Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806787 | Schmitt circuit for semiconductor integrated circuit | Takahiro Kato, Takanori Sugihara | 1989-02-21 |
| 4803383 | Transistor-transistor logic circuit | — | 1989-02-07 |
| 4689502 | Gate array LSI device using PNP input transistors to increase the switching speed of TTL buffers | Yoshiki Shimauchi | 1987-08-25 |