Issued Patents All Time
Showing 1–25 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12259410 | Rogowski-type current sensor and inverter, and method of mounting Rogowski-type current sensor | — | 2025-03-25 |
| 10840365 | Insulated gate bipolar transistor device, manufacturing method for semiconductor device, and manufacturing method for insulated gate bipolar transistor device | Katsumi Satoh, Tomoko Matsudai | 2020-11-17 |
| RE47641 | Semiconductor device with super junction region | Masakazu Yamaguchi, Wataru Saito, Masaru Izumisawa | 2019-10-08 |
| 10411111 | Method for fabricating high-voltage insulated gate type bipolar semiconductor device | Masahiro Tanaka, Masanori Tsukuda, Yamato Miki | 2019-09-10 |
| RE47198 | Power semiconductor device | Masakazu Yamaguchi, Hideaki Ninomiya, Tomoki Inoue | 2019-01-08 |
| RE46799 | Semiconductor device with alternating conductivity type layers having different vertical impurity concentration profiles | Wataru Saito, Kozo Kinoshita | 2018-04-17 |
| 7915617 | Semiconductor device | Tsuneo Ogura | 2011-03-29 |
| 7868397 | Vertical semiconductor device | Masanori Tsukuda | 2011-01-11 |
| 7864021 | Integrated circuit device | Kenichi Matsushita | 2011-01-04 |
| 7838926 | Semiconductor device | Masanori Tsukuda | 2010-11-23 |
| 7772641 | Power semiconductor device with a plurality of gate electrodes | Yoko Sakiyama, Hideki Nozaki, Atsushi Murakoshi, Masanobu Tsuchitani, Koichi Sugiyama +3 more | 2010-08-10 |
| 7732837 | Nitride semiconductor device | Wataru Saito | 2010-06-08 |
| 7723783 | Semiconductor device | Wataru Saito | 2010-05-25 |
| 7652510 | Semiconductor device having driver with temperature detection | Masato Izumi | 2010-01-26 |
| 7633153 | Semiconductor module | Kazuo Shimokawa, Takashi Koyanagawa, Masako Ooishi, Tatsuya Yamada, Osamu Usuda +13 more | 2009-12-15 |
| 7564107 | Power semiconductor device including a terminal structure | Satoshi Yanagisawa, Satoshi Aida, Shigeo Kouzuki, Hironori Yoshioka, Wataru Saito | 2009-07-21 |
| 7554155 | Power semiconductor device and method of manufacturing the same | Wataru Saito | 2009-06-30 |
| 7531876 | Semiconductor device having power semiconductor elements | Kenji Takahashi, Chiaki Takubo, Hideo Aoki, Hideo Numata, Mie Matsuo +5 more | 2009-05-12 |
| 7531871 | Power semiconductor switching element | Wataru Saito, Tsuneo Ogura, Hiromichi Ohashi, Yoshihiko Saito, Kenichi Tokano | 2009-05-12 |
| 7514783 | Semiconductor module | Kazuo Shimokawa, Takashi Koyanagawa, Masako Ooishi, Tatsuya Yamada, Osamu Usuda +13 more | 2009-04-07 |
| 7508015 | Semiconductor device using a nitride semiconductor | Wataru Saito | 2009-03-24 |
| 7462909 | Semiconductor device and method of fabricating the same | Wataru Saito | 2008-12-09 |
| 7459945 | Gate driving circuit and gate driving method of power MOSFET | — | 2008-12-02 |
| 7385250 | Semiconductor device | Wataru Saito | 2008-06-10 |
| 7329909 | Nitride semiconductor device | Wataru Saito, Kouhei Morizuka | 2008-02-12 |