Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888623 | Semiconductor device with PN junction isolation for TTL or ECL circuits | Hiromu Enomoto, Yasushi Yasuda, Akinori Tahara | 1989-12-19 |
YS
Yoshiki Shimauchi
Overall (1989): #40,295 of 140,708Top 30%
1
Patents 1989