Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672897 | Bimos semiconductor integrated circuit device including high speed vertical bipolar transistors | Atsuo Watanabe, Kiyoshi Tsukuda, Mitsuru Hirao, Touji Mukai, Tatsuya Kamei | 1997-09-30 |
| 5661329 | Semiconductor integrated circuit device including an improved separating groove arrangement | Toshiro Hiramoto, Nobuo Tamba, Masami Usami, Kazuo Tanaka, Atsuo Watanabe +3 more | 1997-08-26 |
| 5643805 | Process for producing a bipolar device | Hiroyuki Ohta, Hideo Miura, Hiroo Masuda, Yoichi Tamaki, Asao Nishimura +1 more | 1997-07-01 |
| 5619069 | Bipolar device and production thereof | Hiroyuki Ohta, Hideo Miura, Hiroo Masuda, Yoichi Tamaki, Asao Nishimura +1 more | 1997-04-08 |