Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12051552 | Switching device | Tetsu NUMATA, Akihiro Kusaka, Shunsuke Kimura, Reiji KOYAMA | 2024-07-30 |
| 11953929 | Operation device | Tetsu NUMATA, Akihiro Kusaka, Shunsuke Kimura, Reiji KOYAMA | 2024-04-09 |
| 8975542 | Pressing-type input device | Ko Owada, Tetsu NUMATA | 2015-03-10 |