Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8328973 | Method of manufacturing radial tire for construction vehicle | Ken Takahashi, Tsuyoshi Maekawa | 2012-12-11 |
| 5627563 | Multicolor display apparatus | Tadahiko Nakagiri, Mitsuhiro OKAMOTO | 1997-05-06 |
| 5526016 | Multicolor display apparatus | Tadahiko Nakagiri | 1996-06-11 |
| 5515075 | Multicolor display apparatus | Tadahiko Nakagiri, Mitsuhiro OKAMOTO | 1996-05-07 |
| 4234943 | Month correcting mechanism for calendar timepieces | Minoru Watanabe, Tetuo Matumura | 1980-11-18 |
| 4196577 | Electronic timepiece | Hideshi Ohno, Tadamichi Mouri, Kazunari Kume, Takatoshi Osaka, Minoru Watanabe | 1980-04-08 |
| 4182109 | Calendar mechanism for timepieces | — | 1980-01-08 |