Issued Patents All Time
Showing 25 most recent of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11312865 | Image forming method | Takaki Kawamura, Natsuki Ito, Yusuke TAKIGAURA, Ami MOTOHASHI | 2022-04-26 |
| 10901333 | Electrostatic image developing toner | Kouji Sugama, Hiroshi Nagasawa, Anju Hori | 2021-01-26 |
| 10379452 | Color image forming process and color toner set | Natsuki Ito, Kouji Sugama, Kenshi Miyajima, Yohei Ohno, Hidehito HARUKI +1 more | 2019-08-13 |
| 10353309 | Electrostatic image developing toner | Kouji Sugama, Hiroshi Nagasawa, Anju Hori | 2019-07-16 |
| 10254672 | Toner for developing electrostatic charge image | Shiro Hirano | 2019-04-09 |
| 10203621 | Image forming method and toner set for developing electrostatic latent image | Kenshi Miyajima, Kouji Sugama, Natsuki Ito, Yohei Ohno, Hidehito HARUKI +1 more | 2019-02-12 |
| 10168631 | Electrostatic image developing toner and production method of electrostatic image developing toner | Hidehito HARUKI, Kouji Sugama | 2019-01-01 |
| 10133200 | Electrostatic image developing toner | Kouji Sugama, Hiroshi Nagasawa, Anju Hori | 2018-11-20 |
| 10126668 | Toner for electrostatic charge image development | Kouji Sugama, Shiro Hirano, Kaori Matsushima | 2018-11-13 |
| 10120296 | Electrostatic latent image developing toner | Kaori Matsushima, Shiro Hirano, Kouji Sugama | 2018-11-06 |
| 9996017 | Electrostatic latent image developing toner | Aya Shirai, Kouji Sugama, Shiro Hirano | 2018-06-12 |
| 9983491 | Process for producing a toner | Junya Onishi, Shiro Hirano, Kouji Sugama, Aya Shirai | 2018-05-29 |
| 9933717 | Toner for electrostatic charge image development and image forming method | Tatsuya FUJISAKI | 2018-04-03 |
| 9933716 | Toner for electrostatic charge image development | Shiro Hirano, Kouji Sugama, Junya Onishi, Aya Shirai, Tatsuya FUJISAKI | 2018-04-03 |
| 9846379 | Process for producing a toner | Junya Onishi, Shiro Hirano, Kouji Sugama, Aya Shirai | 2017-12-19 |
| 9715186 | Electrostatic image developing toner | Kouji Sugama, Yohei Ohno, Keisuke Asano | 2017-07-25 |
| 9703220 | Image forming method and toner set | Shiro Hirano, Kouji Sugama, Junya Onishi, Aya Shirai, Tatsuya FUJISAKI | 2017-07-11 |
| 9703218 | Toner for developing electrostatic latent images | Tomomi Oshiba, Ken Ohmura, Kaori Matsushima, Ito Koga, Noriyuki Kimpara | 2017-07-11 |
| 9568848 | Electrostatic image developing toner | Hiroshi Nagasawa, Kouji Sugama, Anju Hori, Keisuke Asano | 2017-02-14 |
| 9423712 | Toner for electrostatic image development | Kouji Sugama, Hiroshi Nagasawa, Anju Hori, Junya Onishi | 2016-08-23 |
| 8778586 | Toner for electrostatic latent image development | Shinya Obara, Tatsuya Nagase, Junya Onishi, Tatsuya FUJISAKI, Kenshi Miyajima | 2014-07-15 |
| 8771915 | Image forming method | Hiroshi Nagasawa, Anju Hori | 2014-07-08 |
| 8741523 | Toner for developing electrostatic image and manufacturing method thereof | Anju Hori, Hiroshi Nagasawa | 2014-06-03 |
| 8685606 | Toner for electrostatic image development | Junya Onishi, Shiro Hirano, Satoshi Uchino, Shinya Obara | 2014-04-01 |
| 8431320 | Toner manufacturing method | Masaharu Matsubara, Hiroyuki Kozuru | 2013-04-30 |