Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5138196 | Integrated semiconductor circuit | Shinzou Satou | 1992-08-11 |
| 4888623 | Semiconductor device with PN junction isolation for TTL or ECL circuits | Hiromu Enomoto, Yasushi Yasuda, Akinori Tahara | 1989-12-19 |
| 4689502 | Gate array LSI device using PNP input transistors to increase the switching speed of TTL buffers | Katsuji Hirochi | 1987-08-25 |
| 4567380 | Schmitt trigger circuit | Yasushi Yasuda, Hiromu Enomoto, Akinori Tahara | 1986-01-28 |