Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11987714 | Copper phthalocyanine pigment composition and ink composition containing same | Taichi Hashiguchi | 2024-05-21 |
| 10526491 | Quinacridone pigment composition for coloring resins | Hideki Okabe, Yukiko Higuchi | 2020-01-07 |
| 10040942 | Process for producing quinacridone pigment composition | Hideki Okabe, Yukiko Higuchi | 2018-08-07 |
| 8950283 | Method for manufacturing nut for ball screw and ball screw | Atsushi Watanabe, Toru Harada, Shouji Yokoyama, Kiyoshi Ootsuka, Koji Hashimoto +4 more | 2015-02-10 |
| 8196486 | Ball screw mechanism and assembling method of the same | Toru Harada, Yoshinori Jingu, Tomofumi Yamashita | 2012-06-12 |
| 7530282 | Ball screw apparatus | Koji Hashimoto | 2009-05-12 |