Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10081718 | Resin particle composition | Sakae TAKEUCHI, Satoshi Inoue, Yoshifumi Iida, Tomohito Nakajima, Yuka ZENITANI +5 more | 2018-09-25 |
| 10061216 | Electrostatic image developer and toner, electrostatic image developer and toner cartridge | Yuka ZENITANI, Satoshi Inoue, Yoshifumi Iida, Tomohito Nakajima, Yoshifumi Eri +5 more | 2018-08-28 |
| 9946178 | Toner for electrostatic image development, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Yasuo Kadokura, Satoshi Inoue, Yoshifumi Iida, Tomohito Nakajima, Yuka ZENITANI +5 more | 2018-04-17 |
| 9904197 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Yoshifumi Eri, Satoshi Inoue, Yoshifumi Iida, Tomohito Nakajima, Yuka ZENITANI +5 more | 2018-02-27 |
| 9891543 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Yasuo Kadokura, Satoshi Inoue, Yoshifumi Iida, Tomohito Nakajima, Yuka ZENITANI +5 more | 2018-02-13 |
| 9885966 | Electrostatic charge image developing toner, electrostatic charge image developer and toner cartridge | Tomohito Nakajima, Satoshi Inoue, Yoshifumi Iida, Yuka ZENITANI, Yoshifumi Eri +5 more | 2018-02-06 |
| 9864287 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Yoshifumi Iida, Satoshi Inoue, Tomohito Nakajima, Yuka ZENITANI, 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, Yoshifumi Iida, Tomohito Nakajima, Yuka ZENITANI, Yoshifumi Eri +5 more | 2017-12-05 |
| 9835966 | Electrostatic charge image developer, developer cartridge, and process cartridge | Yasuhisa Morooka, Satoshi Inoue, Yoshifumi Iida, Tomohito Nakajima, Yuka ZENITANI +5 more | 2017-12-05 |
| 9785069 | Image forming apparatus, electrostatic charge image developer, and electrostatic charge image developing toner | Yoshifumi Iida, Satoshi Inoue, Tomohito Nakajima, Yuka ZENITANI, Yoshifumi Eri +5 more | 2017-10-10 |
| 9726998 | Electrostatic charge image developer, developer cartridge, and process cartridge | Yasuhisa Morooka, Satoshi Inoue, Yoshifumi Iida, Tomohito Nakajima, Yuka ZENITANI +5 more | 2017-08-08 |
| 9726994 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Yoshifumi Eri, Satoshi Inoue, Yoshifumi Iida, Tomohito Nakajima, Yuka ZENITANI +5 more | 2017-08-08 |
| 9475704 | Method for manufacturing fatty acid metal salt particle, and fatty acid metal salt particle | Junichi Tomonaga, Takeshi Iwanaga, Shunsuke NOZAKI, Hideaki Yoshikawa | 2016-10-25 |
| 9416015 | Method of producing silica particles | Hideaki Yoshikawa, Yuka ZENITANI, Shunsuke NOZAKI, Shinichiro Kawashima, Sakae TAKEUCHI | 2016-08-16 |
| 9394413 | Resin particle and method for producing the same | Hideaki Yoshikawa, Yuka ZENITANI, Shunsuke NOZAKI, Shinichiro Kawashima, Sakae TAKEUCHI +1 more | 2016-07-19 |
| 9233853 | Method for producing silica particles | Sakae TAKEUCHI, Shinichiro Kawashima, Hideaki Yoshikawa, Yuji Masuda, Shunsuke NOZAKI +1 more | 2016-01-12 |
| 9199852 | Method of manufacturing silica particle dispersion | Sakae TAKEUCHI, Shinichiro Kawashima, Hideaki Yoshikawa, Yasuo Kadokura, Shunsuke NOZAKI +1 more | 2015-12-01 |
| 9187502 | Silica particles and method for producing the same | Hideaki Yoshikawa, Yuka ZENITANI, Shunsuke NOZAKI, Shinichiro Kawashima, Sakae TAKEUCHI | 2015-11-17 |
| 9176408 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Yasuo Kadokura, Emi Matsushita | 2015-11-03 |
| 8962139 | Resin particle and method for producing the same | Yuka ZENITANI, Hideaki Yoshikawa, Shunsuke NOZAKI, Shinichiro Kawashima, Sakae TAKEUCHI +1 more | 2015-02-24 |
| 8871344 | Hydrophobization treatment of silica particles | Yuka ZENITANI, Hideaki Yoshikawa, Shunsuke NOZAKI, Shinichiro Kawashima, Sakae TAKEUCHI | 2014-10-28 |
| 8779173 | Method of preparing silica composite particles | Takeshi Iwanaga, Yoshifumi Iida, Chika HAMA, Yasunobu KASHIMA, Shunsuke NOZAKI | 2014-07-15 |
| 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, Yuka ZENITANI, Shinichiro Kawashima, Yasuo Kadokura, Shunsuke NOZAKI +1 more | 2013-04-30 |
| 7989130 | Electrostatic latent image developing toner, manufacturing method for electrostatic latent image developing toner, electrostatic latent image developing developer, and image forming method | Toshiaki Hasegawa, Yasunobu KASHIMA, Takeshi Iwanaga | 2011-08-02 |