Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4770986 | Photographic silver halide element containing a carboxylated polyethylene layer | Akira Uno, Masashi Kubbota, Akira Ninohira, Toshihiko Ueoka | 1988-09-13 |
| 4519873 | Process for producing fibrous sheet | Masahiro Amano, Shunji Seino, Ryota Nishiyama | 1985-05-28 |
| 4259398 | Electrical insulating material | Shunji Seino, Ryota Nishiyama | 1981-03-31 |