Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8968976 | Method for regenerating carrier core material for electrophotography, method for manufacturing carrier for electrophotography, and carrier for electrophotography | Takayuki Shimizu, Kazumi Ohtaki, Shinichiro Yagi, Takeshi Sako | 2015-03-03 |
| 8846810 | Polymer particle and method for producing the same | Nobuyuki Mase, Takeshi Sako, Shunsuke Mori, Keishi Mizuno, Yoshitaka Yamauchi +4 more | 2014-09-30 |
| 8299190 | Colored polymer particles, method for producing the same, and toner and developer using the same | Takeshi Sako, Takahiro Yamashita, Satoyuki Sekiguchi, Chiaki Tanaka, Shogo Suzuki +1 more | 2012-10-30 |
| 8246712 | Soapstock treatment apparatus, soapstock treatment method, and method for manufacturing fertilizer derived from soapstock | Takeshi Sako, Hajime Hori, Masahito Furuki, Ryousuke Shimobayashi | 2012-08-21 |