Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8242556 | Vertical and trench type insulated gate MOS semiconductor device | Hiroki Wakimoto, Masahito Otsuki | 2012-08-14 |
| 8138542 | Semiconductor device and manufacturing method of the semiconductor device | Akio Sugi, Kouta Takahashi, Manabu Takei, Haruo Nakazawa, Noriyuki Iwamuro | 2012-03-20 |
| 8125027 | Semiconductor device having trenches extending through channel regions | — | 2012-02-28 |
| 8097901 | Semiconductor device having insulated gate semiconductor element, and insulated gate bipolar transistor | Masaki Koyama, Yoshifumi Okabe, Makoto Asai, Takeshi Fujii | 2012-01-17 |
| 8089094 | Semiconductor device | — | 2012-01-03 |
| 8089134 | Semiconductor device | Tomoyuki Yamazaki, Yuichi Onozawa | 2012-01-03 |
| 8080846 | Semiconductor device having improved breakdown voltage and method of manufacturing the same | Setsuko Wakimoto, Hitoshi Kuribayashi | 2011-12-20 |
| 7977704 | Semiconductor device having insulated gate semiconductor element, and insulated gate bipolar transistor | Masaki Koyama, Yoshifumi Okabe, Makoto Asai, Takeshi Fujii | 2011-07-12 |
| 7943991 | Semiconductor device | — | 2011-05-17 |
| 7943439 | Method for manufacturing semiconductor apparatus | — | 2011-05-17 |
| 7772677 | Semiconductor device and method of forming the same having a junction termination structure with a beveled sidewall | — | 2010-08-10 |
| 7737490 | Vertical and trench type insulated gate MOS semiconductor device | Hiroki Wakimoto, Masahito Otsuki | 2010-06-15 |
| 7535059 | Semiconductor device and manufacturing method of the semiconductor device | Akio Sugi, Kouta Takahashi, Manabu Takei, Haruo Nakazawa, Noriyuki Iwamuro | 2009-05-19 |
| 7276778 | Semiconductor system functioning as thyristor in on-state, and as bipolar transistor in transient state or with overcurrent | — | 2007-10-02 |
| 7098488 | Insulated gate bipolar transistor | Katsunori Ueno, Hiroshi Kanemaru | 2006-08-29 |
| 6380586 | Trench-type insulated gate bipolar transistor | — | 2002-04-30 |