Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858189 | Semiconductor integrated circuit | Yukio Suzuki, Ikuro Masuda, Masanori Odaka, Hideaki Uchida | 1989-08-15 |
| 4853343 | Method for fabricating a semiconductor integrated circuit device having thick oxide films and groove etch and refill | Akihisa Uchida, Daisuke Okada, Toshihiko Takakura, Yoichi Tamaki, Masao Kawamura | 1989-08-01 |
| 4809052 | Semiconductor memory device | Yasushiro Nishioka, Takeo Shiba, Hiroshi Shinriki, Kiichiro Mukai, Akihisa Uchida +4 more | 1989-02-28 |
| 4799098 | MOS/bipolar device with stepped buried layer under active regions | Takahide Ikeda, Atsuo Watanabe, Touji Mukai, Masanori Odaka | 1989-01-17 |