Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888371 | Bis(2,6-dis-tert-butyl-4-branched propyl or butyl phenyl)-pentaerythritol spiro phosphites and synthetic resin compositions containing such phosphites | Tetsuo Tsuboi, Ryozo Arata | 1989-12-19 |
| 4876706 | Sheet film package | — | 1989-10-24 |
| 4860042 | Film package and device for loading films | Hiroshi Kushima, Sadami Yamada | 1989-08-22 |
| 4853724 | Sheet film package and device for loading sheet films | Motoaki Takahashi, Hideo Watanabe, Takashi Shoji, Noboru Arai | 1989-08-01 |
| 4848764 | Sheet feeding mechanism | Hiroshi Kushima | 1989-07-18 |
| 4828106 | Packaging case for photosensitive sheet films | Mutsuo Akao | 1989-05-09 |
| 4822522 | Hindered phenol amides | Takao Nishina, Kazunori Nishikawa | 1989-04-18 |
| 4799591 | Sheet film package and method and device for loading sheet film | Noboru Arai | 1989-01-24 |