Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9964903 | Fixing device that can suppress variation in temperature, and image forming apparatus having the fixing device | Noboru Furuyama, Yuki Kawashima | 2018-05-08 |
| 9864312 | Fixing device that can suppress variation in temperature, and image forming apparatus having the fixing device | Noboru Furuyama, Yuki Kawashima | 2018-01-09 |
| 9832328 | Character recognition apparatus and character recognition method | Naomi Nakane, Setsuo Takada, Noboru Furuyama, Masaya Tanaka, Hiroshi Katakura +3 more | 2017-11-28 |
| 9250584 | Fixer that forms a nip with an induction-heated belt and an image forming apparatus having the same | Satoshi Itaya, Yoshiki Kogiso | 2016-02-02 |
| 9081050 | Semiconductor device and test method | Akihiko Okutsu, Hitoshi Saito | 2015-07-14 |
| 8633571 | Semiconductor device and test method | Akihiko Okutsu, Hitoshi Saito | 2014-01-21 |
| 7496304 | Color image forming apparatus and color image forming method having overlapping toners | Masatsugu Hirayama | 2009-02-24 |
| 7233748 | Color image forming apparatus and color image forming method having overlapping toners | Masatsugu Hirayama | 2007-06-19 |
| 6643478 | Fixing device and temperature control method in fixing device | — | 2003-11-04 |
| 6625418 | Image forming apparatus, method for forming image, and fixing device | Takahito Kabai | 2003-09-23 |
| 5692232 | Electrophotographic apparatus that prevents toner from attaching to a contact member of a transfer device | Hiroshi Hashizume, Hirotaka Fukuyama, Kouichirou Satou, Tetsuya Nakamura, Satoshi Katagata +4 more | 1997-11-25 |
| 5669053 | Roller transfer device and transfer roller manufacturing method | Hiroshi Hashizume | 1997-09-16 |
| 5655178 | Electrophotographic apparatus having cleaning device and developing device configured to prevent toner leakage | Masaaki Ishikawa, Michihisa Iguchi, Hiroshi Hashizume, Tetsuya Nakamura, Kouichirou Satou +6 more | 1997-08-05 |
| 5600417 | Developing device for electrophotographic apparatus | Michihisa Iguchi, Hiroshi Hashizume, Seiji Arai, Chinobu Sakai, Hirotaka Fukuyama +4 more | 1997-02-04 |
| 5537192 | Transfer roller and toner for electrophotographic apparatus | Michihisa Iguchi, Hiroshi Hashizume, Seiji Arai, Chinobu Sakai, Hirotaka Fukuyama +4 more | 1996-07-16 |
| 5488462 | Electrophotographic apparatus having developing device with seals for preventing toner leakage | Masaaki Ishikawa, Michihisa Iguchi, Hiroshi Hashizume, Tetsuya Nakamura, Kouichirou Satou +6 more | 1996-01-30 |
| 5438397 | Image forming apparatus | Tetsuya Nakamura | 1995-08-01 |
| 5420668 | Image forming apparatus | — | 1995-05-30 |
| 5412364 | Toner pack and development device for use in electrophotographic apparatus | Michihisa Iguchi, Hiroshi Hashizume, Seiji Arai, Chinobu Sakai, Hirotaka Fukuyama +4 more | 1995-05-02 |
| 5404213 | Electrophotographic printing apparatus capable of printing images by electrophotographic processing and its start-up method | Kouichirou Satou, Tetsuya Nakamura | 1995-04-04 |
| 5162893 | Semiconductor integrated circuit device with an enlarged internal logic circuit area | — | 1992-11-10 |
| 4827160 | Dynamic decoder circuit with charge-sharing prevention means | — | 1989-05-02 |