Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11319177 | Sensor unit and image forming apparatus therewith | — | 2022-05-03 |
| 11142009 | Cleaning device and ink jet recording apparatus | — | 2021-10-12 |
| 11041038 | Water repellent composition | Yuuki Yamamoto, Norimasa Uesugi, Ikuo Yamamoto, Mitsuhiro Fukushima, Muneaki Iizuka | 2021-06-22 |
| 10413559 | Method for treating demyelinating disease | Kimiko Murofushi, Mari Gotoh, Keisuke Yoshikawa, Shinji Yamamoto | 2019-09-17 |
| 10035675 | Solenoid device and image forming apparatus therewith | — | 2018-07-31 |
| 9996043 | Image forming apparatus and method for control of suction of air passed through fixing unit | — | 2018-06-12 |
| 9268287 | Sheet feed device and image forming apparatus | Yoshiyuki Asakawa | 2016-02-23 |
| 9199811 | Sheet conveying device and image forming apparatus including the sheet conveying device | — | 2015-12-01 |
| 9193654 | Cosmetic bases and cosmetics containing the same | Yoji Tezuka | 2015-11-24 |
| 8518994 | Arginine derivative and cosmetic containing the same | Kazuaki Wakita, Susumu Tanaka | 2013-08-27 |
| 8232321 | Alkylene oxide derivative and skin external preparation containing the same | Takashi Ohmori, Akira Ishikubo, Yuki Sugiyama, Yuko Matsui, Tomoyuki Kawasoe +2 more | 2012-07-31 |
| 7684739 | Toner transport apparatus and image forming apparatus | — | 2010-03-23 |
| 7613416 | Toner container with grippable recesses and image forming apparatus having such a toner container | Takashi Tamura | 2009-11-03 |
| 6455639 | Oxirane derivative and process for the preparation thereof | Tohru Yasukohchi, Kouzoh Sanchika, Chika Itoh | 2002-09-24 |
| 5872191 | Process for producing a polyoxyalkylene derivatives substituted with succinimidyl group | Kouzoh Sanchika, Tohru Yasukohchi, Syunsuke Ohhashi | 1999-02-16 |
| 5840973 | Process for producing a polyoxyalkylenecarboxylic acid | Tohru Yasukohchi, Tsunekatsu Maruyama | 1998-11-24 |
| 5767284 | Process for producing a polyoxyalkylene derivative substituted with succinimidyl group | Kouzoh Sanchika, Tohru Yasukohchi, Syunsuke Ohhashi | 1998-06-16 |