Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12411429 | Toner, developer, toner storage unit, image forming apparatus, and image forming method | Akio Takei, Toma Takebayashi, Masahiro Yukikawa, Tomomi Harashima, Hiroshi Yamada | 2025-09-09 |
| 12306580 | Toner and production method thereof, and toner stored unit, image forming apparatus, and image forming method | Hiroshi Yamada, Akio Takei, Yasuo Kamada, Toma Takebayashi | 2025-05-20 |
| 12287605 | Toner and production method thereof, toner stored unit, image forming apparatus, and image forming method | Yasuo Kamada, Hiroshi Yamada, Akio Takei, Toma Takebayashi, Masahiro Yukikawa | 2025-04-29 |
| 10073366 | Toner, toner storage unit, image forming apparatus, and method for manufacturing toner | Kohsuke Nagata, Ryuuta Yoshida, Shinya Nakayama, Tsuyoshi Sugimoto, Hideyuki Santo +5 more | 2018-09-11 |
| 9880479 | Toner, toner stored unit, image forming apparatus, and image forming method | Hideyuki Santoh, Tsuyoshi Sugimoto, Shin Hasegawa, Suzuka Amemori, Kohsuke Nagata +1 more | 2018-01-30 |
| 9588451 | Toner, developer, and image forming apparatus | Akihiro Takeyama, Shinya Nakayama, Shinsuke Nagai, Hiroyuki Takeda | 2017-03-07 |
| 9557671 | Electrostatic image developing toner, developer, and image forming apparatus | Ryuta Chiba, Shinya Nakayama, Hiroshi Yamada, Minoru Masuda, Hideyuki Santo +6 more | 2017-01-31 |
| 8492063 | Method of manufacturing toner | Junichi Awamura, Masahide Yamada, Osamu Uchinokura, Tomomi Suzuki | 2013-07-23 |
| 8192911 | Method of manufacturing toner and toner | Junichi Awamura, Osamu Uchinokura, Masahide Yamada, Tomomi Suzuki | 2012-06-05 |
| 8187785 | Method of manufacturing toner | Junichi Awamura, Osamu Uchinokura, Tomomi Suzuki | 2012-05-29 |
| 8178276 | Method of manufacturing toner | Osamu Uchinokura, Junichi Awamura, Masahide Yamada, Hiroshi Yamada | 2012-05-15 |
| 8137883 | Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container | Ryota Inoue, Shigeru Emoto, Naohiro Watanabe, Masahide Yamada, Masahiro Ohki +4 more | 2012-03-20 |
| 8124308 | Toner, vessel with the toner, developer, image forming apparatus and process cartridge and image forming method | Naohiro Watanabe, Shigeru Emoto, Yohichiroh Watanabe, Masahide Yamada, Tsunemi Sugiyama +4 more | 2012-02-28 |
| 8034524 | Toner and image forming method using the toner | Ryota Inoue, Sonoh Matsuoka, Chiaki Tanaka, Naohiro Watanabe, Masahide Yamada +1 more | 2011-10-11 |
| 8026031 | Toner, vessel with the toner, developer, image forming apparatus and process cartridge and image forming method | Naohiro Watanabe, Shigeru Emoto, Yohichiroh Watanabe, Masahide Yamada, Tsunemi Sugiyama +4 more | 2011-09-27 |
| 8007977 | Toner and image forming method using the toner | Ryota Inoue, Sonoh Matsuoka, Chiaki Tanaka, Naohiro Watanabe, Masahide Yamada +1 more | 2011-08-30 |
| 7989131 | Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container | Ryota Inoue, Shigeru Emoto, Naohiro Watanabe, Masahide Yamada, Masahiro Ohki +4 more | 2011-08-02 |
| 7932007 | Toner and method for producing the same, and image-forming method using the same | Hiroshi Yamashita, Chiaki Tanaka, Yohichiroh Watanabe, Tsunemi Sugiyama, Masahiro Ohki +4 more | 2011-04-26 |
| 7824831 | Toner | Masahide Yamada, Osamu Uchinokura, Junichi Awamura | 2010-11-02 |
| 7824834 | Toner for developing electrostatic image, method for preparing the toner, and image forming method and apparatus using the toner | Junichi Awamura, Masahide Yamada, Toyoshi Sawada, Takuya Seshita, Tomomi Suzuki | 2010-11-02 |
| 7820350 | Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method | Masahide Yamada, Shigeru Emoto, Naohiro Watanabe, Masahiro Ohki, Shinichi Wakamatsu | 2010-10-26 |
| 7695883 | Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same | Masahide Yamada, Ryota Inoue, Naohiro Watanabe, Shigeru Emoto, Masahiro Ohki +9 more | 2010-04-13 |
| 7670741 | Toner | Masahide Yamada, Masahiro Ohki | 2010-03-02 |
| 7666563 | Toner and developer using the toner | Masahiro Ohki, Naohiro Watanabe, Ryota Inoue, Masahide Yamada, Shigeru Emoto +2 more | 2010-02-23 |
| 7550245 | Toner and production method of the same, and image forming method | Ryota Inoue, Shigeru Emoto, Yohichiroh Watanabe, Naohiro Watanabe, Masahide Yamada +2 more | 2009-06-23 |