Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7719031 | Heterojunction biploar transistor and method for manufacturing same | Tohru Saitoh, Takahiro Kawashima, Yoshihiko Kanzawa, Teruhito Ohnishi | 2010-05-18 |
| 7465969 | Bipolar transistor and method for fabricating the same | Teruhito Ohnishi, Koichiro Yuki, Tsuneichiro Sano, Tohru Saitoh, Takahiro Kawashima +1 more | 2008-12-16 |
| 7091099 | Bipolar transistor and method for fabricating the same | Teruhito Ohnishi, Koichiro Yuki, Tsuneichiro Sano, Tohru Saitoh, Takahiro Kawashima +1 more | 2006-08-15 |
| 6987072 | Method of producing semiconductor crystal | Yoshihiko Kanzawa, Teruhito Ohnishi, Tohru Saitoh, Akira Asai | 2006-01-17 |
| 6927118 | Method of fabricating a bipolar transistor utilizing a dry etching and a wet etching to define a base junction opening | Teruhito Ohnishi, Akira Asai | 2005-08-09 |
| 6838395 | Method for fabricating a semiconductor crystal | Yoshihiko Kanzawa, Teruhito Ohnishi, Tohru Saitoh, Akira Asai | 2005-01-04 |
| 6273959 | Method of cleaning semiconductor device | Teruhito Oonishi, Masaaki Niwa, Yoshinao Harada | 2001-08-14 |
| 5194400 | Method for fabricating a semiconductor laser device using (Al.sub.x Ga.sub.1-x).sub.y In.sub.1-y P semiconductor clad layers | Akira Takamori, Kiyoshi Uchiyama, Masato Nakajima | 1993-03-16 |
| 5101449 | Optical phase modulator with asymmetric piezoelectric vibrator | Yoshinori Takeuchi, Hidehiko Negishi, Yuko Takei | 1992-03-31 |