Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D467821 | Timer | — | 2002-12-31 |
| D457453 | Counter | — | 2002-05-21 |
| 6373686 | Key protection structure for an electronic apparatus | Hajime Takakuwa, Hiroyuki Yamamoto, Kiyotaka Tomioka | 2002-04-16 |