Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5294510 | Photosensitive member containing specific coumarin fluorescent bleaching agent | Hideaki Ueda, Shigeaki Tokutake, Yuki Shimada | 1994-03-15 |
| 5128228 | Photosensitive member comprising specific aniline derivative | Hideaki Ueda, Mitsutoshi Sakamoto, Yuki Shimada | 1992-07-07 |
| 4945021 | Photosensitive member comprising bisazo pigment | Masakazu Takata, Takamasa Ueda, Yuko Mikasa, Yuki Shimada, Tsuneaki Hirashima +3 more | 1990-07-31 |
| 4871633 | Photosensitive member comprising azo compound having pyridine-n-oxide or pyridazine-n oxide | Masakazu Takata, Takamasa Ueda | 1989-10-03 |
| 4865934 | Fuction divided photosensitive member | Hideaki Ueda, Mitsutoshi Sakamoto | 1989-09-12 |