Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8757403 | Car equipment protection structure for railcar | Naohiro Yoshida, Naoaki Kawakami, Tetsuya Takagaki, Hideki Kumamoto, Seiichiro Yagi +1 more | 2014-06-24 |
| 5336952 | Semiconductor integrated circuit protected from element breakdown by reducing the electric field between the gate and drain or source of a field effect transistor | Hiroshi Iwahashi, Akira Narita | 1994-08-09 |