Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11378591 | Electrical connection device | Takayuki Hayashizaki, Koichiro Tokumaru, Miyuki Tomooka | 2022-07-05 |
| 7547130 | Light guide plate and backlight unit using the same | Masaki Furuya | 2009-06-16 |