Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416979 | Multi-directional input device | — | 2025-09-16 |
| 12050482 | Multidirectional input apparatus | — | 2024-07-30 |
| 11364435 | Operation device | Tomoya Endo, Makoto Hayashi, Tatsuaki Kawase, Tomoyasu Nagano, Hidekazu Kato +1 more | 2022-06-21 |
| 10855157 | Power generation device | Tatsuaki Kawase, Shuji Fujiwara | 2020-12-01 |
| 6642462 | Lid open/close detection device of portable electronic equipment | Hiroki Oba, Takayuki Itabashi, Tatsuaki Kawase | 2003-11-04 |
| 6527584 | Battery holder for housing flat battery | — | 2003-03-04 |