Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804606 | Electrophotographic sensitized body having a diffusion blocking layer | Kunihiro Tamahashi, Mitsuo Chigasaki | 1989-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804606 | Electrophotographic sensitized body having a diffusion blocking layer | Kunihiro Tamahashi, Mitsuo Chigasaki | 1989-02-14 |