YU

Yasuji Uchiyama

NS Nippon Gakki Seizo: 21 patents #7 of 332Top 3%
Yamaha: 1 patents #1,232 of 2,001Top 65%
Overall (All Time): #199,048 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
4947723 Tone signal generation device having a tone sampling function Susumu KAWASHIMA 1990-08-14
4788896 Tone Generator having a variable number of channels with a variable number of operating units Shigeru Suzuki 1988-12-06
4779228 Sequential-access memory Shigeki Yamamoto 1988-10-18
4747332 Electronic musical instrument forming tones by wave computation Hideo Suzuki 1988-05-31
4616546 Electronic musical instrument forming tones by wave computation Hideo Suzuki 1986-10-14
4524668 Electronic musical instrument capable of performing natural slur effect Norio Tomisawa, Hideo Suzuki 1985-06-25
4424732 Electronic musical instrument with intermanual performance faculty Akio Imamura, Akira Nakada 1984-01-10
RE31090 Electronic musical instrument Eiichi Yamaga, Akira Nakada, Takatoshi Okumura, Eiichiro Aoki, Akiyoshi Oya 1982-11-30
4333374 Submultiple-related-frequency wave generator Takatoshi Okumura, Akira Nakada, Eiichiro Aoki, Eiichi Yamaga, Akiyoshi Oya 1982-06-08
4321850 Electronic musical instrument with highest priority key tone production Akiyoshi Oya 1982-03-30
4315451 Electronic musical instrument with automatic accompaniment device Akira Nakada, Akio Imamura 1982-02-16
4308779 Control waveform generators for electronic musical instruments Hideo Suzuki, Kenji Itakura 1982-01-05
4235142 Electronic musical instrument of time-shared digital processing type Akira Nakada, Eiichiro Aoki, Akiyoshi Oya, Takatoshi Okumura, Eiichi Yamaga 1980-11-25
4232581 Automatic accompaniment apparatus 1980-11-11
4228712 Key code data generator Akira Nakada, Takatoshi Okumura, Eiichiro Aoki, Eiichi Yamaga, Akiyoshi Oya 1980-10-21
4228403 Submultiple-related-frequency wave generator Takatoshi Okumura, Akira Nakada, Eiichiro Aoki, Eiichi Yamaga, Akiyoshi Oya 1980-10-14
4223584 Electronic musical instrument Akira Nakada, Eiichiro Aoki, Akiyoshi Oya, Takatoshi Okumura, Eiichi Yamaga 1980-09-23
4218948 Electronic musical instrument of key code processing type Akira Nakada, Eiichiro Aoki, Akiyoshi Oya, Takatoshi Okumura, Eiichi Yamaga 1980-08-26
4217804 Electronic musical instrument with automatic arpeggio performance device Eiichi Yamaga, Akira Nakada, Takatoshi Okumura, Eiichiro Aoki, Akiyoshi Oya 1980-08-19
4204452 Single key preferential selection device in electronic musical instrument 1980-05-27
4192211 Electronic musical instrument Eiichi Yamaga, Akira Nakada, Takatoshi Okumura, Eiichiro Aoki, Akiyoshi Oya 1980-03-11
4186640 Electronic musical instrument Teruo Hiyoshi, Akira Nakada, Eiichi Yamaga, Eiichiro Aoki 1980-02-05