Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863823 | Electrophotographic member with the surface layer having a fluorine type resin powder and a fluorine type block polymer | Masaaki Hiro, Tomohiro Kimura, Toshiyuki Yoshihara, Masaru Nakagawa | 1989-09-05 |
| 4860898 | Packaging arrangement for electrophotographic photosensitive member | Masaaki Hiro, Masaru Nakagawa, Koji Yamazaki | 1989-08-29 |