Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9002250 | Fixing device and image forming apparatus | Mitsuhiro Matsumoto, Yasuhiro Uehara, Kazuyoshi Ito, Kenji Sawai | 2015-04-07 |
| 7433642 | Fixing member, fixing device and image forming device with metal layers having different specific resistances | Shigeo Ohta, Makoto Omata, Masato Saitou | 2008-10-07 |
| 6020426 | Charge-transporting copolymer, method of forming charge-transporting copolymer, electrophotographic photosensitive body, and electrophotographic device | Yasuhiro Yamaguchi, Fumiaki Tambo, Taketoshi Hoshizaki, Yasuo Sakaguchi, Ryosaku Igarashi +1 more | 2000-02-01 |
| 5948579 | Electrophotographic photosensitive material | Kiyokazu Mashimo, Toru Ishii, Katsumi Nukada, Masahiro Iwasaki, Fumio Ojima | 1999-09-07 |
| 5635327 | Electrophotographic photoreceptor and process for preparing the same | Yuzuru Fukuda, Shigeru Yagi | 1997-06-03 |
| 5592274 | Electrophotographic apparatus and process for simultaneously transferring and fixing toner image onto transfer paper | Shigeru Yagi, Yuzuru Fukuda, Masato Ono, Masao Watanabe, Tsuyoshi Ohta | 1997-01-07 |
| 5556729 | Negatively chargeable electrophotographic photoreceptor | Yuzuru Fukuda, Tsuyoshi Ohta, Masato Ono, Shigeru Yagi | 1996-09-17 |
| 5462827 | Electrophotographic photoreceptor and electrophotographic process | Shigeru Yagi, Masato Ono, Tsuyoshi Ohta, Yuzuru Fukuda | 1995-10-31 |
| 5447812 | Electrophotographic photoreceptor and process for preparing the same | Yuzuru Fukuda, Shigeru Yagi | 1995-09-05 |
| 5422177 | Polysiloxane dielectric member for carrying electrostatic latent image | Yuzuru Fukuda, Shigeru Yagi, Masato Ono | 1995-06-06 |
| 5422209 | Electrophotographic photoreceptor having a photoconductive layer of amorphous silicon and surface layer | Masato Ono, Masao Watanabe, Masaki Yokoi, Yuzuru Fukuda, Shigeru Yagi | 1995-06-06 |
| 5352555 | Electrophotographic photoreceptor and electrophotographic process therefor | Shigeru Yagi, Tsuyoshi Ohta, Masao Watanabe, Kazuo Yano, Masato Ono +1 more | 1994-10-04 |
| 5334476 | Electrophotographic process for simultaneously transferring and fixing an image | Shigeru Yagi, Yuzuru Fukuda, Masato Ono, Masaki Yokoi, Masao Watanabe | 1994-08-02 |
| 5324609 | Photoreceptor with polymer overlayer having siloxane and imide moieties | Shigeru Yagi, Yuzuru Fukuda, Masato Ono, Masaki Yokoi, Masao Watanabe | 1994-06-28 |
| 5183719 | Electrophotographic material having an amorphous silicon photoconductive layer, an intermediate layer and a surface layer | Shigeru Yagi, Yuzuru Fukuda, Masaki Yokoi | 1993-02-02 |