Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11512205 | Composite pigment and production method thereof, paint composition containing composite pigment, and coating film | Shogo Iseya, Hironori Shimoita, Yusuke TANIGUCHI | 2022-11-29 |
| 11339298 | Composite pigment and production method thereof, paint composition containing composite pigment, and coating film | Shogo Iseya, Hironori Shimoita, Yusuke TANIGUCHI | 2022-05-24 |
| 11325842 | Near infrared-reflective black pigment and method for producing same | Norihiko Sanefuji, Kenji Kataoka | 2022-05-10 |
| 9817336 | Toner supply device including opening and closing mechanism of toner supply port, and image forming apparatus | — | 2017-11-14 |
| 9658174 | X-ray topography apparatus | Kazuhiko Omote, Keiichi Morikawa, Yoshinori Ueji, Masahiro Tsuchiya, Atsunori Kiku | 2017-05-23 |
| 9069281 | Developing device including developing roller that feeds toner to image carrying member and toner feeding roller that feeds toner to developing roller, and image forming apparatus provided therewith | Hiroaki Ohashi, Ryoji Nishimura, Masahiro Kashimoto | 2015-06-30 |
| 9046812 | Development device and image forming apparatus including the same | Naoki Yamane | 2015-06-02 |
| 9046815 | Developing device and image forming apparatus provided therewith | Masahiro Kashimoto, Ryoji Nishimura, Hiroaki Ohashi | 2015-06-02 |
| 8953226 | Image reading and forming apparatus comprising an open/closing detection portion wherein a sensor detects the movable member moving in the guide hole in accordance with the open/closed state of the cover | Takehiro Sato | 2015-02-10 |
| 8855528 | Developer transporting mechanism, developing device with the same, and image forming apparatus | Ryoji Nishimura, Hiroaki Ohashi, Masahiro Kashimoto | 2014-10-07 |
| 8768220 | Image forming apparatus having rotatable member drive mechanism in toner case | Tatsuhiko Yoshii, Koji Murata, Naoki Mizutani, Naoki Yamane | 2014-07-01 |
| 8725011 | Toner transportation device, image forming apparatus, and method of detecting the amount of toner remaining | Tatsuhiko Yoshii, Koji Murata, Naoki Mizutani, Naoki Yamane | 2014-05-13 |
| 8699925 | Developing device and image forming apparatus including the same | Masahiro Kashimoto, Ryoji Nishimura, Hiroaki Ohashi, Koji Izumi, Chisato Hatakeyama | 2014-04-15 |
| 8676073 | Toner transportation device, toner case, image forming apparatus, and method of controlling toner transportation device | Koji Murata, Tatsuhiko Yoshii, Naoki Mizutani, Naoki Yamane | 2014-03-18 |
| 7355326 | Piezoelectric transformer | Masaaki Toyama | 2008-04-08 |
| 6882090 | Piezoelectric transformer and strobe apparatus having the piezoelectric transformer | Masaaki Toyama, Katsuyuki Ishikawa | 2005-04-19 |
| 6873086 | Piezoelectric transformer and strobe apparatus having the piezoelectric transformer | Masaaki Toyama, Katsuyuki Ishikawa | 2005-03-29 |
| 6616746 | Titanium dioxide pigment and method for production thereof | Hideo Takahashi, Eiji Yamada, Toshihiko Akamatsu | 2003-09-09 |
| 6564015 | Electronic flash device | Katsuyuki Ishikawa, Toshiyuki Terada, Tatsuya Goto | 2003-05-13 |
| 6486612 | Control circuit and method for protecting a piezoelectric transformer from an open state and a short-circuited state | Katsuyuki Ishikawa, Masaaki Toyama | 2002-11-26 |
| 6363903 | Intake port structure in four-stroke cycle internal combustion engine | Aruto Hayashi, Seiji Mori | 2002-04-02 |
| 6342752 | Piezoelectric transformer element and method of mounting it in a housing | Masako Kataoka, Katsuyuki Ishikawa, Takahiro Yamakawa, Keizo Tsukamoto | 2002-01-29 |
| 6262518 | Housing for piezoelectric transformer device | Katsuyuki Ishikawa, Masaaki Toyama, Katsumi Uesawa | 2001-07-17 |
| 6239558 | System for driving a cold-cathode fluorescent lamp connected to a piezoelectric transformer | Katsuyuki Ishikawa, Masaaki Toyama | 2001-05-29 |
| 6198198 | Control circuit and method for piezoelectric transformer | Katsuyuki Ishikawa, Masaaki Toyama | 2001-03-06 |