Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5139911 | Electrophotographic photoreceptor with two part surface layer | Shigeru Yagi, Masato Ono, Noriyoshi Takahashi, Masayuki Nishikawa, Yuzuru Fukuda | 1992-08-18 |
| 5059501 | Electrophotographic photoreceptor with overlayer of amorphous Si with N | Shigeru Yagi, Masato Ono, Noriyoshi Takahashi, Masayuki Nishikawa, Yuzuru Fukuda | 1991-10-22 |
| 5008170 | Photoreceptor for electrophotography | Shigeru Yagi, Yuzuru Fukuda, Masayuki Nishikawa, Te Nam Roh, Noriyoshi Takahashi +3 more | 1991-04-16 |
| 4965154 | Electrophotographic photoreceptor having surface layers | Shigeru Yagi, Yuzuru Fukuda, Masayuki Nishikawa, Te Nam Roh, Noriyoshi Takahashi +1 more | 1990-10-23 |
| 4923773 | Multilayered electrophotographic photoreceptor of amorphous silicon having a surface layer of nitrogenated amorphous silicon | Shigeru Yagi, Masato Ono, Noriyoshi Takahashi, Masayuki Nishikawa, Yuzuru Fukuda | 1990-05-08 |
| 4755444 | Electrophotographic photoreceptor | Shigeru Yagi | 1988-07-05 |