Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5883529 | Function clock generation circuit and D-type flip-flop equipped with enable function and memory circuit using same | Ichiro Kumata | 1999-03-16 |
| 4952522 | Method of fabricating complementary semiconductor integrated circuits devices having an increased immunity to latch-up | Akira Yamada, Tsunenori Umeki | 1990-08-28 |
| 4899066 | OR-type CMOS logic circuit with fast precharging | Hiromasa Nakagawa, Tsunenori Umeki | 1990-02-06 |