Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5262262 | Electrophotographic photoreceptor having conductive layer and amorphous carbon overlayer | Shigeru Yagi, Masayuki Nishikawa, Ken-ichi Karakida, Masahito Tokuhiro, Yuzuru Fukuda +1 more | 1993-11-16 |
| 5008170 | Photoreceptor for electrophotography | Kenichi Karakida, Shigeru Yagi, Yuzuru Fukuda, Masayuki Nishikawa, Noriyoshi Takahashi +3 more | 1991-04-16 |
| 4965154 | Electrophotographic photoreceptor having surface layers | Kenichi Karakida, Shigeru Yagi, Yuzuru Fukuda, Masayuki Nishikawa, Noriyoshi Takahashi +1 more | 1990-10-23 |
| 4932859 | Electrophotographic photoreceptor having doped and/or bilayer amorphous silicon photosensitive layer | Shigeru Yagi, Masayuki Nishikawa, Ken-ichi Karakida, Masahito Tokuhiro, Noriyoshi Takahashi +1 more | 1990-06-12 |