Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7705236 | Electrode material, solar cell, and method for producing solar cell | Naoki Ishikawa, Satoyuki Ojima, Hiroyuki Ohtsuka, Haruhiko Kano | 2010-04-27 |
| D334891 | Combined watchcase and band therefor | Takashi Watanabe | 1993-04-20 |
| D329613 | Wristwatch | — | 1992-09-22 |