Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12396230 | SiC semiconductor device manufacturing method and SiC semiconductor device | Takuma Kobayashi, Keita TACHIKI | 2025-08-19 |
| 11996449 | Semiconductor device with carbon-density-decreasing region | Takuma Kobayashi, Yuki Nakano, Masatoshi AKETA | 2024-05-28 |
| 11725301 | Method for manufacturing crystal for synthetic gem | Iso Ohara | 2023-08-15 |
| 11502172 | Semiconductor device with carbon-density-decreasing region | Takuma Kobayashi, Yuki Nakano, Masatoshi AKETA | 2022-11-15 |
| 9508802 | Gettering process for producing semiconductor device | Katsunori Danno, Hiroaki Saitoh, Akinori Seki | 2016-11-29 |
| 9190482 | Method of production of SiC semiconductor device | Katsunori Danno | 2015-11-17 |
| 8696814 | Film deposition apparatus and film deposition method | Eisuke Morisaki, Hirokatsu Kobayashi, Jun Yoshikawa, Ikuo Sawada, Noriaki Kawamoto +1 more | 2014-04-15 |
| 8399888 | P-type SiC semiconductor | Hiroaki Saitoh, Akinori Seki | 2013-03-19 |
| RE43840 | Silicon carbide semiconductor device | Mitsuhiro Kataoka, Yuuichi Takeuchi, Masami Naito, Rajesh Kumar, Hiroyuki Matsunami | 2012-12-04 |
| 7671387 | Lateral junction field effect transistor and method of manufacturing the same | Kazuhiro Fujikawa, Shin Harada, Kenichi Hirotsu, Satoshi Hatsukawa, Takashi Hoshino +1 more | 2010-03-02 |
| 7671388 | Lateral junction field effect transistor and method of manufacturing the same | Kazuhiro Fujikawa, Shin Harada, Kenichi Hirotsu, Satoshi Hatsukawa, Takashi Hoshino +1 more | 2010-03-02 |
| 7528426 | Lateral junction field-effect transistor | Shin Harada, Kenichi Hirotsu, Hiroyuki Matsunami | 2009-05-05 |
| 7420232 | Lateral junction field effect transistor and method of manufacturing the same | Kazuhiro Fujikawa, Shin Harada, Kenichi Hirotsu, Satoshi Hatsukawa, Takashi Hoshino +1 more | 2008-09-02 |
| 7321142 | Field effect transistor | Kazuhiro Fujikawa, Shin Harada, Hiroyuki Matsunami | 2008-01-22 |
| 7241694 | Method for manufacturing semiconductor device having trench in silicon carbide semiconductor substrate | Yuuichi Takeuchi, Rajesh Kumar Malhan, Hiroyuki Matsunami | 2007-07-10 |
| 7049644 | Lateral junction field effect transistor and method of manufacturing the same | Kazuhiro Fujikawa, Shin Harada, Kenichi Hirotsu, Satoshi Hatsukawa, Takashi Hoshino +1 more | 2006-05-23 |
| 7023033 | Lateral junction field-effect transistor | Shin Harada, Kenichi Hirotsu, Hiroyuki Matsunami | 2006-04-04 |
| 6870189 | Pinch-off type vertical junction field effect transistor and method of manufacturing the same | Shin Harada, Kenichi Hirotsu, Hiroyuki Matsunami | 2005-03-22 |
| 6853006 | Silicon carbide semiconductor device | Mitsuhiro Kataoka, Yuuichi Takeuchi, Masami Naito, Rajesh Kumar, Hiroyuki Matsunami | 2005-02-08 |
| 6734461 | SiC wafer, SiC semiconductor device, and production method of SiC wafer | Hiromu Shiomi, Hiroyuki Matsunami | 2004-05-11 |
| 6660084 | Sic single crystal and method for growing the same | Hiromu Shiomi, Hiroyuki Matsunami | 2003-12-09 |
| 5476812 | Semiconductor heterojunction structure | Tadashi Tomikawa, Nobuhiko Fujita | 1995-12-19 |
| 5250149 | Method of growing thin film | Tadashi Tomikawa, Nobuhiko Fujita | 1993-10-05 |
| 5117267 | Semiconductor heterojunction structure | Tadashi Tomikawa, Nobuhiko Fujita | 1992-05-26 |