Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11281118 | Toner, toner accommodating container, developer, developing device, process cartridge, image forming apparatus, and image forming method | Masayuki Ishii, Hyo Shu | 2022-03-22 |
| 9857709 | Toner and developer | Naohiro Watanabe, Tsuyoshi Sugimoto, Mamoru Hozumi, Tomoyuki Sato | 2018-01-02 |
| 9348259 | Toner housing container and image forming apparatus | Masashi Nagayama, Hisashi Nakajima, Yoshitaka Sekiguchi, Saori Yamada, Mariko Takii +6 more | 2016-05-24 |
| 9182694 | Toner, image forming apparatus, image forming method, and process cartridge | Saori Yamada, Hisashi Nakajima, Masashi Nagayama, Mariko Takii, Yoshitaka Sekiguchi | 2015-11-10 |
| 9005862 | Toner, image forming method, and process cartridge | Masashi Nagayama, Hisashi Nakajima, Saori Yamada, Mariko Takii, Yoshitaka Sekiguchi | 2015-04-14 |
| 9004285 | Classifying apparatus, classifying method, and method for producing toner | Tetsuya Tanaka, Hiroki Morioka, Kaoru Aoki, Makoto Hirai | 2015-04-14 |
| 8911924 | Toner and method for producing the same | Tomoyuki Sato, Naohiro Watanabe, Tsuyoshi Sugimoto, Mamoru Hozumi | 2014-12-16 |
| 8758968 | Toner, production method thereof, developer and image forming method | Naohiro Watanabe, Tsuyoshi Sugimoto, Mamoru Hozumi, Osamu Uchinokura | 2014-06-24 |
| 8741521 | Toner, developer, image forming method and image forming apparatus | Mamoru Hozumi, Tsuyoshi Sugimoto, Naohiro Watanabe, Tomoyuki Satoh, Osamu Uchinokura +1 more | 2014-06-03 |
| 8431304 | Toner and developer | Tsuyoshi Sugimoto, Naohiro Watanabe, Osamu Uchinokura, Tomoyuki Satoh, Mamoru Hozumi | 2013-04-30 |
| 7454881 | Method of sealing a cylindrical inlet of a bag | Moriaki Saito, Masami Iguchi, Hideki Satoh, Shigeo Hatada, Michio Urata | 2008-11-25 |