Issued Patents All Time
Showing 26–50 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7517627 | Toner, image forming method and process-cartridge | Ryota Kashiwabara | 2009-04-14 |
| 7343948 | Pneumatic tire for two-wheeled motor vehicles | — | 2008-03-18 |
| 7214460 | Yellow toner | Atsushi Ishii, Takaaki Kotaki | 2007-05-08 |
| 7090951 | Toner, method for forming a full-color image, and process cartridge | Atsushi Ishii | 2006-08-15 |
| 7056634 | Yellow toner | Atsushi Ishii, Takaaki Kotaki | 2006-06-06 |
| 7026086 | Toner, image forming method and process-cartridge | Ryota Kashiwabara | 2006-04-11 |
| 6846601 | Negatively chargeable toner, image-forming method and process cartridge | Minoru Shimojo | 2005-01-25 |
| 6703176 | Toner, process for producing toner image forming method and apparatus unit | Takeshi Naka, Yuichi Mizoo, Masami Azuma, Takashige Kasuya, Tadashi Dojo +4 more | 2004-03-09 |
| 6653038 | Toner, image forming method and process cartridge | Junko Yoshikawa, Ryota Kashiwabara | 2003-11-25 |
| 6613490 | Toner, image forming method and process-cartridge | Yuichi Mizoh, Junko Yoshikawa, Ryota Kashiwabara | 2003-09-02 |
| 6593052 | Toner, image forming method and process cartridge | Junko Yoshikawa, Yuichi Mizoo, Tadashi Dojo, Nene Shibayama, Ryota Kashiwabara | 2003-07-15 |
| 6586151 | Toner, process for producing toner image forming method and apparatus unit | Takeshi Naka, Yuichi Mizoo, Masami Azuma, Takashige Kasuya, Tadashi Dojo +4 more | 2003-07-01 |
| 6447970 | Toner containing aluminum benzilic acid compound and image forming method | Manabu Ohno, Koji Inaba, Satoshi Handa, Ryota Kashiwabara | 2002-09-10 |
| 6232027 | Toner having negative triboelectric chargeability and image forming method | Toshiaki Nakahara, Yuichi Mizoh, Hirohide Tanikawa, Minekazu Endo, Tadashi Doujo +1 more | 2001-05-15 |
| 6156470 | Toner having negative triboelectric chargeability and image forming method | Hirohide Tanikawa, Minekazu Endo | 2000-12-05 |
| 6040103 | Toner for developing electrostatic image and image forming method | Manabu Ohno, Takeshi Ohtake, Tadashi Doujo | 2000-03-21 |
| 5976752 | Toner and image forming method | Koichi Tomiyama, Yuichi Mizoh, Keita Nozawa, Minekazu Endo, Tadashi Doujo +2 more | 1999-11-02 |
| 5955234 | Toner for developing electrostatic image, and image forming method | Manabu Ohno, Tadashi Doujo | 1999-09-21 |
| 5952138 | Magnetic developer and recognition method of magnetic-ink character | Tetsuhito Kuwashima, Yukari Ishibashi | 1999-09-14 |
| 5843879 | Bleaching activator granulate | Hiroshi Kimura, Tuneharu Mukaiyama, Toshiyuki Ishikawa | 1998-12-01 |
| 5814429 | Heat fixing method employing peelable film between heater and recording medium | Hiroaki Kawakami, Yusuke Karami, Shinji Doi, Yasuhide Goseki, Takashige Kasuya +2 more | 1998-09-29 |
| 5710965 | Developer for developing electrostatic images and image forming method | Keita Nozawa, Tsutomu Kukimoto, Kazuyoshi Hagiwara | 1998-01-20 |
| 5707771 | Toner for developing electrostatic image | — | 1998-01-13 |
| 5605778 | Toner with wax component for developing electrostatic image | Tsutomu Onuma, Manabu Ohno, Minoru Shimojo | 1997-02-25 |
| 5478686 | Fixable toner with a modified bisphenolic polyester resin | Hiroaki Kawakami, Yusuke Karami, Shinji Doi, Yasuhide Goseki, Takashige Kasuya +2 more | 1995-12-26 |