Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7368213 | Toner and fixing device and image forming device using the same | Shinya Nakayama, Fumihiro Sasaki, Satoshi Mochizuki, Akihiro Kotsugai, Yasuo Asahina +5 more | 2008-05-06 |
| 7364828 | Toner for electrophotography, method of manufacturing the toner, developer, development method, transfer method, and process cartridge using the toner | Hiroshi Yamashita, Tsunemi Sugiyama, Yohichiroh Watanabe | 2008-04-29 |
| 7354690 | Toner and method for producing the same, and, developer, toner-containing container, process cartridge, image forming apparatus and image forming method | Masayuki Ishii, Chiaki Tanaka, Nahiro Watanabe, Kei Naitoh | 2008-04-08 |
| 7241548 | Toner, method for preparing the toner, and image forming method and apparatus using the toner | Tsunemi Sugiyama, Hiroshi Yamashita, Yohichiroh Watanabe, Shinji Ohtani | 2007-07-10 |
| 7198874 | Toner, method of making, method of using | Hiroshi Yamashita, Yohichiroh Watanabe, Tsunemi Sugiyama | 2007-04-03 |
| 7132210 | Image-forming color toner, developing agent, image-forming apparatus, toner container, image-forming process cartridge and image-forming process | Masanori Suzuki, Yohichiroh Watanabe, Keiko Shiraishi, Toyoshi Sawada, Masashi Nagayama | 2006-11-07 |
| 7123080 | Differential amplification input circuit | Atsushi Furukawa | 2006-10-17 |
| 7084379 | Control apparatus for gas sensor | Takeshi Kawai, Satoshi Teramoto | 2006-08-01 |
| 7074535 | Toner, method of making, method of using | Hiroshi Yamashita, Yohichiroh Watanabe, Tsunemi Sugiyama | 2006-07-11 |
| 7074541 | Toner for electrophotography, method of manufacturing the toner, developer, development method, transfer method, and process cartridge using the toner | Hiroshi Yamashita, Tsunemi Sugiyama, Yohichiroh Watanabe | 2006-07-11 |
| 7052815 | Color toner for developing electrostatic images, toner container containing the color toner, and image forming method and apparatus using the color toner | Toyoshi Sawada, Masanori Suzuki, Kohki Katoh, Yohichiroh Watanabe, Keiko Shiraishi +1 more | 2006-05-30 |
| 6977129 | Charge control agent, toner using same developer containing the toner and developing device containing the developer | Masanori Suzuki, Yohichiroh Watanabe, Keiko Shiraishi, Toyoshi Sawada, Tatsuhiko Osaki +2 more | 2005-12-20 |
| 6946229 | Toner for forming color image, image forming apparatus, and toner container | Masanori Suzuki, Hiroshi Yamashita, Yohichiroh Watanabe, Takeshi Takada, Tsunemi Sugiyama +3 more | 2005-09-20 |
| 6939653 | Image-forming color toner, developing agent, image-forming apparatus, toner container, image-forming process cartridge and image-forming process | Masanori Suzuki, Yohichiroh Watanabe, Keiko Shiraishi, Toyoshi Sawada, Masashi Nagayama | 2005-09-06 |
| 6858365 | Toner for developing electrostatic latent image, developing method and developing apparatus | Toyoshi Sawada, Masanori Suzuki, Kohki Katoh, Yohichiroh Watanabe, Keiko Shiraishi | 2005-02-22 |
| 6830859 | Charge control agent and toner using same | Keiko Shiraishi, Masanori Suzuki, Yohichiroh Watanabe, Toyoshi Sawada, Tatsuhiko Osaki +2 more | 2004-12-14 |
| 6821698 | Toner for developing electrostatic latent image, toner cartridge, image forming method, process cartridge and image forming apparatus | Toyoshi Sawada, Masanori Suzuki, Yohichiroh Watanabe, Keiko Shiraishi | 2004-11-23 |
| 6566026 | Toner for developing electrostatic latent image, toner container containing the toner, and image forming method and apparatus using the toner | Yohichiroh Watanabe, Masanori Suzuki, Masahide Yamashita, Keiko Shiraishi, Kazuhito Watanabe +2 more | 2003-05-20 |
| 6007688 | Wide range air/fuel ratio sensor having one electrochemical cell | Takao Kojima, Koichi Takahashi, Mitsunori Ooi | 1999-12-28 |
| 4721697 | Substance for reversibly absorbing and desorbing hydrogen | Jo Suzuki, Kimihiko Hirosawa, Tamotu Yamaguchi, Shotaro Terazawa | 1988-01-26 |