Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7764028 | LED drive circuit and LED light-emitting device | Mitsuru Mariyama | 2010-07-27 |
| 7378687 | Photothyristor device, bidirectional photothyristor device and electronic apparatus | Satoshi Nakajima | 2008-05-27 |
| 6858871 | Semiconductor device and manufacturing method therefor | — | 2005-02-22 |
| 6649949 | Photodiode with electrode for noise immunity | — | 2003-11-18 |