Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830653 | Plasma processing method and apparatus | Tomohiro Okumura, Yukihiro Maegawa, Izuru Matsuda, Takayuki Kai | 2004-12-14 |
| 4478524 | Arrangement of analog-type electronic wristwatch | Yasuo Kamiyama, Mitsuhiro Murata | 1984-10-23 |
| 4477195 | Arrangement of analog-type electronic wristwatch | Yasuo Kamiyama, Mitsuhiro Murata | 1984-10-16 |
| 4453833 | Movement structure for hand display type electronic watch | — | 1984-06-12 |