Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10228630 | Toner and method of producing toner | Takuya Mizuguchi, Kazuo Terauchi, Yojiro Hotta, Motohide Shiozawa, Masami Fujimoto | 2019-03-12 |
| 9897932 | Toner | Yojiro Hotta, Kazuo Terauchi, Tsuneyoshi Tominaga, Akane Masumoto, Takuya Mizuguchi +5 more | 2018-02-20 |
| 9778583 | Toner and imaging method | Kazuo Terauchi, Yojiro Hotta, Motohide Shiozawa, Shohei Tsuda, Masami Fujimoto | 2017-10-03 |
| 9715188 | Toner | Kazuo Terauchi, Koji Nishikawa, Shohei Tsuda, Yojiro Hotta, Katsuhisa Yamazaki +2 more | 2017-07-25 |
| 9588450 | Magnetic toner | Shohei Tsuda, Koji Nishikawa, Katsuhisa Yamazaki, Yojiro Hotta, Kazuo Terauchi +3 more | 2017-03-07 |
| 9575425 | Toner | Kazuo Terauchi, Motohide Shiozawa, Yojiro Hotta, Shohei Tsuda, Katsuhisa Yamazaki +2 more | 2017-02-21 |
| 8927188 | Method of producing magnetic carrier and magnetic carrier that uses this production method | Masayuki Hama, Kentaro Kamae, Koh Ishigami, Yoshinobu Baba, Hiroaki Kawakami +2 more | 2015-01-06 |
| 8323726 | Production method of magnetic carrier and magnetic carrier produced therewith | Yoshinobu Baba, Koh Ishigami, Yoshiaki Shiotari, Kentaro Kamae | 2012-12-04 |
| 7675276 | DC/DC converter | Satoru Ohkawa, Norimasa Hane | 2010-03-09 |
| 7638994 | Switching power supply circuit | Norimasa Hane | 2009-12-29 |
| 7611813 | Toner and image forming method | Tetsuya Ida, Takeshi Ootsu, Koh Ishigami, Naoki Okamoto, Nozomu Komatsu +4 more | 2009-11-03 |
| 7545129 | Switching power supply circuit | Norimasa Hane | 2009-06-09 |
| 7518428 | Phase compensation circuit and power circuit having same | Kouji Ichiba | 2009-04-14 |
| 7506830 | Apparatus for modifying surfaces of toner particles | Osamu Tamura | 2009-03-24 |
| 7459895 | Power circuit | Atsunori Tokumitsu | 2008-12-02 |
| 7358024 | Process for producing toner, and apparatus for modifying surfaces of toner particles | Osamu Tamura | 2008-04-15 |
| 7142040 | Stabilized power supply circuit | Takashi Maegawa | 2006-11-28 |
| 7135844 | Control circuit for DC/DC converter | Norimasa Hane, Satoru Ohkawa | 2006-11-14 |
| 6853172 | Switching regulator | Kazuaki Sano | 2005-02-08 |
| 6703176 | Toner, process for producing toner image forming method and apparatus unit | Yuichi Mizoo, Satoshi Matsunaga, Masami Azuma, Takashige Kasuya, Tadashi Dojo +4 more | 2004-03-09 |
| 6630277 | Toner production system | Momosuke Takaichi, Kiyoshi Kanai, Tsuneo Nakanishi | 2003-10-07 |
| 6586151 | Toner, process for producing toner image forming method and apparatus unit | Yuichi Mizoo, Satoshi Matsunaga, Masami Azuma, Takashige Kasuya, Tadashi Dojo +4 more | 2003-07-01 |
| 6580253 | Boosting and step-down switching regulator controlling circuit and boosting and step-down switching regulator for use in the same | Yoshihide Kanakubo, Tomohiro Oka | 2003-06-17 |
| 6537715 | Toner, image-forming method and process cartridge | Yuichi Mizoo, Masami Azuma, Takashige Kasuya, Tadashi Dojo, Tsuneo Nakanishi +3 more | 2003-03-25 |
| 6495303 | Process of producing polymerized toner | Hitoshi Kanda, Hiroshi Koyama, Yoshinori Tsuji | 2002-12-17 |