Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7321337 | Electronic device having metal package unit having built-in antenna unit | Ienobu Ikeda, Takashi Ihara, Minoru Kobayashi | 2008-01-22 |
| 5215235 | Watch band | Takashi Masuda, Tomomi Murakami, Masahiko Waki, Takayuki Takahashi | 1993-06-01 |
| 4313187 | Water resisting crown structure for electronic wristwatches | Masahiko Waki | 1982-01-26 |
| 4234948 | Watchglass fixing structure | Tsunetoshi Sekiguchi, Masahiko Waki, Hiroshi Koide, Kisuke Watanabe, Osamu Matsumura +1 more | 1980-11-18 |
| 4206590 | Electronic wristwatch case | Satoru Fukutome | 1980-06-10 |
| 4206591 | Watchglass fixing structure for timepiece | — | 1980-06-10 |