Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820625 | Direct positive silver halide photographic material | Naomi Saeki, Nobuaki Inoue, Yuji Mihara | 1989-04-11 |
TU
Toshinao Ukai
Overall (1989): #47,892 of 140,708Top 35%
1
Patents 1989