Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12002873 | Method for adjusting groove depth and method for manufacturing semiconductor device | — | 2024-06-04 |
| 11264462 | Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device | — | 2022-03-01 |
| 10832914 | Method of manufacturing silicon carbide semiconductor device | Masanobu Iwaya | 2020-11-10 |
| 10586703 | Method of manufacturing silicon carbide semiconductor device | Masanobu Iwaya | 2020-03-10 |
| 10367092 | Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device | Masanobu Iwaya | 2019-07-30 |
| 10366893 | Process for making silicon carbide semiconductor device | — | 2019-07-30 |
| 10236372 | Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device | Keiji Okumura | 2019-03-19 |
| 9997358 | Silicon carbide semiconductor device having stacked epitaxial layers | Masanobu Iwaya | 2018-06-12 |
| 8080846 | Semiconductor device having improved breakdown voltage and method of manufacturing the same | Koh Yoshikawa, Hitoshi Kuribayashi | 2011-12-20 |
| 7790519 | Semiconductor device and manufacturing method thereof | Manabu Takei, Shinji Fujikake | 2010-09-07 |
| 7365392 | Semiconductor device with integrated trench lateral power MOSFETs and planar devices | Akio Sugi, Naoto Fujishima, Mutsumi Kitamura, Katsuya Tabuchi | 2008-04-29 |
| 7262100 | Semiconductor device and manufacturing method thereof | Manabu Takei, Shinji Fujikake | 2007-08-28 |
| 6858500 | Semiconductor device and its manufacturing method | Akio Sugi, Naoto Fujishima, Mutsumi Kitamura, Katsuya Tabuchi | 2005-02-22 |