Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5442608 | Disk apparatus having a power consumption reducing mechanism | Yoshiaki Umeda, Teruo Furukawa, Masaharu Ogawa, Kazuhiko Nakane, Akira Mashimo +4 more | 1995-08-15 |
| 4916449 | Wide dynamic range digital to analog conversion method and system | Mitsumasa Kubo | 1990-04-10 |
| 4845498 | Wide dynamic range digital to analog conversion method and systems | Mitsumasa Kubo | 1989-07-04 |
| 4751496 | Wide dynamic range analog to digital conversion method and system | Mitsumasa Kubo | 1988-06-14 |
| 4700173 | Analog to digital conversion method and system with the introduction and later removal of dither | Hiroyuki Onda | 1987-10-13 |
| 4686509 | Digital to analog conversion method and system with the introduction and later removal of dither | Hiroyuki Onda | 1987-08-11 |
| 4644324 | Digital to analog conversion system with the addition of dither to the digital input | Hiroyuki Onda | 1987-02-17 |