Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5485341 | Power transistor overcurrent protection circuit | Chihiro Okado | 1996-01-16 |
| 5202578 | Module-type semiconductor device of high power capacity | — | 1993-04-13 |
| 5143865 | Metal bump type semiconductor device and method for manufacturing the same | Tetsujiro Tsunoda, Shinjiro Kojima, Masaru Ando | 1992-09-01 |
| 5130784 | Semiconductor device including a metallic conductor for preventing arcing upon failure | Shuzo Saeki | 1992-07-14 |
| 5128277 | Conductivity modulation type semiconductor device and method for manufacturing the same | Wataru Takahashi, Masahi Kuwahara | 1992-07-07 |
| 5124772 | Insulated gate bipolar transistor with a shortened carrier lifetime region | Tetsujiro Tsunoda, Masashi Kuwahara, Shingo Yanagida | 1992-06-23 |
| 4616144 | High withstand voltage Darlington transistor circuit | Wataru Takahashi, Kenichi Muramoto | 1986-10-07 |
| 4400716 | Semiconductor device with glass layer contacting outer periphery of guard ring and adjacent substrate | Keizo Tani | 1983-08-23 |
| 4267557 | Semiconductor device | Ken-ichi Muramoto, Keizo Tani, Yutaka Tomisawa | 1981-05-12 |