Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8524434 | Toner and method for manufacturing toner | Tsuneyoshi Tominaga, Tsutomu Shimano | 2013-09-03 |
| 8460845 | Cyan toner | Takaaki Kaya, Ayako Sekikawa, Shigeto Tamura, Makoto Kambayashi | 2013-06-11 |
| 7943281 | Black toner | Takaaki Kaya, Yasukazu Ayaki, Shigeto Tamura, Yayoi Tazawa, Yuichi Yajima | 2011-05-17 |
| 7794909 | Toner | Takaaki Kaya, Shigeto Tamura, Ayako Sekikawa, Makoto Kambayashi | 2010-09-14 |
| 7794908 | Toner | Takaaki Kaya, Shigeto Tamura, Makoto Kambayashi, Takeshi Ikeda | 2010-09-14 |
| 7776501 | Color toner | Shigeto Tamura, Takaaki Kaya, Makoto Kambayashi | 2010-08-17 |
| 7244539 | Magnetic carrier and two-component developer | Yoshinobu Baba, Takaaki Kaya, Kazuo Terauchi | 2007-07-17 |
| 7144668 | Toner and two-component developer | Yoshinobu Baba, Yuko Sato, Takaaki Kotaki, Nobuyoshi Sugahara, Kazuo Terauchi +1 more | 2006-12-05 |
| 6953648 | Process for producing toner particles | Takeshi Tsujino, Hitosi Kanda, Yoshinori Tsuji | 2005-10-11 |
| 6346356 | Toner, toner production process, and image-forming method | Manabu Ohno, Toshiyuki Ugai, Shinya Yachi, Yasushi Katsuta, Kenichi Nakayama | 2002-02-12 |
| 6328147 | Clutch for motorcycles | — | 2001-12-11 |
| 6312862 | Two-component type developer and image forming method | Kenji Okado, Yushi Mikuriya, Shinya Yachi, Kazumi Yoshizaki | 2001-11-06 |
| 6285848 | Electrophotographic apparatus, image forming method, and process cartridge for developing an image with toner containing an external additive | Shuichi Aita, Kenji Okado, Toshiyuki Ugai, Fumihiro Arahira, Kiyoshi Mizoe +1 more | 2001-09-04 |
| 6187495 | Yellow toner, process for producing the tower and image forming method using the toner | Tatsuhiko Chiba, Kazuo Yoshinaga, Satoshi Yasuda, Hiroaki Kawakami, Shinya Yachi +1 more | 2001-02-13 |
| 6137977 | Image forming method and image forming apparatus using specific developer composition | Kenji Okado, Masanori Shida, Kazumi Yoshizaki | 2000-10-24 |
| 6077635 | Toner, two-component developer and image forming method | Kenji Okado, Wakashi Iida, Yuji Moriki, Kazumi Yoshizaki, Michihisa Magome | 2000-06-20 |
| 6013406 | Toner for developing electrostatic images, and image-forming method | Yuji Moriki, Tatsuya Nakamura | 2000-01-11 |
| 5994019 | Image forming method | Kenji Okado, Toshiyuki Ugai, Kazumi Yoshizaki | 1999-11-30 |
| 5912099 | Magenta toner, process for producing same and color image forming method using same | Makoto Kanbayashi, Masaaki Taya, Wakashi Iida, Tetsuya Ida | 1999-06-15 |
| 5885742 | Carrier for electrophotography, two-component type developer, and image forming method | Kenji Okado, Toshiyuki Ugai, Tsuyoshi Takiguchi | 1999-03-23 |
| 5851714 | Toner for developing electrostatic image and fixing method | Masaaki Taya, Kenji Okado, Makoto Kanbayashi, Tsuyoshi Takiguchi, Wakashi Iida +1 more | 1998-12-22 |
| 5842097 | Image forming and transferring method using a peeling layer | Makoto Kanbayashi | 1998-11-24 |
| 5750298 | Yellow toner for developing electrostatic image, two component developer, image sheet | Makoto Kanbayashi | 1998-05-12 |
| 5747209 | Toner for developing electrostatic images containing aromatic hydroxycarboxylic acid and metal compound of the aromatic hydroxycarboxylic acid | Tsuyoshi Takiguchi, Kenji Okado, Masaaki Taya, Makoto Kanbayashi, Kohji Inaba +4 more | 1998-05-05 |
| 5733702 | Image forming method employing toner with external additive | Kenji Okado, Toshiyuki Ugai, Tsuyoshi Takiguchi, Yasuhiro Ichikawa | 1998-03-31 |