Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9212943 | Ultrasonic reactor water level measuring device and evaluation method | Izumi Yamada, Atsushi Fushimi, Atsushi Baba, Akira Murata, Tamotsu ASANO +3 more | 2015-12-15 |
| 8206882 | Toner | Kenji Hayashi, Hiroaki Obata, Noriyuki KINPARA, Hiroshi Nagasawa, Yasuhiko Muramatsu | 2012-06-26 |
| 7932011 | Electrophotographic toner and manufacturing method thereof | Takamasa Ueda, Kazuya Isobe | 2011-04-26 |
| 7807327 | Method for producing electrophotographic toner | Kenji Hayashi, Hiroyuki Yasukawa | 2010-10-05 |
| 7682769 | Method of manufacturing toner, toner, and image forming method | Kenji Hayashi | 2010-03-23 |
| 7682767 | Method of manufacturing toner, toner, and image forming method | Hiroshi Yamazaki, Kenji Hayashi | 2010-03-23 |
| 7642030 | Toner, manufacturing method thereof and image forming method | Makoto Nomiya, Meizo Shirose, Kenji Hayashi | 2010-01-05 |
| 7563554 | Electrophotographic toner | Takamasa Ueda, Kenji Hayashi | 2009-07-21 |
| 7541129 | Electrostatic image developing toner | Kenji Hayashi, Kazuya Isobe, Yasuharu Saita | 2009-06-02 |
| 7524601 | Toner and method of manufacturing the toner | Kenji Hayashi, Meizo Shirose, Makoto Nomiya | 2009-04-28 |
| 7491481 | Method of manufacturing toner, toner, and image forming method | Kenji Hayashi | 2009-02-17 |
| 7470496 | Electrostatic image developing toner | Kenji Hayashi, Kazuya Isobe, Yasuharu Saita | 2008-12-30 |
| 7445878 | Electrostatic charge image developing toner | Kenji Hayashi, Kazuya Isobe, Yasuharu Saita | 2008-11-04 |
| 6395442 | Toner and production method of the same | Kenji Hayashi, Masafumi Uchida, Hiroshi Yamazaki, Tsuyoshi Uchida | 2002-05-28 |
| RE36861 | Linear differential amplifier | Hiroshi Tanimoto | 2000-09-12 |
| 5863696 | Toner particle for electrophotography and production method thereof | Tomoe Kikuchi, Kenji Hayashi | 1999-01-26 |
| 5851713 | Toner for developing an electrostatic latent image | Kenji Hayashi, Tomoe Kikuchi, Hiroshi Yamazaki, Naohiro Hirose, Shinichi Suzuki +2 more | 1998-12-22 |
| 5830617 | Toner for developing an electrostatic latent image, Developer and a method of producing an image using the toner | Kenji Hayashi, Tomoe Kikuchi, Hiroshi Yamazaki | 1998-11-03 |
| 5774019 | Low distortion differential amplifier circuit | Hiroyuki Kimura | 1998-06-30 |
| 5706311 | Modulator circuit | — | 1998-01-06 |
| 5702860 | Method for producing non-spherical particle | Kenji Hayashi, Tomoe Kikuchi | 1997-12-30 |
| 5610547 | Logarithmic transformation circuitry for use in semiconductor integrated circuit devices | Tadashi Arai | 1997-03-11 |
| 5601923 | Mono-dispersed irregular-shaped fine polymer particles | Yoshiaki Koizumi, Kenji Hayashi, Jiro Takahashi | 1997-02-11 |
| 5525924 | Log conversion circuit | Takashi Ueno, Hiroshi Tanimoto | 1996-06-11 |
| 5465070 | Logarithmic transformation circuitry for use in semiconductor integrated circuit devices | Tadashi Arai | 1995-11-07 |