Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7915547 | Key switch, input device, contact pattern | Kazumi Otani, Yoshihide Sakano | 2011-03-29 |
KY
Kazuo Yoneyama
Overall (2011): #248,260 of 364,097Top 70%
1
Patents 2011