Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12023813 | Control system, control method, and control unit | Tetsuya Akagi, Kazunori Osako, Xiaoguang Ning, Kazuma Mishima | 2024-07-02 |
| 10085001 | Method and apparatus for detecting and mitigating mechanical misalignments in an optical system | John Drinkard, Ambrish Tyagi | 2018-09-25 |
| 9625847 | Electrostatic charge image developing carrier, electrostatic charge image developer, developer cartridge, process cartridge, and image forming apparatus | Hiroshi Kamada, Yosuke Tsurumi | 2017-04-18 |
| 9513570 | Electrostatic charge image developer, developer cartridge, process cartridge, and image forming apparatus | Yosuke Tsurumi, Hiroshi Kamada | 2016-12-06 |
| 8715899 | Carrier for two-component developer, two-component developer, image forming method, and image forming apparatus | Norihito Fukushima, Toshiaki Hasegawa | 2014-05-06 |
| 8603716 | Electrostatic image developing carrier, electrostatic image developer, process cartridge, image forming method and image forming apparatus | Akihiro Iizuka, Yosuke Tsurumi, Fusako Kiyono | 2013-12-10 |
| 8580475 | Electrostatic charge image developing carrier, method of producing electrostatic charge image developing carrier, electrostatic charge image developing developer, process cartridge, image forming apparatus, and image forming method | Toshiaki Hasegawa | 2013-11-12 |
| 8455168 | Electrophotographic developer, developer cartridge, process cartridge, and image forming apparatus | Fusako Kiyono, Sakon Takahashi, Toshiaki Hasegawa | 2013-06-04 |
| 8389192 | Electrophotographic carrier, electrophotographic developer, process cartridge and image forming device | Fusako Kiyono, Yosuke Tsurumi, Akihiro Iizuka | 2013-03-05 |
| 8337164 | Turbomolecular pump | Tetsuro Ohbayashi | 2012-12-25 |
| 8318399 | Electrostatic charge image development carrier, electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method | Toshiaki Hasegawa, Sakon Takahashi, Fusako Kiyono | 2012-11-27 |
| 8238617 | Vehicle operation control device and method, as well as, program | Yasumichi Omoto, Shunji Ota, Hiroyoshi Koitabashi | 2012-08-07 |
| 7892717 | Toner for electrostatic image development, electrostatic image developer and image forming method using the same | Shuji Sato, Hiroshi Nakazawa, Masanobu Ninomiya, Eiji Kawakami, Atsushi Sugawara +1 more | 2011-02-22 |
| 7618761 | Toner for electrostatic image development, manufacturing method thereof, electrostatic image developer and image forming method | Hiroshi Nakazawa, Masanobu Ninomiya, Shuji Sato, Eisuke Iwazaki | 2009-11-17 |
| 6735074 | Chip capacitor | Ryuji Nakamura, Yoshihito Suizu, Morihiro Fukuda, Sunao Matsunaga | 2004-05-11 |
| 6440627 | Toner for developing electrostatic image, process for preparation of the same, developer for electrostatic image, and process for forming image | Shuji Sato, Takao Ishiyama, Manabu Serizawa, Masaaki Suwabe, Yasuo Matsumura | 2002-08-27 |
| 6391510 | Toner for developing electrostatic latent image, process for producing the same, developer and process for producing image | Takao Ishiyama, Manabu Serizawa, Yasuo Matsumura, Hideo Maehata | 2002-05-21 |
| 6333131 | Toner for the development of electrostatic image, process for the preparation thereof, electrostatic image developer, and process for the formation of image | Takao Ishiyama, Manabu Serizawa, Shuji Sato, Takashi Inukai | 2001-12-25 |
| 6329114 | Electrostatic image developing toner, production method thereof, electrostatic image developer and image-forming process | Yukiko Watanabe, Takao Ishiyama, Manabu Serizawa, Yasuo Matsumura | 2001-12-11 |
| 6294302 | Toner for developing static image, developer for developing static image, and image forming method | Manabu Serizawa, Takao Ishiyama, Yukiko Watanabe, Hideo Maehata | 2001-09-25 |
| 6132921 | Toner for electrostatic-charged image developer and production method thereof, electrostatic-charged image developer, and image-forming process | Takao Ishiyama, Manabu Serizawa, Yukiko Watanabe, Yasuo Matsumura | 2000-10-17 |
| 6080519 | Toner for developing electrostatic charge and process for producing same, developer and process for forming image | Takao Ishiyama, Manabu Serizawa, Atsuhiko Eguchi, Yasuo Matsumura | 2000-06-27 |
| 6022662 | Toner for developing electrostatic images, method of producing toner for developing electrostatic images, electrostatic image developer | Yasuo Matsumura, Manabu Serizawa, Masaaki Suwabe, Shuji Sato, Yasuo Kadokura +2 more | 2000-02-08 |
| 5998078 | Method of preparing toner for electrostatic charge image development, toner for electrostatic charge image development, electrostatic charge image developer, and image forming method | Masaaki Suwabe, Yasuo Matsumura, Manabu Serizawa, Shuji Sato, Yasuo Kadokura +2 more | 1999-12-07 |
| 5910389 | Method for producing toner for developing images of electrostatic charge, toner for developing images of electrostatic charge, developer for images of electrostatic charge and method for forming images | Yasuo Matsumura, Manabu Serizawa, Masaaki Suwabe, Shuji Sato, Yasuo Kadokura +2 more | 1999-06-08 |