Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7259426 | Semiconductor device and its manufacturing method | Satoshi Aida, Shigeo Kouzuki, Masaru Izumisawa, Hironori Yoshioka | 2007-08-21 |
| 7253507 | Semiconductor device | Shigeo Kouzuki, Satoshi Aida, Masaru Izumisawa, Hironori Yoshioka | 2007-08-07 |
| 7049186 | Insulated gate type semiconductor device having a diffusion region contacting bottom and side portions of trenches | — | 2006-05-23 |
| 6870200 | Insulated gate type semiconductor device having a diffusion region contacting bottom and side portions of trenches | — | 2005-03-22 |
| 6605870 | Pressure-contact type semiconductor device | Eitaro Miyake | 2003-08-12 |
| 5874750 | Pressure-contact type semiconductor device | Michiaki Hiyoshi | 1999-02-23 |
| 5872527 | Medical keyboard apparatus provided with data inputting mechanical switches and function executing flat switches | — | 1999-02-16 |
| 5835985 | Reverse conducting gate-turnoff thyristor | Michiaki Hiyoshi, Takashi Fujiwara, Hideo Matsuda, Susumu Iesaka, Tatuo Harada | 1998-11-10 |
| 5539232 | MOS composite type semiconductor device | Hidetoshi Nakanishi | 1996-07-23 |
| 5332323 | Paper insert device for printer | Shunji Murai | 1994-07-26 |