Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851312 | Electrophotographic photoreceptor | Shuji Yoshizawa | 1989-07-25 |
| 4810605 | Electrophotographic superlattice photoreceptor | Shuji Yoshizawa | 1989-03-07 |
| 4804605 | Electrophotographic superlattice photoreceptor | Shuji Yoshizawa | 1989-02-14 |
| 4803141 | Electrophotographic superlattice photoreceptor | Shuji Yoshizawa | 1989-02-07 |
| 4803139 | Electrophotographic photoreceptor | Shuji Yoshizawa | 1989-02-07 |
| 4717637 | Electrophotographic photosensitive member using microcrystalline silicon | Shuji Yoshizawa, Wataru Mitani, Mariko Yamamoto, Akira Sanjoh | 1988-01-05 |
| 4713308 | Electrophotographic photosensitive member using microcrystalline silicon | Shuji Yoshizawa, Wataru Mitani, Mariko Yamamoto, Akira Sanjoh | 1987-12-15 |
| 4678731 | Electrophotographic photosensitive member having barrier layer comprising microcrystalline silicon containing hydrogen | Shuji Yoshizawa, Wataru Mitani, Mariko Yamamoto, Akira Sanjoh | 1987-07-07 |