Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6772101 | Position detection apparatus and arithmetic processing unit | Masato Tanaka, Shigeru Ishimoto, Toyohiko Matsuda | 2004-08-03 |
| 6490807 | Position detection apparatus | Masato Tanaka, Shigeru Ishimoto, Toyohiko Matsuda | 2002-12-10 |
| 6470292 | Position detection apparatus | Masato Tanaka, Shigeru Ishimoto, Toyohiko Matsuda | 2002-10-22 |
| 4883320 | Seat structure | Satoshi Izumida | 1989-11-28 |
| 4834458 | Seat cushion structure | Satoshi Izumida, Masaru Kurita, Yasuo Tanaka | 1989-05-30 |