Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Yuka ZENITANI, Hiroyoshi Okuno, Shinichiro Kawashima, Sakae TAKEUCHI | 2015-11-17 |
| 8962139 | Resin particle and method for producing the same | Yuka ZENITANI, Hideaki Yoshikawa, Hiroyoshi Okuno, Shinichiro Kawashima, Sakae TAKEUCHI +1 more | 2015-02-24 |
| 8871344 | Hydrophobization treatment of silica particles | Yuka ZENITANI, Hideaki Yoshikawa, Hiroyoshi Okuno, Shinichiro Kawashima, Sakae TAKEUCHI | 2014-10-28 |
| 8779173 | Method of preparing silica composite particles | Hiroyoshi Okuno, Takeshi Iwanaga, Yoshifumi Iida, Chika HAMA, Yasunobu KASHIMA | 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, Hideaki Yoshikawa, Shinichiro Kawashima, Sakae TAKEUCHI, Yuka ZENITANI +2 more | 2014-01-14 |
| 8597866 | Method of producing a carrier for electrophotography and method of producing a developer for electrophotography | Sakon Takahashi, Norihito Fukushima, Michio Take | 2013-12-03 |
| 8431633 | Silica particles, manufacturing method thereof and resin particles | Hideaki Yoshikawa, Yuka ZENITANI, Hiroyoshi Okuno, Shinichiro Kawashima, Yasuo Kadokura +1 more | 2013-04-30 |