Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6730869 | Switch | Hiroshi Hirahata, Nobutaka Imai | 2004-05-04 |
| 6700085 | Push switch with improved click spring | Kazunori Hamasaki | 2004-03-02 |
| 6593537 | Membrane switch | Kazunori Hamasaki | 2003-07-15 |