Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12377696 | Vehicle | Mitsuhiro Aso, Kenichi Horiguchi | 2025-08-05 |
| 11976717 | Power transmission device | — | 2024-05-07 |
| 8531089 | Array-type ultrasonic vibrator | Kazuchika Sato, Satoru Hirose | 2013-09-10 |
| 6682170 | Image forming apparatus | Hideo Hotomi | 2004-01-27 |
| 6456392 | Image processing apparatus capable of high-quality image formation | — | 2002-09-24 |
| 6371599 | Ink jet recording apparatus and drive unit and method for ink jet head | Hideo Hotomi, Kusunoki Higashino, Yasuhisa Fujii | 2002-04-16 |
| 6343846 | Ink jet printing apparatus capable of printing in the same quality regardless of sheet type | — | 2002-02-05 |
| 6322185 | Inkjet printing device | Shoichi Minato | 2001-11-27 |
| 5985014 | Ink for ink-jet recording containing specified glycol derivatives | Takamasa Ueda, Toshiya Natsuhara, Hideo Hotomi | 1999-11-16 |
| 5910211 | Ink for ink-jet recording containing alkylene oxide adduct of acetylene glycol | Takamasa Ueda, Toshiya Natsuhara, Hideo Hotomi | 1999-06-08 |
| 5568231 | Charging device for charging the surface of a photosensitive member in an electrophotographic image forming device | Shuji Iino, Akihito Ikegawa, Izumi Osawa | 1996-10-22 |
| 5552865 | Charging device and method for charging a charge-receiving member by a charging member by discharge therebetween based on difference in electric potential between the charging member and the charge-receiving member | Izumi Osawa, Akihito Ikegawa, Shuji Iino | 1996-09-03 |
| 5504561 | Contact charger and image forming apparatus provided with same | Akihito Ikegawa, Keiko Nagayasu, Masashi Yamamoto | 1996-04-02 |
| 5489973 | An electrically conductive member of an image forming apparatus containing an impurity atom | Noriko Yoshida, Shuji Iino, Akihito Ikegawa, Izumi Osawa, Kenzo Tanaka | 1996-02-06 |
| 5402213 | Charging device for charging outer surface of photosensitive member including charging member formed by a layer comprising a copolymer of an olefin-type vinyl monomer and a fluorine-contained monomer | Akihito Ikegawa, Keiko Nagayasu, Masashi Yamamoto | 1995-03-28 |
| 5376995 | Contact charger having a curved surface | Masashi Yamamoto, Keiko Nagayasu, Akihito Ikegawa | 1994-12-27 |
| 5376425 | Contact member for controlling an electrostatic state of a chargeable member | Shuji Iino, Akihito Ikegawa, Izumi Osawa, Kenzo Tanaka | 1994-12-27 |
| 5371578 | Image forming apparatus including means for removing counter charged toner from the charging means | Shuji Iino, Akihito Ikegawa, Izumi Osawa | 1994-12-06 |
| 5328790 | Photoreceptor for use in contact charging method and image forming apparatus employing said photoreceptor | Shuji Iino, Akihito Ikegawa, Izumi Osawa | 1994-07-12 |
| 5289234 | Image forming apparatus with charge brush | Shuji Iino, Akihito Ikegawa, Izumi Osawa | 1994-02-22 |
| 5278614 | Contact charger and image forming apparatus incorporating the contact charger | Akihito Ikegawa, Shuji Iino, Izumi Osawa | 1994-01-11 |
| 5245386 | Contact charging device having a brush restricting member | Shuji Iino, Akihito Ikegawa, Izumi Osawa | 1993-09-14 |
| 5241342 | Image forming apparatus having a charging member and means for protecting the image bearing surface charged by the charging member | Shuji Iino, Akihito Ikegawa, Izumi Osawa | 1993-08-31 |
| 5225878 | Image forming apparatus | Shuji Iino, Akihito Ikegawa, Izumi Osawa | 1993-07-06 |
| 5192974 | Contract charger | Akihito Ikegawa, Shuji Iino, Izumi Osawa | 1993-03-09 |