Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6809349 | Power semiconductor device | Hideaki Ninomiya, Ichiro Omura, Tomoki Inoue | 2004-10-26 |
| 6693338 | Power semiconductor device having RESURF layer | Wataru Saitoh, Ichiro Omura, Satoshi Aida, Syotaro Ono | 2004-02-17 |
| 6670658 | Power semiconductor element capable of improving short circuit withstand capability while maintaining low on-voltage and method of fabricating the same | Hidetaka Hattori | 2003-12-30 |
| 6569412 | Treatment composition for dyed hair | Shintaro Totoki, Makoto Iijima, Hajime Miyabe | 2003-05-27 |
| 6545341 | Power transistor | — | 2003-04-08 |
| 6495871 | Power semiconductor element capable of improving short circuit withstand capability while maintaining low on-voltage and method of fabricating the same | Hidetaka Hattori | 2002-12-17 |
| 6236069 | Insulated-gate thyristor | Takashi Shinohe, Kazuya Nakayama, Minami Takeuchi, Mitsuhiko Kitagawa, Ichiro Omura +1 more | 2001-05-22 |
| 6114727 | Semiconductor device | Tsuneo Ogura | 2000-09-05 |
| 6111454 | Power supply circuit | Takashi Shinohe, Kimihiro Hoshi | 2000-08-29 |
| 6054748 | High voltage semiconductor power device | Masanori Tsukuda, Takashi Shinohe | 2000-04-25 |
| 5910738 | Driving circuit for driving a semiconductor device at high speed and method of operating the same | Takashi Shinohe, Kimihiro Hoshi | 1999-06-08 |
| 5793065 | Insulated-gate thyristor | Takashi Shinohe, Kazuya Nakayama, Minami Takeuchi, Mitsuhiko Kitagawa, Ichiro Omura +1 more | 1998-08-11 |
| 5709816 | Singlet oxygen quenchers and external compositions containing the same | Hiroyuki Ohsu, Eiichi Nishizawa, Mitsuru Sugiyama, Koichi Nakamura, Yoshinori Takema | 1998-01-20 |
| 5554862 | Power semiconductor device | Ichiro Omura, Mitsuhiko Kitagawa, Kazuya Nakayama | 1996-09-10 |
| 5464994 | Insulated-gate thyristor | Takashi Shinohe, Kazuya Nakayama, Minami Takeuchi, Mitsuhiko Kitagawa, Ichiro Omura +1 more | 1995-11-07 |
| 5381026 | Insulated-gate thyristor | Takashi Shinohe, Kazuya Nakayama, Minami Takeuchi, Mitsuhiko Kitagawa, Ichiro Omura +1 more | 1995-01-10 |
| 5371296 | 4,4-dimethyl-1-phenylpentane-1,3-dione derivative and UV ray absorbent and cosmetic containing the same | Akira Kawamata, Genji Imokawa, Kouichi Niinaka | 1994-12-06 |
| 5371536 | Automatic control of image pick-up position of object | — | 1994-12-06 |
| 5303511 | Spindle apparatus for supporting and rotating a workpiece | Yukiharu Tsuchiya, Toshio Maruyama, Kenzaburo Oishi, Shoichi Sano, Makoto Nonoyama | 1994-04-19 |
| 5206721 | Television conference system | Youichi Ashida, Ryusaku Imai, Yuji Yoshida, Toshihiro Homma, Hitoshi Sato +2 more | 1993-04-27 |
| 5191121 | Aroyl ketone derivative, UV ray absorber comprising the same, and cosmetic composition containing the same | Shinji Yamada, Akira Kawamata, Genji Imokawa, Shinichi Masuda, Kouichi Niinaka +1 more | 1993-03-02 |
| 5146002 | Aroyl ketone derivative, UV ray absorber comprising the same, and cosmetic composition containing the same | Shinji Yamada, Akira Kawamata, Genji Imokawa, Shinichi Masuda, Koichi Niinaka +1 more | 1992-09-08 |
| 5130801 | Image superimposing apparatus having limited memory requirement | — | 1992-07-14 |