Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670565 | Illuminated button switch | Tetsuro Hanahara, Takayuki Ishikawa, Yoshiharu Abe | 2003-12-30 |
SD
Shigetaka Douzono
Overall (2003): #121,238 of 273,478Top 45%
1
Patents 2003