Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4619880 | Electrophotographic light sensitive material contains hydrazone compound | Naonori Makino, Hideo Sato | 1986-10-28 |
| 4619881 | Photoconductive composition and electro-photographic light-sensitive material containing a trisazo compound | Naonori Makino, Hideo Sato | 1986-10-28 |
| 4612271 | Photosensitive composition comprising azo compounds | Naonori Makino, Hideo Sato | 1986-09-16 |
| 4598033 | Photoconductive compositions comprising a disazo compound | Kouichi Kawamura, Naonori Makino, Hideo Sato | 1986-07-01 |
| 4594304 | Electrophotographic light-sensitive hydrazone material | Shu Watarai | 1986-06-10 |
| 4594303 | Electrophotographic photoreceptor | Masayoshi Nagata, Junji Nakano, Hideo Sato | 1986-06-10 |
| 4568623 | Photoconductive compositions containing novel disazo compounds and electrophotographic photoreceptors using the same | Naonori Makino, Kouichi Kawamura, Hideo Sato | 1986-02-04 |
| 4557988 | Disazo compounds, photoconductive compositions and electrophotographic light-sensitive materials containing the same | Kouichi Kawamura, Naonori Makino, Hideo Sato | 1985-12-10 |
| 4535045 | Electric light-sensitive material containing a novel vinylidene chloride copolymer | Kouichi Kawamura, Hideo Sato | 1985-08-13 |
| 4533613 | Disazo compounds and photoconductive composition as well as electrophotographic light sensitive element containing the same | Kouichi Kawamura, Naonori Makino, Hideo Sato | 1985-08-06 |
| 4508805 | Disazo compounds, photoconductive compositions and electrophotographic light-sensitive materials containing the same | Kouichi Kawamura, Naonori Makino, Hideo Sato | 1985-04-02 |
| 4504559 | Disazo compounds and photoconductive composition as well as electrophotographic light sensitive element containing the same | Naonori Makino, Kouichi Kawamura, Hideo Sato | 1985-03-12 |
| 4500622 | Electrophotographic light-sensitive printing materials | Junji Nakano, Masayoshi Nagata, Hideo Sato | 1985-02-19 |
| 4477550 | Electrophotographic photoreceptor with hydrazone | Masayoshi Nagata, Junji Nakano, Hideo Sato | 1984-10-16 |
| 4476208 | Compounds having barbituric acid or thiobarbituric acid residue, photoconductive compositions and electrophotographic light sensitive materials containing the compounds as charge generating materials | Junji Nakano, Hideo Sato | 1984-10-09 |
| 4469768 | Electrophotographic light-sensitive material comprising a charge-generating material and a charge-transporting material | Masayoshi Nagata, Junji Nakano, Hideo Sato | 1984-09-04 |
| 4450219 | Electrophotographic photoreceptor with thiobarbituric acid derivative | Junji Nakano, Hideo Sato | 1984-05-22 |
| 4423130 | Electrophotographic light-sensitive hydrazone materials | Junji Nakano, Hideo Sato | 1983-12-27 |
| 4403025 | Electrophotographic photoreceptor | Masayoshi Nagata, Junji Nakano, Hideo Sato | 1983-09-06 |
| 4396694 | Organic electrophotographic sensitive materials | Masayoshi Nagata, Junji Nakano, Hideo Sato | 1983-08-02 |
| 4395473 | Electrophotographic sensitive materials containing barbituric acid or thiobarbituric acid derivaties | Masayoshi Nagata, Junji Nakano, Hideo Sato | 1983-07-26 |
| 4363829 | Process for forming an electrically conductive film | Osamu Seshimoto, Hirotsugu Nomaguchi, Hideo Sato, Masaaki Takimoto, Kikuo Kubotera | 1982-12-14 |
| 4341853 | Spectral sensitization of organic photoconductors with diazastryl dyes | Hideo Sato | 1982-07-27 |
| 4334001 | Azacyanine spectra sensitized organic photoconductive compositions and elements | Hideo Sato | 1982-06-08 |