Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7263271 | System of sharing objects having a plurality of contents | Hitoshi Otomo, Hideki Mimura | 2007-08-28 |
| 7254456 | Recording medium and reproducing apparatus for quantized data | Hirohisa Nishiwaki, Hideki Mimura | 2007-08-07 |
| 6748160 | System of sharing objects having a plurality of contents | Hitoshi Otomo, Hideki Mimura | 2004-06-08 |
| 6724979 | System of sharing objects having a plurality of contents | Hitoshi Otomo, Hideki Mimura | 2004-04-20 |
| 6640045 | System of sharing objects having a plurality of contents | Hitoshi Otomo, Hideki Mimura | 2003-10-28 |
| 6532335 | System of sharing objects having a plurality of contents | Hitoshi Otomo, Hideki Mimura | 2003-03-11 |
| 4574206 | Wave-shaping circuit | Tadashi Kojima | 1986-03-04 |
| 4520469 | Tracking servo system for optical-disc information reproducing apparatus | Hiroshi Nakane, Satoru Maeda | 1985-05-28 |
| 4446489 | Signal copy device for digital record/reproduction system | Tadashi Kojima | 1984-05-01 |
| 4403263 | System for processing audio PCM digital signals | Satoshi Kageyama, Tadashi Kojima | 1983-09-06 |
| 4387270 | Method of harmonizing the impedances of an audio amplifier and loudspeaker interconnected therewith | Hideki Sakano | 1983-06-07 |