Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5938980 | Phthalocyanine composition, process for preparing the same, electrophotographic photoreceptor using the same and coating solution for charge generation layer containing the same | Yoshii Morishita, Megumi Matsui, Shigeru Hayashida, Takayuki Akimoto | 1999-08-17 |
| 5837411 | Phthalocyanine electrophotographic photoreceptor for charge generation layer | Yoshii Morishita, Megumi Matsui, Shigeru Hayashida, Takayuki Akimoto | 1998-11-17 |
| 5626999 | Phthalocyanine composition, process for preparing the same and electrophotographic photoreceptor using the same | Shigeru Hayashida, Megumi Matsui, Hiroko Ishikawa, Yoshii Morishita, Takayuki Akimoto | 1997-05-06 |
| 5534375 | Composition for forming charge transport layer and electrophotographic member containing alkoxybenzene | Susumu Kaneko, Kouji Ohkoshi, Keiichi Endo, Seiji Miyaoka, Megumi Matsui +2 more | 1996-07-09 |
| 5496672 | Coating solution for charge generation layer and electrophotographic photoreceptor using same | Takayuki Akimoto, Shigeru Hayashida, Megumi Matsui | 1996-03-05 |
| 5494767 | Phthalocyanine composition, process for preparing the same and electrophotographic photoreceptor using the same | Shigeru Hayashida, Megumi Matsui, Hiroko Ishikawa, Yoshii Morishita, Takayuki Akimoto | 1996-02-27 |
| 5449581 | Phthalocyanine composition, process for preparing the same, electrophotographic photoreceptor using the same and coating solution for charge generation layer containing the same | Megumi Matsui, Shigeru Hayashida, Takayuki Akimoto | 1995-09-12 |
| 5304445 | Phthalocyanine composition, process for preparing the same and electrophotographic photoreceptor using the same | Shigeru Hayashida, Megumi Matsui, Hiroko Ishikawa, Yoshii Morishita, Takayuki Akimoto | 1994-04-19 |