Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8822316 | Method for manufacturing semiconductor device including an inverted region formed by doping second conductive type impurities into diffusion region of a first conductive type | Atsuya Masada | 2014-09-02 |
| 8415765 | Semiconductor device including a guard ring or an inverted region | Atsuya Masada | 2013-04-09 |
| 5739751 | Hazard warning lamp device | Dai Ishihara, Katsufumi Nagatome, Yoshimitsu Ishida, Kazunari Ishiguro, Norio Takahashi | 1998-04-14 |