| Electronic drum Grant 4,679,479 - Koyamato July 14, 1 | 1987-07-14 |
| Disc playback device Grant 4,679,182 - Kamoshita , et al. July 7, 1 | 1987-07-07 |
| Electronic musical instrument having a touch responsive control function Grant 4,674,382 - Yorihisa June 23, 1 | 1987-06-23 |
| Electronic musical instrument performing automatic accompaniment on programmable memorized pattern Grant 4,674,383 - Suzuki June 23, 1 | 1987-06-23 |
| Housing structure of keyboard musical instrument Grant 4,674,385 - Bellini June 23, 1 | 1987-06-23 |
| Waveshape memory for an electronic musical instrument Grant 4,672,875 - Suzuki June 16, 1 | 1987-06-16 |
| Clock signal reproducing circuit for a player reproducing information of a disc Grant 4,672,597 - Yamazaki June 9, 1 | 1987-06-09 |
| Keyboard switch apparatus for electronic musical instrument Grant 4,668,843 - Watanabe , et al. May 26, 1 | 1987-05-26 |
| Disc case Grant 4,669,078 - Ogusu May 26, 1 | 1987-05-26 |
| Video display processor Grant 4,660,070 - Nishi , et al. April 21, 1 | 1987-04-21 |
| Electronic keyboard musical instrument Grant D289,412 - Bellini April 21, 1 | 1987-04-21 |
| Electronic keyboard musical instrument Grant D289,411 - Bellini April 21, 1 | 1987-04-21 |
| Electronic musical instrument with keyboard and cover Grant 4,656,913 - Yoshikawa April 14, 1 | 1987-04-14 |
| Pedal keyboard for electronic musical instrument Grant 4,653,378 - Watanabe , et al. March 31, 1 | 1987-03-31 |
| Device for forming a simulated stereophonic sound field Grant 4,653,096 - Yokoyama March 24, 1 | 1987-03-24 |
| Tuning apparatus for stringed musical instrument Grant 4,649,789 - Wadatsu March 17, 1 | 1987-03-17 |
| Sound bar for percussive musical instruments and a method for producing same Grant 4,649,791 - Sawada , et al. March 17, 1 | 1987-03-17 |
| Electronic musical instrument Grant 4,649,786 - Niinomi , et al. March 17, 1 | 1987-03-17 |
| Method of producing a golf club head Grant 4,650,626 - Kurokawa March 17, 1 | 1987-03-17 |
| Data input apparatus Grant 4,646,609 - Teruo , et al. March 3, 1 | 1987-03-03 |
| Musical tone signal generating apparatus employing sampling of harmonic coefficients Grant 4,646,612 - Suzuki March 3, 1 | 1987-03-03 |
| Data error detection and correction circuit Grant 4,646,303 - Narusawa , et al. February 24, 1 | 1987-02-24 |
| Shutter plate control device in a disc playback device Grant 4,646,285 - Ogusu , et al. February 24, 1 | 1987-02-24 |
| Electronic musical instrument Grant 4,643,066 - Oya February 17, 1 | 1987-02-17 |
| Upright piano Grant 4,641,565 - Tachida , et al. February 10, 1 | 1987-02-10 |
| Counter circuit operable in synchronism with frame or digital data signal Grant 4,641,326 - Tomisawa February 3, 1 | 1987-02-03 |
| Resin-treated woody material Grant 4,637,954 - Ohsumi January 20, 1 | 1987-01-20 |
| Electronic musical instrument having cover with operation panel Grant 4,635,521 - Bellini January 13, 1 | 1987-01-13 |
| Tone signal generation device for an electronic musical instrument Grant 4,633,749 - Fujimori , et al. January 6, 1 | 1987-01-06 |
| Video display controller Grant 4,635,048 - Nishi , et al. January 6, 1 | 1987-01-06 |
| Tone effect imparting device Grant 4,628,789 - Fujimori December 16, 1 | 1986-12-16 |
| Video display control system Grant 4,628,467 - Nishi , et al. December 9, 1 | 1986-12-09 |
| Disc reproducing apparatus Grant 4,627,037 - Tamaru , et al. December 2, 1 | 1986-12-02 |
| Headphone Grant D287,008 - Tragatschnig December 2, 1 | 1986-12-02 |
| Golf club head Grant 4,624,460 - Murase , et al. November 25, 1 | 1986-11-25 |
| Automatic accompaniment apparatus for electronic musical instrument Grant 4,619,176 - Isii October 28, 1 | 1986-10-28 |
| Method of manufacturing a semiconductor device including Schottky barrier diodes Grant 4,619,035 - Hotta , et al. October 28, 1 | 1986-10-28 |
| Touch control apparatus for electronic keyboard instrument Grant 4,615,252 - Yamauchi , et al. October 7, 1 | 1986-10-07 |
| Head for golf club Grant D285,954 - Hasegawa September 30, 1 | 1986-09-30 |
| Tone wave synthesizing apparatus Grant 4,611,522 - Hideo September 16, 1 | 1986-09-16 |
| Method for manufacturing an eyeglass-frame Grant 4,611,371 - Fujino , et al. September 16, 1 | 1986-09-16 |
| Band and the headphone utilizing the same Grant 4,609,786 - Omoto , et al. September 2, 1 | 1986-09-02 |
| Performance data processing apparatus Grant 4,602,544 - Yamada , et al. July 29, 1 | 1986-07-29 |
| Disc rotation servo control apparatus in a disc player Grant 4,603,412 - Yamazaki July 29, 1 | 1986-07-29 |
| Structure for mounting loudspeaker on electronic musical instrument Grant 4,601,361 - Nakada July 22, 1 | 1986-07-22 |
| Clock-signal reproducing circuit including voltage controlled oscillator Grant 4,594,703 - Tomisawa , et al. June 10, 1 | 1986-06-10 |
| Housing structure of keyboard musical instrument Grant 4,593,593 - Bellini June 10, 1 | 1986-06-10 |
| Automatic performing apparatus and data recording medium therefor Grant 4,587,878 - Nakada , et al. May 13, 1 | 1986-05-13 |
| Electronic musical instruments provided with reverberation tone generating apparatus Grant 4,586,417 - Kato , et al. May 6, 1 | 1986-05-06 |
| Tone waveshape generation device Grant 4,584,921 - Wachi April 29, 1 | 1986-04-29 |
| Electronic musical instrument Grant 4,584,922 - Kamiya April 29, 1 | 1986-04-29 |
| Process for producing a wood-type golf club head Grant 4,581,190 - Nagamoto , et al. April 8, 1 | 1986-04-08 |
| Method for producing a wood-type golf club head Grant 4,575,447 - Hariguchi March 11, 1 | 1986-03-11 |
| Musical tone generation device of waveshape memory type Grant 4,573,389 - Suzuki March 4, 1 | 1986-03-04 |
| Reverberation tone generating apparatus Grant 4,570,523 - Futamase , et al. February 18, 1 | 1986-02-18 |
| Modulation effect device for use in electronic musical instrument Grant 4,569,268 - Futamase , et al. February 11, 1 | 1986-02-11 |
| Electronic musical instrument controlling a tone waveshape by key scaling Grant 4,566,364 - Katoh January 28, 1 | 1986-01-28 |
| Digital electronic musical instrument of pitch synchronous sampling type Grant 4,561,337 - Wachi December 31, 1 | 1985-12-31 |
| Power amplifier Grant 4,560,946 - Yokoyama December 24, 1 | 1985-12-24 |
| Automatic focusing device in an optical type data reproducing apparatus Grant 4,561,080 - Yamazaki December 24, 1 | 1985-12-24 |
| Digital filter for an electronic musical instrument Grant 4,554,858 - Wachi , et al. November 26, 1 | 1985-11-26 |
| Electronic musical instrument capable of varying a tone synthesis operation algorithm Grant 4,554,857 - Nishimoto November 26, 1 | 1985-11-26 |
| Automatic rhythm performing apparatus Grant 4,554,854 - Kato November 26, 1 | 1985-11-26 |
| Electronic musical instrument with key touch detector and operator member Grant 4,552,051 - Takeuchi November 12, 1 | 1985-11-12 |
| Device for generating a variable control signal Grant 4,549,098 - Fushiki October 22, 1 | 1985-10-22 |
| Digital filter for an electronic musical instrument Grant 4,548,119 - Wachi , et al. October 22, 1 | 1985-10-22 |
| Wood-type golf club head Grant 4,545,580 - Tomita , et al. October 8, 1 | 1985-10-08 |
| Electronic musical instrument producing chord tones utilizing channel assignment Grant 4,543,869 - Kawashima , et al. October 1, 1 | 1985-10-01 |
| Electronic musical instrument of waveshape memory type with expression control Grant 4,539,884 - Aoki September 10, 1 | 1985-09-10 |
| Apparatus for printing out graphical patterns Grant 4,538,500 - Kozuki , et al. September 3, 1 | 1985-09-03 |
| Sound board assembly for an upright piano Grant 4,531,442 - Kaneko , et al. July 30, 1 | 1985-07-30 |
| Automatic rhythm performance device for electronic musical instruments Grant 4,526,079 - Oguri July 2, 1 | 1985-07-02 |
| Channel processor Grant RE31,931 - Tomisawa July 2, 1 | 1985-07-02 |
| Electronic musical instrument capable of performing natural slur effect Grant 4,524,668 - Tomisawa , et al. June 25, 1 | 1985-06-25 |
| Acoustic resistor in an electroacoustic transducer Grant 4,525,817 - Takuya June 25, 1 | 1985-06-25 |
| Dynamic MOS circuit block and static bipolar transistor circuit block integrated circuit device Grant 4,525,639 - Nonaka June 25, 1 | 1985-06-25 |
| Pulse-width modulation circuit with carrier signal frequency control Grant 4,524,335 - Yokoyama June 18, 1 | 1985-06-18 |
| Tone waveshape generation device Grant 4,520,708 - Wachi June 4, 1 | 1985-06-04 |
| Output jack for electric guitar Grant 4,519,287 - Naruse May 28, 1 | 1985-05-28 |
| Protection circuit for switching power amplifier Grant 4,509,101 - Kenji April 2, 1 | 1985-04-02 |
| Tone pattern identifying system Grant 4,506,580 - Koike March 26, 1 | 1985-03-26 |
| Method of processing data for musical score display system Grant 4,506,587 - Tanaka March 26, 1 | 1985-03-26 |
| Pickup device for stringed musical instrument Grant 4,501,186 - Ikuma February 26, 1 | 1985-02-26 |
| Electronic musical instruments having automatic ensemble function Grant 4,499,808 - Aoki February 19, 1 | 1985-02-19 |
| Vibration system of pickup cartridge of record player Grant 4,495,611 - Suzuki January 22, 1 | 1985-01-22 |
| Eyeglass-frame Grant 4,494,832 - Takamura , et al. January 22, 1 | 1985-01-22 |
| Timbre modulation circuit for electronic musical instruments Grant 4,492,142 - Oya , et al. January 8, 1 | 1985-01-08 |
| Electronic musical instruments having supplemental tone generating function Grant 4,489,636 - Aoki , et al. December 25, 1 | 1984-12-25 |
| Keyboard musical instrument Grant 4,488,472 - Kumano , et al. December 18, 1 | 1984-12-18 |
| Automatic performance device with tempo follow-up function Grant 4,484,507 - Nakada , et al. November 27, 1 | 1984-11-27 |
| Apparatus for automatically setting the optimum performance characteristics of a tape recorder Grant 4,484,237 - Muto November 20, 1 | 1984-11-20 |
| Automatic performance apparatus for use in combination with a manually operable musical tone generating instrument Grant 4,476,764 - Nishimoto October 16, 1 | 1984-10-16 |
| Amplifier with distortion cancellation Grant 4,476,442 - Iwamatsu October 9, 1 | 1984-10-09 |
| Method of mounting semiconductor chip for producing semiconductor device and a chip-supporting member used therein Grant 4,475,007 - Ohno October 2, 1 | 1984-10-02 |
| Musical keyboard Grant 4,474,100 - Kondo October 2, 1 | 1984-10-02 |
| Sound effect imparting device for an electronic musical instrument Grant 4,472,993 - Futamase , et al. September 25, 1 | 1984-09-25 |
| Eyeglass-frame Grant 4,472,035 - Takamura , et al. September 18, 1 | 1984-09-18 |
| Planar type electro-acoustic transducer and process for manufacturing same Grant 4,472,604 - Nakamura , et al. September 18, 1 | 1984-09-18 |
| Electronic musical instrument capable of producing a musical tone by varying tone color with time Grant 4,471,681 - Nishimoto September 18, 1 | 1984-09-18 |
| Bass drum used for training purposes Grant 4,469,004 - Kurosaki September 4, 1 | 1984-09-04 |
| Solenoid driving apparatus for actuating key of player piano Grant 4,469,000 - Fujiwara , et al. September 4, 1 | 1984-09-04 |
| Electronic musical instrument of the harmonic synthesis type Grant RE31,653 - Takeuchi August 28, 1 | 1984-08-28 |
| RIAA Equalizer circuit Grant 4,468,627 - Fushiki August 28, 1 | 1984-08-28 |
| Automatic performing apparatus of electronic musical instrument Grant 4,466,324 - Okamoto , et al. August 21, 1 | 1984-08-21 |
| Automatic music performing apparatus with intermediate span designating faculty Grant 4,454,797 - Amano June 19, 1 | 1984-06-19 |
| Electronic musical instrument with game function Grant 4,453,439 - Koike June 12, 1 | 1984-06-12 |
| Gain-controlled amplifier Grant 4,451,798 - Yokoyama May 29, 1 | 1984-05-29 |
| Electronic musical instruments having automatic ensemble function based on scale mode Grant 4,450,742 - Sugiura May 29, 1 | 1984-05-29 |
| Amplifier circuit Grant 4,446,442 - Yokoyama May 1, 1 | 1984-05-01 |
| Envelope wave shape signal generator for an electronic musical instrument Grant 4,440,056 - Kozuki , et al. April 3, 1 | 1984-04-03 |
| Apparatus for controlling pickup arm in record or video disk player Grant 4,437,180 - Takeuchi March 13, 1 | 1984-03-13 |
| Switch operating mechanism Grant 4,434,340 - Kondo February 28, 1 | 1984-02-28 |
| Power supply changeover type power amplifier Grant 4,433,307 - Yokoyama February 21, 1 | 1984-02-21 |
| Power supply circuit for electrical apparatus Grant 4,433,369 - Noro February 21, 1 | 1984-02-21 |
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