Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898897 | Process for producing polyester resin composition | Kazuto Kiyohara, Toshiaki Yamazaki, Ichiya Harada, Kentaro Noguchi, Michiteru Nakano +2 more | 1990-02-06 |
| 4877819 | Process for producing polyester resin composition | Kazuto Kiyohara, Toshiyuki Hagiwara, Ichiya Harada, Kentaro Noguchi, Shigeru Sakae +1 more | 1989-10-31 |
| 4699744 | Method of manufacturing a photographic reflecting support | Kazuto Kiyohara, Ichiya Harada | 1987-10-13 |
| 4628025 | Polyester support for photographic use | Toshiki Komaita, Yoshiyuki Funabashi, Kazuto Kiyohara | 1986-12-09 |
| 4609617 | Polyester film support having epoxy copolymer coating for photographic use | Toshiaki Yamazaki, Kenichi Kitahara, Morio Kobayashi, Noboru Fujimori, Ryuji Shimosaki | 1986-09-02 |
| 4571379 | Photographic polyester supports with copolymer subbing layer | Toshiaki Yamazaki, Kenichi Kitahara, Noboru Fujimori, Morio Kobayashi, Ryuji Shimosaki | 1986-02-18 |
| 4328283 | Photographic polyester supports subjected to subbing treatment | Naoto Abe, Kenichi Kitahara, Hironobu Nakao | 1982-05-04 |