Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5290649 | Electrophotographic photoreceptor comprising a photosensitive layer containing a naphthylhydrazone compound | Hitoshi Ono, Osamu Ando | 1994-03-01 |
| 4987045 | Photosensitive member for electrophotography | Tetsuo Murayama, Hitoshi Ono, Osamu Ando | 1991-01-22 |
| 4795687 | Electrically conductive material and a process for the preparation of same and secondary battery using the electrically conductive material | Kazumi Hasegawa, Osamu Ando, Nobuhiro Furukawa, Koji Nishio | 1989-01-03 |
| 4791194 | AZO compound photoreceptor having napthol substiuents | Tetsuo Murayama, Hitoshi Ono, Shinji Aramaki, Michiyo Yokoyama | 1988-12-13 |
| 4734348 | Photosensitive member for electrophotography containing polyvinyl acetal | Tetsuo Murayama, Shinji Aramaki | 1988-03-29 |
| 4731311 | Electrically conductive material and secondary battery using the electrically conductive material | Kazumi Hasegawa, Nobuhiro Furukawa, Koji Nishio, Masahisa Fujimoto, Noriyuki Yoshinaga | 1988-03-15 |
| 4725519 | Dual layer electrophotographic photoreceptor comprises titanium phthalocyanine charge generator and hydrazone charge transport materials | Tetsuo Murayama, Hitoshi Ono, Shigenori Otsuka, Mamoru Nozomi | 1988-02-16 |
| 4664997 | Crystalline oxytitanium phthalocyanine and photoreceptor for use in electrophotography | Tetsuo Murayama, Hitoshi Ono, Shigenori Otsuka, Mamoru Nozomi | 1987-05-12 |
| 4618555 | Electrophotographic photoreceptor comprising azo compounds | Tetsuo Murayama, Hitoshi Ono, Shinji Aramaki, Michiyo Yokoyama | 1986-10-21 |
| 4485160 | Electrophotographic hydrazone plate | Tetsuo Murayama, Hitoshi Ono, Shinji Aramaki | 1984-11-27 |
| 4387061 | Process for preparing phosphinic acid derivatives of aminothio methylcarbamates | Naoshi Imaki, Takemi Nakanome | 1983-06-07 |