Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11513529 | Audio system and method of controlling conveyer device | Taku Ueda, Hisashi Nagai, Naoaki Kurita, Hisanobu Suzuki | 2022-11-29 |
| 10976683 | Electrophotographic member, electrophotographic process cartridge, and electrophotographic image forming apparatus | Kazutoshi Ishida, Minoru Nakamura, Ryo Sugiyama, Toru Ishii, Kenta Matsunaga | 2021-04-13 |
| 10935903 | Developing roller, process cartridge and image forming apparatus | Ryo Sugiyama, Kazutoshi Ishida | 2021-03-02 |
| 10642186 | Developing member having outer surface with independent electrically insulating domains, electrophotographic process cartridge, and electrophotographic image forming apparatus | Minoru Nakamura, Ryo Sugiyama, Kazutoshi Ishida, Hiroshi Morishita, Kenta Matsunaga +1 more | 2020-05-05 |
| 10310447 | Electrophotographic member, process cartridge, and electrophotographic image forming apparatus | Hiroshi Morishita, Kazutoshi Ishida, Minoru Nakamura, Toru Ishii, Ryo Sugiyama +1 more | 2019-06-04 |
| 10082741 | Member for electrophotography, developing apparatus, and electrophotographic apparatus | Kazutoshi Ishida | 2018-09-25 |
| 9971276 | Developing member, method of producing developing member, process cartridge, and electrophotographic apparatus | Kazutoshi Ishida, Ryo Sugiyama, Rieko Takabe, Sosuke Yamaguchi | 2018-05-15 |
| 9952532 | Developing apparatus, electrophotographic process cartridge, and electrophotographic image forming apparatus | Ryo Sugiyama, Yoshinobu Ogawa, Kazutoshi Ishida, Mitsuru Okuda | 2018-04-24 |
| 9921518 | Developing roller, with conductive elastic layer having exposed protrusions, cartridge and apparatus | Kazutoshi Ishida, Ryo Sugiyama, Rieko Takabe | 2018-03-20 |
| 9862301 | Vehicular rear panel | Kenji Yamada, Masaaki Nakabayashi, Koji Uchino, Manabu Maeda, Noriaki Ito +10 more | 2018-01-09 |
| 9695610 | Speaker cover | Shinya Sonoda, Kenji Ishibashi, Akihiro Sonogi, Tsutomu Watanabe | 2017-07-04 |
| 9482986 | Member for electrophotography, process cartridge, and electrophotographic image forming apparatus | Kazutoshi Ishida | 2016-11-01 |
| D763231 | Speaker cover | Shinya Sonoda, Kenji Ishibashi, Akinori Sonogi, Tsutomu Watanabe | 2016-08-09 |
| 8874012 | Developing member, process cartridge and electrophotographic apparatus | Masaki Yamada, Toru Ishii, Takashi Koyanagi | 2014-10-28 |
| 8798508 | Developing member, process cartridge, and electrophotographic apparatus | Masaki Yamada, Takashi Koyanagi, Kunimasa Kawamura, Minoru Nakamura, Shohei Urushihara | 2014-08-05 |
| 8774677 | Developing member, process cartridge and electrophotographic image forming apparatus | Masaki Yamada, Genya Anan | 2014-07-08 |
| 8768226 | Developer support member, electrophotographic process cartridge and electrophotographic image forming apparatus | Takashi Koyanagi, Masaki Yamada, Kunimasa Kawamura | 2014-07-01 |
| 8706011 | Developing member, process cartridge, and electrophotographic apparatus | Genya Anan, Masaki Yamada, Toru Ishii | 2014-04-22 |
| 8600273 | Developing roller, process cartridge, and electrophotographic apparatus | Masaki Yamada, Takashi Kusaba, Kunimasa Kawamura, Toru Ishii | 2013-12-03 |
| 8323751 | Process for producing roller for electrophotography | Kunimasa Kawamura, Shohei Urushihara | 2012-12-04 |
| 8182405 | Developing roller, developing roller production method, process cartridge, and electrophotographic apparatus | Masahiro Kurachi, Masaki Yamada, Minoru Nakamura | 2012-05-22 |
| 7979004 | Electrophotographic belt, production method of electrophotographic belt, and electrophotographic apparatus | Atsushi Tanaka, Takashi Kusaba, Hidekazu Matsuda, Akihiko Nakazawa | 2011-07-12 |
| 7439436 | Main case body of musical keyboard instrument | — | 2008-10-21 |
| 7425672 | Exterior structure for keyboard instrument | Daisuke Haba, Masao Sato, Toshiyuki Aiba | 2008-09-16 |
| 7352984 | Electrophotographic endless belt, electrophotographic apparatus having electrophotographic endless belt, and process for producing electrophotographic endless belt | Hidekazu Matsuda, Akihiko Nakazawa, Atsushi Tanaka, Takashi Kusaba | 2008-04-01 |