Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4770986 | Photographic silver halide element containing a carboxylated polyethylene layer | Akira Uno, Masashi Kubbota, Akira Ninohira, Masaoki Nozaki | 1988-09-13 |
| 4737440 | Photographic materials | Akira Uno, Yasuhiro Aizawa, Akira Ninohira | 1988-04-12 |