Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7629644 | Insulated gate-type semiconductor device and manufacturing method of the same | Hirotoshi Kubo, Shouji Miyahara, Hiroyasu Ishida, Hiroaki Saito | 2009-12-08 |
| 7521306 | Semiconductor device and a method of fabricating the same | Hirotoshi Kubo, Masanao Kitagawa, Hiroaki Saito, Eiichiroh Kuwako | 2009-04-21 |
| 7413954 | Insulated gate semiconductor device and manufacturing method of the same | Hirotoshi Kubo, Junichiro Tojo, Hiroaki Saito, Satoshi Iwata, Masamichi Yanagida | 2008-08-19 |
| 7230300 | Semiconductor device with peripheral trench | Hirotoshi Kubo, Shouji Miyahara, Hiroyasu Ishida | 2007-06-12 |
| 6939776 | Semiconductor device and a method of fabricating the same | Hirotoshi Kubo, Masanao Kitagawa, Hiroaki Saito, Eiichiroh Kuwako | 2005-09-06 |
| 5972741 | Method of manufacturing semiconductor device | Hirotoshi Kubo, Eiichiroh Kuwako, Masanao Kitagawa, Hiroaki Saitou, Keita Odajima | 1999-10-26 |