Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851887 | Solid state imager device | — | 1989-07-25 |
| 4840491 | Rubber kneading method | Hiromi Ishida, Takeyoshi Takahashi | 1989-06-20 |
YH
Yoshiaki Hagiwara
Sony: 1 patents #128 of 577Top 25%
Overall (1989): #12,538 of 140,708Top 9%
2
Patents 1989