Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410275 | Vehicle wiper blade | Shota Segawa, Takehiko Aoyama, Masanori Yokoyama, Hidekazu Matsuda, Syoji Inoue +1 more | 2025-09-09 |
| 12174576 | Cleaning member and elastic member | Masanori Yokoyama, Kenya Terada, Takehiko Aoyama, Shota Segawa, Hisao Kato +1 more | 2024-12-24 |
| 12092984 | Electrophotography cleaning blade, process cartridge, and electrophotographic image formation device | Hidekazu Matsuda, Toshirou Uchida, Kenya Terada | 2024-09-17 |
| 11945414 | Vehicle windshield wiper blade | Takehiko Aoyama, Masanori Yokoyama, Syoji Inoue, Hidekazu Matsuda, Shota Segawa | 2024-04-02 |
| 11630411 | Electrophotographic cleaning blade, process cartridge, and electrophotographic image forming apparatus | Syoji Inoue, Masahiro Watanabe, Toshirou Uchida, Youhei Ikeda, Masanori Yokoyama +4 more | 2023-04-18 |
| 11573519 | Electrophotographic apparatus and process cartridge | Hidekazu Fumita, Kentaro Yamawaki, Sara Yoshida, Yusuke Kosaki, Taiji Katsura +1 more | 2023-02-07 |
| 10088795 | Cleaning blade, process cartridge, and electrophotographic image forming apparatus | Yohei Ikeda, Tomoya Kawakami | 2018-10-02 |
| 9996047 | Cleaning blade, process cartridge, and electrophotographic image forming apparatus | Tomoya Kawakami, Masaaki Kimura | 2018-06-12 |
| 9632474 | Cleaning blade, process cartridge and electrophotographic image forming apparatus | Youhei Ikeda, Nanami Isozaki | 2017-04-25 |
| 8594552 | Blade for electrophotographic apparatus, and process for manufacturing the same | Erika Umeki, Syouji Inoue | 2013-11-26 |
| 8594553 | Cleaning blade for electrophotographic apparatus, and method for producing the same | Erika Uematsu, Syouji Inoue | 2013-11-26 |
| 7799398 | Developing member and electrophotographic image forming apparatus | Minoru Nakamura, Masaki Yamada, Masahiro Kurachi | 2010-09-21 |
| 7798948 | Electrophotographic developing member, process for its production, electrophotographic process cartridge and electrophotographic image forming apparatus | Kunimasa Kawamura, Kazutoshi Ishida, Minoru Nakamura | 2010-09-21 |
| 7127200 | Developing roller, electrophotographic process cartridge, and electrophotographic image forming apparatus | Minoru Nakamura, Kazutoshi Ishida, Takeshi Suzuki | 2006-10-24 |
| 7099613 | Developing roller, electrophotographic process cartridge, and electrophotographic image forming apparatus | Minoru Nakamura, Kazutoshi Ishida | 2006-08-29 |
| 6393243 | Developing roller and developing device using the same | Hidenori Satoh, Noriyuki Yanai, Kentaro Niwano | 2002-05-21 |
| 6094555 | Developer amount regulating member, method of producing the same, and development device using the same | Hisao Katoh, Masahiro Watabe | 2000-07-25 |
| 5978636 | Developer amount restricting member and developing device | Masahiro Watabe, Hisao Kato | 1999-11-02 |
| 5933692 | Developer regulating member with elastic layer supporting section having high elastic limit value and developing apparatus using the same | Kentaro Niwano, Masahiro Watabe | 1999-08-03 |
| 5895150 | Elastic blade for control of developer feed, and development device employing the same | Masahiro Watabe, Kentaro Niwano | 1999-04-20 |
| 5893013 | Developer regulating member and developing apparatus | Masahide Kinoshita, Kazuhisa Kemmochi, Tetsuya Kobayashi, Takashi Shibuya, Yoshiro Saito +2 more | 1999-04-06 |
| 5768670 | Developer regulating member having thermoplastic resin layers provided on both sides of a rubber member, method of manufacturing the same, and developing device using the same | Naoki Enomoto, Hiroshi Sasame, Toru Ishigaki, Tetsuya Kobayashi, Yoshiro Saito | 1998-06-16 |
| 5729806 | Curved developer amount controlling member, developing apparatus, and process cartridge using the same | Kentaro Niwano, Masahiro Watabe | 1998-03-17 |
| 5689783 | Elastic blade and developing device using the same | Hiroshi Sasame, Toru Ishigaki, Noriyuki Yanai, Tetsuya Kobayashi, Naoki Enomoto +1 more | 1997-11-18 |
| 5587776 | Member comprising a polyurethane rubber composition containing an amino catalyst for regulating quantity of developer and developing unit using the same | Masahiro Watabe, Noriyuki Yanai, Kentaro Niwano | 1996-12-24 |