Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6169870 | Color image forming apparatus and belt unit and image forming unit thereof | Kenji Asakura, Masanori Yoshikawa | 2001-01-02 |
| 6157799 | Color image forming apparatus, image forming unit therefor, and transfer belt unit therefor | Kenji Asakura, Masanori Yoshikawa | 2000-12-05 |
| 6122474 | Color image forming apparatus and belt unit and image forming unit thereof | Kenji Asakura, Masanori Yoshikawa | 2000-09-19 |
| 6035158 | Image forming apparatus and belt unit thereof | Kenji Asakura, Yasutaka Tamai, Keizou Takeuchi, Masanori Yoshikawa, Hiromichi Miyoshi | 2000-03-07 |
| 5956552 | Color image forming apparatus comprising a regular mode and a high speed mode | Hiroshi Terada, Hajime Yamamoto, Masanori Yoshikawa, Kenji Asakura | 1999-09-21 |
| 5809380 | Color image forming apparatus with plural color units | Masanori Yoshikawa, Kenji Asakura, Masahiro Aizawa | 1998-09-15 |
| 5583618 | Process cartridge and image generating apparatus | Keizou Takeuchi, Kouzou Ezawa, Shouji Nishitani, Manabu Kitajima, Hiroshi Yasumoto | 1996-12-10 |
| 5526099 | Developing device and an image forming apparatus using the same | — | 1996-06-11 |
| 5457517 | Image forming apparatus having a plurality of support surfaces | Masahiro Aizawa, Shunji Onobori, Teruyuki Naka | 1995-10-10 |
| 5434651 | Image forming apparatus and a charging device | Masahiro Aizawa | 1995-07-18 |
| 5381214 | Electrophotographic charging device | Akira Kumon, Katsutoshi Ogawa, Masaichiro Tatekawa, Hitoshi Hisada, Junichi Nawama +1 more | 1995-01-10 |
| 5367322 | Thermal recording apparatus | Atsushi Sogami, Yoshikawa Masanori, Kouji Ikeda | 1994-11-22 |
| 5345297 | Developing apparatus | Masanori Yoshikawa | 1994-09-06 |
| 5263781 | Thermal transfer printing method and printing apparatus employed therefor | Soichiro Mima, Kouji Ikeda | 1993-11-23 |
| 5168289 | Thermal transfer recording apparatus having intermediate transfer medium | Atsushi Sogami, Masanori Yoshikawa | 1992-12-01 |
| 4810111 | Resistive ribbon thermal transfer printing apparatus | Atsushi Sogami, Tetsuhiro Sano, Orio Yoshii | 1989-03-07 |
| 4748463 | Printing apparatus | — | 1988-05-31 |
| 4743976 | Image read apparatus with reciprocating document placing plate | Yuji Nakamura, Atsushi Sogami, Yoshio Horiike | 1988-05-10 |
| 4558964 | Print element and printing apparatus using same | Shuichi Watanabe, Takehisa Takamiya, Hiroaki Takase, Orio Yoshii | 1985-12-17 |
| 4550302 | Solenoid | Shuichi Watanabe | 1985-10-29 |
| 4461588 | Serial printing mechanism | Shuichi Watanabe, Toshiharu Sasaki | 1984-07-24 |
| 4279006 | Magnetic tape recording and/or reproducing apparatus | Toshiharu Sasaki, Yoshihiro Yokoyama | 1981-07-14 |
| 4189226 | Electrophotographic apparatus for developing an electrostatic latent image on a slide film | Isao Yamaguchi, Masaru Onishi | 1980-02-19 |