Issued Patents All Time
Showing 1–25 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12394803 | Production method of catalyst, catalyst, production method of composition, composition, electrode, manufacturing method of electrode, fuel cell, metal-air battery | Hiroshi Yabu, Koju Ito, Koki Nakamura | 2025-08-19 |
| 12145938 | Compound and polymer compound containing the compound | Shohei Saito, Hiroshi Yabu | 2024-11-19 |
| 11772084 | Catalyst, liquid composition, electrode, catalyst electrode for electrochemical reaction, fuel cell, and air battery | Hiroshi Yabu, Tomokazu Matsue, Akichika Kumatani, Yutaro Hirai, Kohei Nozaki | 2023-10-03 |
| 11560383 | Compound and polymer compound containing the compound | Shohei Saito, Hiroshi Yabu | 2023-01-24 |
| 10877413 | Fixing belt, fixing device, and image forming apparatus | Atsuo Hirai, Asae Kamata, Yasuhide Fujiwara | 2020-12-29 |
| 9927014 | Stator structure for torque converter | Tomoya Okaji, Tomohiko Usui, Yoshitaka Mishima | 2018-03-27 |
| 9372435 | Toner carrier | Masaki Watanabe, Yasutaka Shimizu | 2016-06-21 |
| 9372436 | Toner carrier | Masaki Watanabe, Yasutaka Shimizu | 2016-06-21 |
| 9267591 | Torque converter stator structure | Tomoya Okaji, Yoshitaka Mishima, Tomohiko Usui, Akira Kitajima, Tomohiko Tsuchiya | 2016-02-23 |
| 9098016 | Roller, developing roller, developing device, process cartridge, and image forming apparatus | Yuki Moro, Noriyuki Kamiya, Masashi Nakayama, Soichiro Fukutomi, Rei Suzuki +2 more | 2015-08-04 |
| 8971754 | Toner carrier | Masaki Watanabe, Yasutaka Shimizu | 2015-03-03 |
| 8958729 | Magnet roller, developer bearer, development device, process cartridge, and image forming apparatus | Takashi Innami, Noriyuki Kamiya, Masayuki Ohsawa, Yoshiyuki Takano | 2015-02-17 |
| 8565652 | Development roller, development device, process cartridge and image-forming apparatus | Takumi Terasaka, Toshio Kojima, Kyohta Koetsuka, Noriyuki Kamiya, Masayuki Ohsawa | 2013-10-22 |
| 8535116 | Magnetic particle carrying device, and developing unit, process cartridge, and image forming apparatus using the same, and surface treatment method of the same | Tsuyoshi Imamura, Kyohta Koetsuka, Tadaaki Hattori, Yoshiyuki Takano, Noriyuki Kamiya +3 more | 2013-09-17 |
| 8500615 | Magnetic roller and manufacturing method thereof, developer carrier, development device, processing cartridge, and image forming apparatus | Tsuyoshi Imamura, Yoshiyuki Takano, Kyohta Koetsuka, Tadaaki Hattori, Noriyuki Kamiya +3 more | 2013-08-06 |
| 8175501 | Development roller including a development sleeve, surface treatment device that treats an outer surface of the development sleeve and wire member that roughens the outer surface of the development sleeve | Noriyuki Kamiya, Tsuyoshi Imamura, Sumio Kamoi, Kyohta Koetsuka, Yoshiyuki Takano +4 more | 2012-05-08 |
| 8135316 | Development roller, development device, process cartridge and image forming device | Toshio Kojima, Kyohta Koetsuka, Noriyuki Kamiya, Rei Suzuki, Tadaaki Hattori +3 more | 2012-03-13 |
| 8023867 | Magnet roller and method for the same, magnetic particle-support member, development device, process cartridge, and image forming apparatus | Yoshiyuki Takano, Tsuyoshi Imamura, Kyohta Koetsuka, Noriyuki Kamiya, Masayuki Ohsawa +3 more | 2011-09-20 |
| 7917067 | Magnetic field generating member and manufacturing method thereof, magnetic particle support body, image development device, process cartridge and image forming apparatus | Yoshiyuki Takano, Kyohta Koetsuka, Noriyuki Kamiya, Masayuki Ohsawa, Mieko Terashima +3 more | 2011-03-29 |
| 7907876 | Developer carrier, development device, process cartridge, and image forming apparatus | Masayuki Ohsawa, Tadaaki Hattori, Kyohta Koetsuka, Yoshiyuki Takano, Noriyuki Kamiya +2 more | 2011-03-15 |
| 7905434 | Powder processing apparatus | Makio Naito, Kiyoshi Nogi, Masuo Hosokawa, Takehisa Fukui, Masahiro Yoshikawa | 2011-03-15 |
| 7899374 | Magnetic particle carrying device, and developing unit, process cartridge, and image forming apparatus using the same, and surface treatment method of the same | Tsuyoshi Imamura, Kyohta Koetsuka, Tadaaki Hattori, Yoshiyuki Takano, Noriyuki Kamiya +3 more | 2011-03-01 |
| 7891094 | Method of manufacturing a hollow body used in an image forming apparatus | Tsuyoshi Imamura, Kyohta Koetsuka, Yoshiyuki Takano, Masayuki Ohsawa, Mieko Terashima +3 more | 2011-02-22 |
| 7890030 | Magnetic roller, developer carrier, developing device, process cartridge, and image forming apparatus | Takashi Innami, Kyohta Koetsuka, Yoshiyuki Takano, Tadaaki Hattori, Noriyuki Kamiya +3 more | 2011-02-15 |
| 7806109 | Fuel supply apparatus | Mamoru Tateishi, Yasuo Hosokawa, Tetsuji Inoue, Lei Zhang | 2010-10-05 |