Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12414315 | Silicon carbide Schottky barrier diode | — | 2025-09-09 |
| 11876131 | Semiconductor device | Keishirou Kumada, Yoshihisa Suzuki, Yasuyuki Hoshi | 2024-01-16 |
| 11309438 | Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device | Naoyuki Ohse, Takahito Kojima, Takafumi Uchida | 2022-04-19 |
| 11245013 | Silicon carbide semiconductor device having a step film formed between a plating film and a first electrode | Keishirou Kumada, Yasuyuki Hoshi | 2022-02-08 |
| 11145724 | Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device | Keishirou Kumada, Yasuyuki Hoshi, Yoshihisa Suzuki | 2021-10-12 |
| 11121248 | Semiconductor device | Yoshihisa Suzuki, Keishirou Kumada, Yasuyuki Hoshi | 2021-09-14 |
| 10991821 | Semiconductor device and method of manufacturing semiconductor device | Yasuyuki Hoshi, Keishirou Kumada | 2021-04-27 |
| 10930775 | Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device | Yasuyuki Hoshi, Keishirou Kumada | 2021-02-23 |
| 10868168 | Semiconductor device and method of manufacturing semiconductor device | Keishirou Kumada, Yasuyuki Hoshi | 2020-12-15 |
| 10818789 | Semiconductor device and semiconductor circuit device | Keishirou Kumada, Yasuyuki Hoshi, Yoshihisa Suzuki | 2020-10-27 |
| 10658465 | Silicon carbide semiconductor device and method of manufacturing a silicon carbide semiconductor device | Yasuyuki Hoshi, Keishirou Kumada | 2020-05-19 |
| 10559514 | Semiconductor device | Keishirou Kumada, Yoshihisa Suzuki, Yasuyuki Hoshi | 2020-02-11 |
| 10347735 | Semiconductor device with lifetime killers and method of manufacturing the same | Keishirou Kumada, Yasuyuki Hoshi | 2019-07-09 |
| 9070400 | Method of manufacturing a magnetic recording medium | Kunio Hibino | 2015-06-30 |