Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7629908 | D/A conversion circuit, organic EL drive circuit and organic EL display device | Shinichi Abe, Yuji Shimada | 2009-12-08 |
| 5603225 | Multi-type air conditioner address setting method and address setting device | Yukio Tobi, Kouichi Saruhashi | 1997-02-18 |