Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6365309 | Photosensitive member for electrophotography with specic surface protective layer | Shigeaki Tokutake, Keiichi Inagaki, Teiko Edo | 2002-04-02 |
| 6120955 | Substrate for photosensitive member, photosensitive member, production method thereof and image forming apparatus using the photosensitive member | Shigeaki Tokutake, Teiko Yamaguchi, Keiichi Inagaki | 2000-09-19 |
| 5860045 | Image forming method | Hiroshi Sakai | 1999-01-12 |
| 5128228 | Photosensitive member comprising specific aniline derivative | Hideaki Ueda, Kimiyuki Ito, Yuki Shimada | 1992-07-07 |
| 4999267 | Photosensitive member having phthalocyanine compound and additive | — | 1991-03-12 |
| 4988592 | Photosensitive member containing phthaloperinone or naphthalimide | — | 1991-01-29 |
| 4865934 | Fuction divided photosensitive member | Hideaki Ueda, Kimiyuki Ito | 1989-09-12 |