Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7476935 | High power semiconductor device having a schottky barrier diode | Naoki Kumagai, Shinichi Jimbo, Yoshihiro IKURA, Tatsuhiko Fujihira, Kazuhiko Yoshida | 2009-01-13 |
| 7436024 | Semiconductor device and method of manufacturing the same | Naoki Kumagai, Hiroshi Kanemaru, Yoshihiro IKURA, Ryuu Saitou | 2008-10-14 |
| 6870223 | High power semiconductor device having a Schottky barrier diode | Naoki Kumagai, Shinichi Jimbo, Yoshihiro IKURA, Tatsuhiko Fujihira, Kazuhiko Yoshida | 2005-03-22 |
| 4728208 | Ribbon lifting mechanism for selectively placing a printing ribbon and a correction ribbon at a printing position of a typewriter | Takayuki Iwase | 1988-03-01 |