SO

Seiji Okamoto

NT NTT: 31 patents #51 of 4,871Top 2%
KS Kawai Gakki Seisakusho: 7 patents #26 of 198Top 15%
OC Oki Electric Industry Co.: 6 patents #312 of 2,807Top 15%
Sharp Kabushiki Kaisha: 5 patents #3,007 of 10,731Top 30%
FI Fujifilm Business Innovation: 2 patents #2,833 of 5,238Top 55%
KC Kawai Musical Inst. Mfg. Co.: 2 patents #7 of 31Top 25%
KC Kawai Musical Instruments Manufacturing Co.: 2 patents #10 of 50Top 20%
NE Ntt Electronics: 2 patents #99 of 358Top 30%
SO Socionext: 1 patents #229 of 541Top 45%
NI Nipro: 1 patents #207 of 473Top 45%
Overall (All Time): #41,082 of 4,157,543Top 1%
58
Patents All Time

Issued Patents All Time

Showing 51–58 of 58 patents

Patent #TitleCo-InventorsDate
5641929 Apparatus for and method of generating musical tones Katsushi Ishii, Yutaka Washiyama, Sayoko Hirano 1997-06-24
5559298 Waveform read-out system for an electronic musical instrument 1996-09-24
5459279 Electronic instrument for generating sounds based on the compressed waveform data stored beforehand 1995-10-17
5432513 Codec 1995-07-11
5420934 Electronic sound processing system 1995-05-30
5379294 Multipurpose analog front-end circuit Hisao Ohtake, Shoji Fujii 1995-01-03
5289058 MOS operational amplifier circuit 1994-02-22
4494824 Liquid crystal display with small impedance orienting film Takeshi Nakamura, Kazuyoshi Hirayama 1985-01-22