Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9669853 | Train control system | — | 2017-06-06 |
| 9004413 | Train control system | — | 2015-04-14 |
| 8914715 | Soft decision value generation circuit to reduce calculation amounts and hardware scale | Hiroshi Nishimoto | 2014-12-16 |
| 6327114 | Recording medium driving apparatus | Akira Otsuki | 2001-12-04 |
| 6301215 | Recording medium driving apparatus | Akira Otsuki | 2001-10-09 |