Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7450883 | Film loader for an image forming apparatus | Akira Asaoka, Isao Nakajima, Akihiko Yamazaki | 2008-11-11 |
| 7336917 | Film loader for an image forming apparatus | Akira Asaoka, Isao Nakajima, Akihiko Yamazaki | 2008-02-26 |
| 7295794 | Film loader for an image forming apparatus | Akira Asaoka, Isao Nakajima, Akihiko Yamazaki | 2007-11-13 |
| 6947698 | Fixing apparatus of electrophotographic printer | Sho Sawahata, Isao Nakajima, Tsukasa Onose, Ken Onodera, Yasuhide Nakazawa | 2005-09-20 |
| 6927875 | Printing system and printing method | Hiroshi Ueno, Isao Nakajima | 2005-08-09 |
| 6650864 | Printing system | Atsushi Miyamoto, Masahiro Mizuno, Soushi Kikuchi, Souichi Nakazawa, Toru Kikuchi +1 more | 2003-11-18 |
| 6601951 | Printers and printing method | Akitomo Kuwabara, Isao Nakajima, Katsumi Ishizawa | 2003-08-05 |
| D469462 | Heater lamp unit for fixing toner in an image forming apparatus | Ken Onodera, Sho Sawahata | 2003-01-28 |
| 6496672 | Image production apparatus | Kenji Asuwa, Kazutaka Sato, Satoshi Shirasawa, Isao Nakajima, Yukio Otome | 2002-12-17 |
| 6442360 | Lamp holder, and lamp cartridge using the same and fixing unit using the same | Ken Onodera, Sho Sawahata, Kunitomo Takahashi | 2002-08-27 |
| 6393248 | Fixing device of image forming apparatus and fixing roller | Teruaki Tsurusaki, Kunitomo Takahashi, Sho Sawahata, Ken Onodera | 2002-05-21 |
| 6285854 | Image recording apparatus | Shigeru Obata, Hidefumi Ohtsuka, Isao Nakajima, Akitomo Kuwabara | 2001-09-04 |
| 6130408 | Recording apparatus with conveyed recording sheet heated by movable heater | Hiromitsu Fukuda, Hidefumi Ohtsuka, Chikara Hiraoka, Isao Nakajima, Yoji Hirose +1 more | 2000-10-10 |
| 6104907 | Image recording apparatus which prevents variation in speed of a recording medium and reduces shift values thereof | Shigeru Obata, Hidefumi Ohtsuka, Isao Nakajima, Akitomo Kuwabara | 2000-08-15 |
| D420042 | Cleaning member for fixing roller in an image forming apparatus | Tomomichi Kawashima, Kunitomo Takahashi, Tsukasa Onose, Hiroshi Hakuta | 2000-02-01 |
| 5995130 | Laser beam scanning apparatus and method providing controllable print density | Kazuhiro Akatsu, Susumu Saito, Keiji Kataoka, Koji Doi, Masahiro Mizuno | 1999-11-30 |
| 5881348 | Release agent supplying member, release agent supplying apparatus and fixing apparatus using the same | Ken Onodera, Kunitomo Takahashi, Hiroshi Ueno, Sho Sawahata, Tetsuya Ohba | 1999-03-09 |
| 5862436 | Fixing apparatus and method for electrophotographic apparatus including temperature detecting mechanism for heat roller | Katsumi Ishizawa, Satoshi Aita, Isao Watanabe, Hidenori Takayasu, Hiroshi Udo | 1999-01-19 |
| 5842098 | Fixing apparatus and fixing method for electrophotographic apparatus | Hiroshi Ueno, Kunitomo Takahashi, Sho Sawahata, Ken Onodera, Tetsuya Ohba | 1998-11-24 |
| 5805953 | Method and apparatus for indicating time for exchanging toner recovery container of electrographic apparatus | Toru Kikuchi, Satoshi Aita, Isao Watanabe, Hidenori Takayasu | 1998-09-08 |
| 5802444 | Electrophotographic apparatus for a continuous strip of paper sheets fixed by a heat fixing unit | Youichi Takeuchi, Akihiko Yamazaki, Kunitomo Takahashi, Isao Nakajima, Kazuhiro Shimojima +2 more | 1998-09-01 |
| 5774777 | Continuous recording medium friction-conveying mechanism in image forming apparatus | Hidefumi Ohtsuka, Shigeru Obata, Junichi Matsuno, Yasuyuki Tsuji, Isao Nakajima +2 more | 1998-06-30 |
| 5745817 | Electrophotographic apparatus and paper detector thereof and paper detecting method thereof | Akihiko Yamazaki, Kunitomo Takahashi, Youji Hirose, Hidenori Iwanaga | 1998-04-28 |
| 5652949 | Preheating controller for a two-stage electrophotographic printing system | Hiroyuki Ogawa, Hiroshi Hakuta, Takao Chikuzenya, Isao Nakajima, Hiroshi Ueno | 1997-07-29 |
| 5606403 | Toner supply control system for an electrophotographic apparatus | Toru Kikuchi, Isao Watanabe, Satoshi Aita, Hidenori Takayasu, Shigeo Nemoto +4 more | 1997-02-25 |