Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5141832 | Electrophotographic photoreceptor with copolymerized polycarbonate resin | Ichiro Takegawa, Kiyokazu Mashimo, Yasuo Sakaguchi | 1992-08-25 |
| 4996125 | Electrophotographic photoreceptor containing a fluorine lubricating agent layer | Yasuo Sakaguchi, Ichiro Takegawa, Masanori Murase | 1991-02-26 |
| 4948687 | Multi-layered squarylium-based positive charge electrophotographic photoreceptor | Masanori Murase, Ichiro Takegawa, Yasuo Sakaguchi | 1990-08-14 |