Issued Patents All Time
Showing 76–100 of 154 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6977129 | Charge control agent, toner using same developer containing the toner and developing device containing the developer | Takuya Saito, Yohichiroh Watanabe, Keiko Shiraishi, Toyoshi Sawada, Tatsuhiko Osaki +2 more | 2005-12-20 |
| 6949607 | Thermoplastic resin composition and its molded articles | Tadashi Nagahara, Kazuki Iwai | 2005-09-27 |
| 6946229 | Toner for forming color image, image forming apparatus, and toner container | Takuya Saito, Hiroshi Yamashita, Yohichiroh Watanabe, Takeshi Takada, Tsunemi Sugiyama +3 more | 2005-09-20 |
| 6944431 | High-frequency signal transmission apparatus and electronic tuner using the same | Atsuhito Terao, Sanae Asayama | 2005-09-13 |
| 6939653 | Image-forming color toner, developing agent, image-forming apparatus, toner container, image-forming process cartridge and image-forming process | Yohichiroh Watanabe, Keiko Shiraishi, Toyoshi Sawada, Takuya Saito, Masashi Nagayama | 2005-09-06 |
| 6858365 | Toner for developing electrostatic latent image, developing method and developing apparatus | Toyoshi Sawada, Kohki Katoh, Yohichiroh Watanabe, Keiko Shiraishi, Takuya Saito | 2005-02-22 |
| 6852459 | Color toner, method for manufacturing the toner, and image forming apparatus and method using the toner | Kohki Katoh, Yohichiro Watanabe, Masahide Yamashita, Akihiro Kotsugai, Toyoshi Sawada +1 more | 2005-02-08 |
| 6830859 | Charge control agent and toner using same | Keiko Shiraishi, Yohichiroh Watanabe, Toyoshi Sawada, Takuya Saito, 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, Yohichiroh Watanabe, Keiko Shiraishi, Takuya Saito | 2004-11-23 |
| 6819892 | Electrophotographic image forming apparatus including air conditioning means for removing harmful substances | Yasushi Nakazato, Yusuke Takeda, Tsukuru Kai, Satoshi Muramatsu, Yasuo Suzuki +1 more | 2004-11-16 |
| 6816964 | SYSTEM, METHOD AND MEDIUM STORING A PROGRAM CONTROLLING A COMPUTER, TO INSTALL A PROGRAM REMOTELY AND AUTOMATICALLY INTO A CLIENT BY PRE-DOWNLOADED AGENT USING MANAGING RECORD RECORDING AN INSTALL EXECUTION STATE OF THE CLIENT AND EXECUTION CONTROL INFORMATION | Akikazu Seki, Katsuya Yamada | 2004-11-09 |
| 6740461 | Carrier and two-component developer for electrophotography | Masahide Yamashita, Yohichiroh Watanabe, Kazuhito Watanabe, Keiko Shiraishi, Kohki Katoh | 2004-05-25 |
| 6716561 | Toner for developing electrostatic latent image and image forming method using same | Keiko Shiraishi, Yohichiroh Watanabe, Masahide Yamashita, Akihiro Kotsugai, Toyoshi Sawada +1 more | 2004-04-06 |
| 6697798 | Retrieval system of secondary data added documents in database, and program | Takahiro Nakamura | 2004-02-24 |
| 6670088 | Carrier for two-component developer for developing latent electrostatic images and developer using the carrier | Hiroaki Matsuda, Akemi Sugiyama, Hiroto Higuchi | 2003-12-30 |
| 6656654 | Toner and two-component developer, container therefor, and image forming apparatus | Hiroto Higuchi, Hiroaki Matsuda, Akemi Sugiyama | 2003-12-02 |
| 6653037 | Toner for developing latent electrostatic images, and image forming method and device | Toyoshi Sawada, Kohki Katoh, Yohichiroh Watanabe, Masahide Yamashita, Akihiro Kotsugai +1 more | 2003-11-25 |
| 6566026 | Toner for developing electrostatic latent image, toner container containing the toner, and image forming method and apparatus using the toner | Yohichiroh Watanabe, Masahide Yamashita, Keiko Shiraishi, Kazuhito Watanabe, Kohki Katoh +2 more | 2003-05-20 |
| 6544704 | Two-component developer, container filled with the two-component developer, and image formation apparatus | Hiroaki Matsuda, Akemi Sugiyama, Hiroto Higuchi, Tsunemi Sugiyama, Fumihiro Sasaki +3 more | 2003-04-08 |
| 6534232 | ELECTROPHOTOGRAPHIC IMAGE FORMATION METHOD, CARRIER FOR TWO-COMPONENT DEVELOPER, TWO-COMPONENT DEVELOPER, CONTAINER HOLDING THEREIN THE TWO-COMPONENT DEVELOPER, AND ELECTROPHOTOGRAPHIC IMAGE FORMATION APPARATUS | Hiroaki Matsuda, Akemi Sugiyama, Hiroto Higuchi, Tsunemi Sugiyama | 2003-03-18 |
| 6484540 | Method for welding a quartz glass tube for use as an optical fiber preform | Atsuhi Shimada, Toshiyuki Kato, Yutaka Watabe | 2002-11-26 |
| 6468706 | Two-component developer, container filled with the two-component developer, and image formation apparatus | Hiroaki Matsuda, Akemi Sugiyama, Hiroto Higuchi, Tsunemi Sugiyama, Fumihiro Sasaki +3 more | 2002-10-22 |
| 6425270 | Rod in tube method of forming a fiber preform, with maintaining a gas supply until after an end is stretched | Toshiyuki Kato, Atsuhi Shimada, Yutaka Watabe | 2002-07-30 |
| 6363229 | Full-color toner image fixing method and apparatus | Keiko Shiraishi, Yohichiroh Watanabe, Kazuhito Watanabe, Masahide Yamashita, Kohki Katoh +3 more | 2002-03-26 |
| 6335137 | Electrophotographic toner and electrophotographic image forming method and apparatus using the toner | Hiroaki Matsuda, Akemi Sugiyama, Hiroto Higuchi, Tsunemi Sugiyama | 2002-01-01 |