Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12031048 | Ink set and recording method | Kazuhiko Kitamura, Masahiro Yatake | 2024-07-09 |
| 8970839 | Detection device | Kohei Yamada | 2015-03-03 |
| 8773658 | Detection device | Kohei Yamada | 2014-07-08 |
| 8136925 | Electrostatic actuator, liquid droplet discharging head, methods for manufacturing them, and liquid droplet discharging apparatus | Masahiro Fujii | 2012-03-20 |
| 8087754 | Electrostatic actuator, droplet discharge head, method for driving droplet discharge head, and method for manufacturing electrostatic actuator | Masahiro Fujii | 2012-01-03 |
| 8083328 | Electrostatic actuator, droplet discharging head, method of manufacturing thereof and droplet discharging device | Koji Kitahara, Motoki Itoda, Masahiro Fujii | 2011-12-27 |
| 7976127 | Electrostatic actuator, droplet discharge head, methods for manufacturing the same and droplet discharge apparatus | Masahiro Fujii | 2011-07-12 |
| 7766456 | Electrostatic actuator, liquid droplet discharging head, methods for manufacturing them, and liquid droplet discharging apparatus | Masahiro Fujii | 2010-08-03 |
| 7661794 | Electrostatic actuator, droplet discharge head, method for driving droplet discharge head, and method for manufacturing electrostatic actuator | Masahiro Fujii | 2010-02-16 |
| 6702881 | Ink for inkjet printer | Chiyoshige Nakazawa | 2004-03-09 |
| 6285848 | Electrophotographic apparatus, image forming method, and process cartridge for developing an image with toner containing an external additive | Shuichi Aita, Kenji Okado, Toshiyuki Ugai, Ryoichi Fujita, Fumihiro Arahira +1 more | 2001-09-04 |
| 5940662 | Charging apparatus and electrophotographic apparatus | Shuichi Aita, Tsutomu Kukimoto, Tsuyoshi Takiguchi, Fumihiro Arahira, Yuji Ishihara +1 more | 1999-08-17 |
| 5890037 | Electrophotographic apparatus using photoconductive member chargeable with magnetic brush | Tsutomu Kukimoto, Akio Maruyama, Shuichi Aita | 1999-03-30 |
| 5805961 | Charging member having bristless, process cartridge, and electrophotographic apparatus employing such a charging member | Kiyoshi Mizoe, Shuichi Aita, Fumihiro Arahira | 1998-09-08 |
| 5790926 | Charging member having a raised fiber-entangled material, and process cartridge and electrophotographic apparatus having the charging member | Kiyoshi Mizoe, Shuichi Aita, Fumihiro Arahira | 1998-08-04 |
| 5751405 | Image forming apparatus | Shuichi Aita, Tsutomu Kukimoto, Satoshi Yoshida | 1998-05-12 |
| 5731122 | Image forming method and image forming apparatus | Satoshi Yoshida, Motoo Urawa, Shuichi Aita, Tsutomu Kukimoto, Yuki Nishio | 1998-03-24 |
| 5724632 | Charging apparatus and electrophotographic apparatus | Fumihiro Arahira, Shuichi Aita, Tsutomu Kukimoto, Kiyoshi Mizoe | 1998-03-03 |
| 5715501 | Image forming method using a surface with a specified water contact angle and process cartridge using such a method | Shuichi Aita, Toshiyuki Yoshihara, Motoo Urawa, Tsutomu Kukimoto | 1998-02-03 |
| 5576810 | Image forming method | Shuichi Aita, Toshiyuki Yoshihara, Tsutomu Kukimoto, Satoshi Yoshida, Yuki Nishio | 1996-11-19 |