Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859552 | Electrophotographic photoreceptor with superlattice structure | Shuji Yoshizawa | 1989-08-22 |
| 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 |
| 4803139 | Electrophotographic photoreceptor | Shuji Yoshizawa | 1989-02-07 |
| 4803141 | Electrophotographic superlattice photoreceptor | Shuji Yoshizawa | 1989-02-07 |