Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9919930 | Silica particles and method of preparing the same | Takeshi Iwanaga, Yasunobu KASHIMA | 2018-03-20 |
| 9910372 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Moegi Iguchi, Sakon Takahashi, Takeshi Tanabe, Hiroshi Kamada, Yasuaki Hashimoto +3 more | 2018-03-06 |
| 9904197 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Yoshifumi Eri, Hiroyoshi Okuno, Satoshi Inoue, Yoshifumi Iida, Tomohito Nakajima +5 more | 2018-02-27 |
| 9891543 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Yasuo Kadokura, Hiroyoshi Okuno, Satoshi Inoue, Yoshifumi Iida, Tomohito Nakajima +5 more | 2018-02-13 |
| 9885966 | Electrostatic charge image developing toner, electrostatic charge image developer and toner cartridge | Tomohito Nakajima, Hiroyoshi Okuno, Satoshi Inoue, Yoshifumi Iida, Yoshifumi Eri +5 more | 2018-02-06 |
| 9864287 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Yoshifumi Iida, Hiroyoshi Okuno, Satoshi Inoue, Tomohito Nakajima, Yoshifumi Eri +5 more | 2018-01-09 |
| 9835963 | Magnetic one-component developer, developer cartridge, process cartridge, image forming apparatus, and image forming method | Satoshi Inoue, Hiroyoshi Okuno, Yoshifumi Iida, Tomohito Nakajima, Yoshifumi Eri +5 more | 2017-12-05 |
| 9835966 | Electrostatic charge image developer, developer cartridge, and process cartridge | Yasuhisa Morooka, Hiroyoshi Okuno, Satoshi Inoue, Yoshifumi Iida, Tomohito Nakajima +5 more | 2017-12-05 |
| 9785069 | Image forming apparatus, electrostatic charge image developer, and electrostatic charge image developing toner | Yoshifumi Iida, Hiroyoshi Okuno, Satoshi Inoue, Tomohito Nakajima, Yoshifumi Eri +5 more | 2017-10-10 |
| 9726994 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Yoshifumi Eri, Hiroyoshi Okuno, Satoshi Inoue, Yoshifumi Iida, Tomohito Nakajima +5 more | 2017-08-08 |
| 9726998 | Electrostatic charge image developer, developer cartridge, and process cartridge | Yasuhisa Morooka, Hiroyoshi Okuno, Satoshi Inoue, Yoshifumi Iida, Tomohito Nakajima +5 more | 2017-08-08 |
| 9708191 | Silica composite particles and method of preparing the same | Takeshi Iwanaga, Yoshifumi Iida, Daisuke Tomita | 2017-07-18 |
| 9416015 | Method of producing silica particles | Hideaki Yoshikawa, Hiroyoshi Okuno, Shunsuke NOZAKI, Shinichiro Kawashima, Sakae TAKEUCHI | 2016-08-16 |
| 9394413 | Resin particle and method for producing the same | Hideaki Yoshikawa, Hiroyoshi Okuno, Shunsuke NOZAKI, Shinichiro Kawashima, Sakae TAKEUCHI +1 more | 2016-07-19 |
| 9243145 | Silica composite particles and method of preparing the same | Takeshi Iwanaga, Yasunobu KASHIMA, Chika HAMA, Yoshifumi Iida | 2016-01-26 |
| 9233853 | Method for producing silica particles | Sakae TAKEUCHI, Shinichiro Kawashima, Hiroyoshi Okuno, Hideaki Yoshikawa, Yuji Masuda +1 more | 2016-01-12 |
| 9199852 | Method of manufacturing silica particle dispersion | Sakae TAKEUCHI, Shinichiro Kawashima, Hiroyoshi Okuno, Hideaki Yoshikawa, Yasuo Kadokura +1 more | 2015-12-01 |
| 9187502 | Silica particles and method for producing the same | Hideaki Yoshikawa, Hiroyoshi Okuno, Shunsuke NOZAKI, Shinichiro Kawashima, Sakae TAKEUCHI | 2015-11-17 |
| 8999617 | Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Yoshifumi Iida, Takeshi Iwanaga, Yasunobu KASHIMA, Chika HAMA | 2015-04-07 |
| 8962139 | Resin particle and method for producing the same | Hideaki Yoshikawa, Hiroyoshi Okuno, Shunsuke NOZAKI, Shinichiro Kawashima, Sakae TAKEUCHI +1 more | 2015-02-24 |
| 8871344 | Hydrophobization treatment of silica particles | Hideaki Yoshikawa, Hiroyoshi Okuno, Shunsuke NOZAKI, Shinichiro Kawashima, Sakae TAKEUCHI | 2014-10-28 |
| 8628900 | Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Yasuo Kadokura, Shunsuke NOZAKI, Hideaki Yoshikawa, Shinichiro Kawashima, Sakae TAKEUCHI +2 more | 2014-01-14 |
| 8431633 | Silica particles, manufacturing method thereof and resin particles | Hideaki Yoshikawa, Hiroyoshi Okuno, Shinichiro Kawashima, Yasuo Kadokura, Shunsuke NOZAKI +1 more | 2013-04-30 |