Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875002 | Method of testing semiconductor wafers | Hiroshi Tsugita | 1989-10-17 |
| 4804597 | Organic electrolyte cell | Kensuke Tahara | 1989-02-14 |
HS
Hideo Sakamoto
Seiko Electronic Components: 1 patents #6 of 15Top 40%
Overall (1989): #25,649 of 140,708Top 20%
2
Patents 1989