Issued Patents All Time
Showing 26–50 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9557670 | Toner, developer, and color toner set | Masana Shiba, Hiroshi Yamashita, Daisuke Asahina, Yukari Fukuda, Rintaro Takahashi +1 more | 2017-01-31 |
| 9557672 | Toner, developer, and image forming apparatus | Susumu Chiba, Shinya Nakayama, Kohsuke Nagata, Shinsuke Nagai, Daisuke Asahina | 2017-01-31 |
| 9488925 | Magenta toner, developer, and image forming apparatus | Ryuta Chiba, Shinya Nakayama, Hiroshi Yamada, Susumu Chiba, Shinsuke Nagai +2 more | 2016-11-08 |
| 9239530 | Toner for forming electrostatic image, developer, process cartridge, and image forming apparatus | Daisuke Asahina, Hiroshi Yamashita, Masana Shiba, Yukari Fukuda, Rintaro Takahashi | 2016-01-19 |
| 9207553 | Toner, developer and image forming apparatus | Hiroshi Yamashita, Susumu Chiba, Satoyuki Sekiguchi | 2015-12-08 |
| 9201325 | Toner containing crystalline polyester | Osamu Uchinokura, Satoshi Ogawa, Junichi Awamura, Satoshi Kojima, Daisuke Ito +4 more | 2015-12-01 |
| 9152067 | Toner, development agent, and image forming apparatus | Susumu Chiba, Hiroshi Yamashita, Daisuke Asahina, Taichi Nemoto, Satoyuki Sekiguchi | 2015-10-06 |
| 9034548 | Toner and image forming method | Tatsuru Moritani, Hiroshi Yamashita, Daisuke Asahina, Rintaro Takahashi, Susumu Chiba | 2015-05-19 |
| 8986916 | Yellow toner and color image forming method | Hiroshi Yamashita, Masana Shiba, Satoyuki Sekiguchi, Yukari Fukuda, Daisuke Asahina +1 more | 2015-03-24 |
| 8932788 | Toner, developer, and image forming method | Shinichi Wakamatsu, Hiroshi Yamashita, Naohiro Watanabe | 2015-01-13 |
| 8932789 | Toner and developer | Hiroshi Yamashita, Daisuke Asahina, Satoyuki Sekiguchi, Rintaro Takahashi, Masana Shiba +2 more | 2015-01-13 |
| 8911924 | Toner and method for producing the same | Tomoyuki Sato, Naohiro Watanabe, Shinya Hanatani, Mamoru Hozumi | 2014-12-16 |
| 8895217 | Electrostatic image forming toner and developer | Daisuke Asahina, Rintaro Takahashi, Hiroshi Yamashita, Taichi Nemoto, Shingo Sakashita +2 more | 2014-11-25 |
| 8865383 | Toner, toner set, developer, developer set, image forming apparatus, image forming method, and process cartridge | Kazumi Suzuki, Tatsuya Morita, Shingo Sakashita | 2014-10-21 |
| 8846289 | Method of manufacturing toner and toner manufactured by the method | Satoshi Ogawa, Naohito Shimota, Hiroshi Yamashita, Masana Shiba, Junichi Awamura | 2014-09-30 |
| 8795940 | Toner and developer | Hiroshi Yamashita, Daisuke Asahina, Rintaro Takahashi, Masahide Yamada, Shinya Nakayama +2 more | 2014-08-05 |
| 8778588 | Toner for electrostatic charge development | Teruki Kusahara, Junichi Awamura, Hyo Shu, Tomomi Suzuki, Osamu Uchinokura +8 more | 2014-07-15 |
| 8758968 | Toner, production method thereof, developer and image forming method | Naohiro Watanabe, Shinya Hanatani, Mamoru Hozumi, Osamu Uchinokura | 2014-06-24 |
| 8741521 | Toner, developer, image forming method and image forming apparatus | Mamoru Hozumi, Naohiro Watanabe, Tomoyuki Satoh, Shinya Hanatani, Osamu Uchinokura +1 more | 2014-06-03 |
| 8728703 | Electrophotographic toner, method for producing toner, developer and image forming apparatus containing toner | Hiroshi Yamashita, Satoyuki Sekiguchi, Daisuke Asahina, Masaki Watanabe, Rintaro Takahashi | 2014-05-20 |
| 8673528 | Toner, developer, toner accommodating container, process cartridge and image forming method | Hiroshi Yamashita, Naohiro Watanabe, Shinichi Wakamatsu, Masaki Watanabe, Satoshi Ogawa +3 more | 2014-03-18 |
| 8592117 | Toner and developer | Hiroshi Yamashita, Daisuke Asahina, Masaki Watanabe, Satoyuki Sekiguchi, Rintaro Takahashi | 2013-11-26 |
| 8557491 | Toner, developer, toner container, process cartridge, and image forming method | Naohito Shimota, Hiroshi Yamashita, Naohiro Watanabe, Shinichi Wakamatsu, Masaki Watanabe | 2013-10-15 |
| 8501379 | Toner and method for producing the same and developer | Hiroshi Yamashita | 2013-08-06 |
| 8486596 | Toner, image forming method, and process cartridge | Masaki Watanabe, Hiroshi Yamashita, Naohiro Watanabe, Shinichi Wakamatsu | 2013-07-16 |