Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886977 | Photoelectric converter provided with voltage dividing means | Ihachiro Gofuku, Yoshiyuki Osada, Katsumi Nakagawa, Katsunori Hatanaka, Toshihiro Saika | 1989-12-12 |
NK
Noriyuki Kaifu
Overall (1989): #72,975 of 140,708Top 55%
1
Patents 1989