Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42189 | Single-layer type electrophotosensitive material and image forming apparatus using the same | Hiroaki Iwasaki, Yuji Tanaka, Masakatsu Hayashi | 2011-03-01 |
| RE39516 | Single-layer type electrophotosensitive material and image forming apparatus using the same | Hiroaki Iwasaki, Yuji Tanaka, Masakatsu Hayashi | 2007-03-13 |
| 6501922 | Image forming apparatus with a housing diffusing ozone | Mitsuo Ihara, Yukihiro Ito, Hiroaki Iwasaki, Koji Kuramashi | 2002-12-31 |
| 6444385 | Electrophotosensitive material and method of producing the same | Jun Azuma, Mitsuo Ihara, Maki Uchida, Daisuke Kuboshima, Hiromi Nakatsu +1 more | 2002-09-03 |
| 6432595 | Single-layer type electrophotosensitive material and image forming apparatus using the same | Hirofumi Kawaguchi, Yuji Tanaka, Nobuko Akiba | 2002-08-13 |
| 6190812 | Single-layer type electrophotosensitive material and image forming apparatus using the same | Hiroaki Iwasaki, Yuji Tanaka, Masakatsu Hayashi | 2001-02-20 |
| 5843606 | Phenanthrylenediamine derivative | Eiichi Miyamoto, Mikio Kakui, Hideo Nakamori, Yasuyuki Hanatani | 1998-12-01 |
| 5830615 | Naphthylenediamine derivative and electrophotosensitive material using the same | Eiichi Miyamoto, Mikio Kakui, Hideo Nakamori, Tadashi Sakuma, Maki Uchida +4 more | 1998-11-03 |
| 5767315 | Naphthylenediamine derivative | Eiichi Miyamoto, Mikio Kakui, Hideo Nakamori, Tadashi Sakuma, Maki Uchida | 1998-06-16 |