EA

Eiichiro Aoki

Yamaha: 55 patents #5 of 2,001Top 1%
NS Nippon Gakki Seizo: 30 patents #3 of 332Top 1%
NE Nec Engineering: 1 patents #22 of 81Top 30%
Overall (All Time): #19,747 of 4,157,543Top 1%
86
Patents All Time

Issued Patents All Time

Showing 51–75 of 86 patents

Patent #TitleCo-InventorsDate
5247131 Electronic musical instrument with multi-model performance manipulator Tetsuo Okamoto, Satoshi Usa 1993-09-21
5241126 Electronic musical instrument capable of simulating special performance effects Satoshi Usa 1993-08-31
5192826 Electronic musical instrument having an effect manipulator 1993-03-09
5119713 Electronic musical instrument having a portamento function utilizing whole and half transformations Satoshi Usa 1992-06-09
5081896 Musical tone generating apparatus Teruo Hiyoshi, Hideo Suzuki, Akira Nakada, Shinji Kumano, Kunihiko Watanabe +1 more 1992-01-21
4972753 Electronic musical instrument Takeshi Adachi, Takaaki Muto 1990-11-27
RE32726 Envelope generator Teruo Hiyoshi, Akira Nakada, Shigeru Yamada, Eiichi Yamaga 1988-08-09
4539884 Electronic musical instrument of waveshape memory type with expression control 1985-09-10
4499808 Electronic musical instruments having automatic ensemble function 1985-02-19
4489636 Electronic musical instruments having supplemental tone generating function Iwao Higashi 1984-12-25
4470332 Electronic musical instrument with counter melody function 1984-09-11
4461199 Electronic musical instruments Teruo Hiyoshi, Eisaku Okamoto, Toshio Sugiura, Koichi Kozuki 1984-07-24
4429606 Electronic musical instrument providing automatic ensemble performance 1984-02-07
4419916 Electronic musical instrument employing keyboard tonality designation system 1983-12-13
4399731 Apparatus for automatically composing music piece 1983-08-23
RE31090 Electronic musical instrument Eiichi Yamaga, Akira Nakada, Takatoshi Okumura, Akiyoshi Oya, Yasuji Uchiyama 1982-11-30
RE30982 Time shared tone keying system in electronic musical instrument 1982-06-29
4333374 Submultiple-related-frequency wave generator Takatoshi Okumura, Akira Nakada, Yasuji Uchiyama, Eiichi Yamaga, Akiyoshi Oya 1982-06-08
4327622 Electronic musical instrument realizing automatic performance by memorized progression 1982-05-04
RE30906 Envelope generator Teruo Hiyoshi, Akira Nakada, Tsutomu Suzuki, Eiichi Yamaga 1982-04-20
4307644 Automatic performance device 1981-12-29
RE30736 Tone wave generator in electronic musical instrument Teruo Hiyoshi, Akira Nakada, Tsutomu Suzuki, Takatoshi Okumura 1981-09-08
4267762 Electronic musical instrument with automatic arpeggio performance device Tsutomu Suzuki 1981-05-19
4263828 Electronic musical instrument having envelope controlled _automatic performance Akio Imamura, Norio Tomisawa 1981-04-28
4235142 Electronic musical instrument of time-shared digital processing type Akira Nakada, Akiyoshi Oya, Takatoshi Okumura, Yasuji Uchiyama, Eiichi Yamaga 1980-11-25