Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862240 | Complementary semiconductor device | Atsuo Watanabe, Takahiro Nagano, Naohiro Momma, Ryuichi Saito | 1989-08-29 |
| 4799098 | MOS/bipolar device with stepped buried layer under active regions | Atsuo Watanabe, Touji Mukai, Masanori Odaka, Katsumi Ogiue | 1989-01-17 |