Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677088 | Nickel electrode plate for an alkaline storage battery | — | 1997-10-14 |
| 5664665 | Shock sensor | Kiyotaka Nakamura, Hisaharu Matsueda, Kayoko Makiki, Isamu Hamazaki, Kazuya Watanabe | 1997-09-09 |