Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4774161 | Light-sensitive composition with polyvinyl acetal resin and diazo resin salt of long chain aliphatic benzene sulfonate | Roahiaki Aoai, Kazuo Maemoto, Akihiko Kamiya | 1988-09-27 |
| 4741985 | Light-sensitive composition comprising a diazonium salt condensate and a modified polyvinyl acetal polymer. | Toshiaki Aoai, Kazuo Maemoto, Akihiko Kamiya | 1988-05-03 |
| 4617250 | Light-sensitive diazo composition with acidic compounds for use with lithographic printing plates | Eiji Nakakita, Akinobu Koike, Hiroshi Misu, Nobuyuki Kita | 1986-10-14 |
| 4581313 | Photosensitive composition with polymer having diazonium salt in side chain | Junji Minamizono | 1986-04-08 |
| 4578342 | Presensitized diazo lithographic plate with anodized and silicated aluminum plate surface and subbing layer of polymer with sulfonic acid group | — | 1986-03-25 |
| 4576893 | Presensitized lithographic printing plate precursor | Eiji Nakakita, Akinobu Koike, Hiroshi Misu, Nobuyuki Kita | 1986-03-18 |
| 4557994 | Light-sensitive printing plate with patterned matting layer | Teruo Nagano, Eiji Nakakita | 1985-12-10 |