Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7915547 | Key switch, input device, contact pattern | Yoshihide Sakano, Kazuo Yoneyama | 2011-03-29 |
KO
Kazumi Otani
Overall (All Time): #3,245,322 of 4,157,543Top 80%
1
Patents All Time