Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7578050 | Switch and method of manufacturing the same | Masahiro Yamaguchi, Keiichirou Tamenaga, Kazuyuki Watanabe | 2009-08-25 |
| 6879100 | EL element and illumination comprising it | Tetsuro Hanahara, Yoshiharu Abe | 2005-04-12 |