Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816878 | Negative resistance semiconductor device | Hiroyuki Kano, Nobuhiko Sawaki | 1989-03-28 |
| 4804988 | Instant film pack | Minoru Ono | 1989-02-14 |
MH
Masafumi Hashimoto
Toyota Central R&D Labs: 1 patents #26 of 99Top 30%
Overall (1989): #20,964 of 140,708Top 15%
2
Patents 1989