Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6072129 | Impact detecting apparatus | Masanobu Ishikawa, Koji Ito, Kazuya Tanaka | 2000-06-06 |
| 5847262 | Impact detecting apparatus | Koji Ito, Toshiro Maeda, Kazuya Tanaka | 1998-12-08 |
| 5747761 | Manually resettable shock sensor switch | — | 1998-05-05 |