Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10183275 | Titanium oxide particle, method for producing titanium oxide particle, and composition for forming photocatalyst | Hiroyoshi Okuno, Hideaki Yoshikawa, Takeshi Iwanaga, Sakae TAKEUCHI | 2019-01-22 |
| 10155220 | Titanium oxide particle, composition for forming photocatalyst, and photocatalyst | Hiroyoshi Okuno, Hideaki Yoshikawa, Takeshi Iwanaga, Sakae TAKEUCHI | 2018-12-18 |
| 9919930 | Silica particles and method of preparing the same | Yuka ZENITANI, Takeshi Iwanaga | 2018-03-20 |
| 9885969 | Carrier for two-component developer, two-component developer, and method of preparing carrier for two-component developer | Takeshi Tanabe, Toshiaki Hasegawa, Masaaki Usami, Takeshi Iwanaga | 2018-02-06 |
| 9864293 | Electrostatic charge image developing carrier, method of preparing electrostatic charge image developing carrier, and electrostatic charge image developer | Toshiaki Hasegawa, Takashi Tanabe, Masaaki Usami, Takeshi Iwanaga | 2018-01-09 |
| 9243145 | Silica composite particles and method of preparing the same | Takeshi Iwanaga, Yuka ZENITANI, Chika HAMA, Yoshifumi Iida | 2016-01-26 |
| 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, Yuka ZENITANI, Chika HAMA | 2015-04-07 |
| 8779173 | Method of preparing silica composite particles | Hiroyoshi Okuno, Takeshi Iwanaga, Yoshifumi Iida, Chika HAMA, Shunsuke NOZAKI | 2014-07-15 |
| 8586275 | Electrostatic-latent-image-developing toner, electrostatic latent image developer, process for producing electrostatic-latent-image-developing toner, image-forming method, and image-forming apparatus | Hitomi Akiyama, Junichi Tomonaga | 2013-11-19 |
| 8535866 | Yellow electrostatic developing toner, developer for electrostatic development, production method of electrostatic developing toner, image forming method and image forming apparatus | Junichi Tomonaga, Hitomi Akiyama | 2013-09-17 |
| 8304156 | Magenta electrostatic developing toner, developer for electrostatic development, production method of electrostatic developing toner, image forming method and image forming apparatus | Hitomi Akiyama, Junichi Tomonaga | 2012-11-06 |
| 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, Takeshi Iwanaga, Hiroyoshi Okuno | 2011-08-02 |