Issued Patents All Time
Showing 1–25 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12308254 | Load lock device | Naoya Fukuda, Shuji Kumagai, Shinji Takagi, Tetsuro TODA, Hidetoshi Shimokawa +3 more | 2025-05-20 |
| 12211735 | Load lock device | Naoya Fukuda, Shinji Takagi, Hidetoshi Shimokawa | 2025-01-28 |
| 11970390 | Method for producing microchannel device | Takeshi Yamamoto, Keiji Miyazaki, Hiroki Tanaka, MAKOTO FUKATSU, Akihisa Matsukawa +4 more | 2024-04-30 |
| 11320759 | Image forming apparatus having a voltage applying unit that applies voltage to a regulating member | Yuki Yamamoto, Takashi Hiramatsu, Masanori Tanaka | 2022-05-03 |
| 10935904 | Image forming apparatus | Takuya Kitamura, Kazunari Hagiwara, Takashi Hiramatsu, Koji An | 2021-03-02 |
| 10866533 | Image forming apparatus | Takahiro Kawamoto, Kazuhiro Okubo, Yuji Kawaguchi, Masanori Tanaka | 2020-12-15 |
| 10719028 | Process cartridge and image forming apparatus | Koji An, Kazunari Hagiwara, Takuya Kitamura, Takashi Hiramatsu | 2020-07-21 |
| 10591856 | Roller with filler bundle in elastic layer and fixing device | Yutaka Sato, Kazuhiro Doda, Kohei Wakatsu, Tsuguhiro Yoshida | 2020-03-17 |
| 10571823 | Image forming apparatus having recovery of toner by developing member, control of charging voltage and charging member cleaning operation | Kazuhiro Okubo, Masanori Tanaka, Takahiro Kawamoto, Yuji Kawaguchi | 2020-02-25 |
| 10558138 | Image forming apparatus | Masanori Tanaka, Kazuhiro Okubo, Takahiro Kawamoto, Yuji Kawaguchi | 2020-02-11 |
| 10545440 | Pressure roller, image heating device, and image forming apparatus | Shoichiro Ikegami, Naofumi Murata, Yutaka Arai | 2020-01-28 |
| 10539906 | Image forming apparatus to acquire image bearing member surface potentials | Yuji Kawaguchi, Kazuhiro Okubo, Takahiro Kawamoto, Masanori Tanaka | 2020-01-21 |
| 10534297 | Electrophotographic rotatable pressing member and method of manufacturing the same, and fixing device | Yutaka Arai, Takeshi Suzuki, Akeshi Asaka, Shigeaki Takada, Masaaki Takahashi +1 more | 2020-01-14 |
| 10429766 | Developing apparatus having a large capacity toner storage chamber, and image forming apparatus | Kazuhiro Okubo, Takaaki Shinkawa | 2019-10-01 |
| 10353330 | Electrophotographic rotatable pressing member and method of manufacturing the same, and fixing device | Yutaka Arai, Takeshi Suzuki, Akeshi Asaka, Shigeaki Takada, Masaaki Takahashi +1 more | 2019-07-16 |
| 10295926 | Image forming apparatus | Takahiro Kawamoto, Kazuhiro Okubo, Yuji Kawaguchi, Masanori Tanaka | 2019-05-21 |
| 10281858 | Roller with elastic layers having different indentation elastic moduli, and fixing device having roller | Naofumi Murata, Shoichiro Ikegami, Yutaka Arai | 2019-05-07 |
| 10254694 | Image forming apparatus | Kazuhiro Okubo, Takahiro Kawamoto, Yuji Kawaguchi, Masanori Tanaka | 2019-04-09 |
| 10241445 | Image forming apparatus | Shunsuke Mizukoshi, Takaaki Shinkawa, Takahiro Ikeda, Yuji Kawaguchi | 2019-03-26 |
| 10078291 | Developing apparatus having a projecting regulating member and process cartridge | Takaaki Shinkawa, Kazuhiro Okubo, Yoshinobu Ogawa, Ryo Sugiyama, Mitsuru Okuda | 2018-09-18 |
| 9996026 | Developing apparatus having a large capacity toner storage chamber, and image forming apparatus | Kazuhiro Okubo, Takaaki Shinkawa | 2018-06-12 |
| 9897942 | Image forming apparatus controlling contact pressure between image bearing member and transfer device | Shunsuke Mizukoshi, Takaaki Shinkawa, Takahiro Ikeda, Yuji Kawaguchi | 2018-02-20 |
| 9891583 | Remanufacturing method of developer accommodating unit | Noritomo Yamaguchi, Yuichi Fukui, Satoshi Nishiya | 2018-02-13 |
| 9701053 | Fixing member manufacturing apparatus | Akeshi Asaka, Shuichi Tamura, Hiroto Sugimoto, Shinsuke Takahashi, Shigeaki Takada +2 more | 2017-07-11 |
| 9703232 | Image forming apparatus that performs a contacting operation for contacting a developing member with an image bearing member | Takaaki Shinkawa, Yuji Kawaguchi, Takahiro Ikeda, Shunsuke Mizukoshi | 2017-07-11 |