Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11921453 | Image forming apparatus | Akihiro Kawasaki, Hiroaki Katoh | 2024-03-05 |
| 11868064 | Image forming apparatus with a toner conveying device having a reverse-flow conveying portion | Kohta Sakaya, Yasunobu Shimizu | 2024-01-09 |
| 11860464 | Optical stack and liquid crystal display apparatus | Yukio Yoshida, Atsuko Maeda, Sumire Hombo, Hideki Nakagawa, Mitsuhiro Takeba +2 more | 2024-01-02 |
| 11698548 | Liquid crystal display apparatus comprising a light scattering film having a functional layer containing light scattering particles | Yukio Yoshida, Atsuko Maeda, Nobuaki Ikenaka, Katsumi Kondo, Toshihiro Yamashita +3 more | 2023-07-11 |
| 11658467 | Busbar connecting device | Katsushi Nakada, Katsuki HOTTA, Yasutomo OTAKE, Takao Tsurimoto, Shintaro Kuroaki | 2023-05-23 |
| 11251589 | Gas-insulated switching device | Takao Tsurimoto, Tadahiro Yoshida, Junichi Abe | 2022-02-15 |
| 11131888 | Display panel and display apparatus | Atsuko Maeda, Katsumi Kondo, Hideki Nakagawa, Toshihiro Yamashita | 2021-09-28 |
| 11095099 | Gas-insulated switching device | Junichi Abe, Tadahiro Yoshida, Takao Tsurimoto | 2021-08-17 |
| 11056862 | Electrical device connector and switchgear | Tadahiro Yoshida, Eiji Morito, Shintaro Kuroaki | 2021-07-06 |
| 10281862 | Image forming apparatus including an image density detector of halftone images | Shinji Aoki, Kei Hasegawa, Rie Mitani, Yohsuke Terada | 2019-05-07 |
| 10263401 | Pressure tank, gas insulated switchgear using same, and pressure tank manufacturing method | Yukinobu Kamei | 2019-04-16 |
| 10090126 | Opening and closing device | Masayuki Kakio, Munetaka Kashiwa, Toshihiro Matsunaga | 2018-10-02 |
| 9551956 | Image forming apparatus that utilizes toner roller bias voltages for image density adjustments | Kyoko Abe, Yuji Nagatomo, Shinji Aoki | 2017-01-24 |
| 9201393 | Toner container, process cartridge, and image forming apparatus | Yuusuke Furuichi, Rie Mitani, Takafumi Miyazaki, Hidekazu Shono, Osamu Saito +7 more | 2015-12-01 |
| 8354164 | Semiconductive member, and developing roll, charging roll, transfer belt, and image forming apparatus using same | Chiyoshi Nozaki, Tetsumaru Fujita, Yuji Nagatomo, Shin Murayama, Manabu Hamada +1 more | 2013-01-15 |
| 8185025 | Device for developing an electrostatic latent image, and process cartridge and image forming apparatus including the same | Shin Murayama, Ryuji Inoue, Shuuichi Nakagawa, Kazushige Ohnishi | 2012-05-22 |
| 8010023 | Developing device, process cartridge and image forming apparatus | Shin Murayama, Shuichi Nakagawa, Ryuji Inoue | 2011-08-30 |
| 7945195 | Developing device having developer regulating member, and image forming apparatus using developing device | Ryuji Inoue, Shuuichi Nakagawa, Shin Murayama, Rumi Konishi, Kazushige Oonishi | 2011-05-17 |
| 7890033 | Developing device, process unit, and image forming apparatus which prevents ingrass of the developing agent in the vicinity of the developing member | Shin Murayama, Shuuichi Nakagawa, Ryuji Inoue | 2011-02-15 |
| 7865118 | Developing device for image forming apparatus and process cartridge having the same | Shuuichi Nakagawa, Ryuji Inoue, Shin Murayama, Kazushige Ohnishi | 2011-01-04 |
| 7835652 | Image developing method, image developing device, and image forming device | Rumi Konishi, Shuuichi Nakagawa, Ryuji Inoue, Shin Murayama, Kazushige Oonishi | 2010-11-16 |
| 7831182 | Developing device, image forming apparatus, and development error detecting method | Rumi Konishi, Kenji Asuwa, Yoshiko Ogawa, Shuuichi Nakagawa, Ryuji Inoue +2 more | 2010-11-09 |
| 7680443 | Developing device including an advance impeding member and an image forming apparatus using the same | Shin Murayama, Shuuichi Nakagawa, Ryuji Inoue | 2010-03-16 |
| 7676184 | Developing apparatus | Shin Murayama, Shuuichi Nakagawa, Ryuji Inoue, Yuji Nagatomo, Kazushige Oonishi +2 more | 2010-03-09 |
| 7634213 | Toner collecting device, image forming unit and image forming apparatus | Tomofumi Yoshida, Yoshiyuki Shimizu, Kenzo Tatsumi, Hirobumi Ooyoshi | 2009-12-15 |