Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825684 | Method of testing semiconductor pressure sensor | Masanori Nishiguchi, Ichiro Sogawa | 1989-05-02 |
KS
Katsuyoshi Sunago
Overall (1989): #89,671 of 140,708Top 65%
1
Patents 1989