Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621016 | Complex operation input device | Katsuichi Ohba | 2003-09-16 |
| 6525277 | Multiple operation type input device | Katsuichi Oba | 2003-02-25 |
| 6492602 | Two-position pushbutton switch | Akira Asai, Shigenori Sato, Katsuichi Oba | 2002-12-10 |