Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7652207 | Key structure and keyboard apparatus | Ichiro Osuga, Kenichi Nishida | 2010-01-26 |
| 7541532 | Key structure and keyboard apparatus | Ichiro Osuga, Kenichi Nishida | 2009-06-02 |
| 7268285 | Key structure and keyboard apparatus | Kenichi Nishida, Ichiro Osuga | 2007-09-11 |
| 7265288 | Key structure | Kenichi Nishida, Ichiro Osuga | 2007-09-04 |
| 7176370 | Key structure and keyboard apparatus | Ichiro Osuga, Kenichi Nishida | 2007-02-13 |