Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10607773 | Powder molding apparatus and manufacture of rare earth sintered magnet using the apparatus | Osamu Kohno, Ryuji Nakamura, Takahiro Hashimoto | 2020-03-31 |
| 9711280 | Method for preparing rare earth sintered magnet | Eiji Uesaka, Osamu Kohno, Kenji Imamura, Takahiro Hashimoto | 2017-07-18 |
| 7908897 | Spline rolling tool, and process of manufacturing spline rolling tool | Masahiko Igarashi, Hideo Watanabe, Nobuyoshi Asaga, Satoshi Komuro, Takeshi Mochizuki +3 more | 2011-03-22 |
| 7392680 | Rolling die and method for forming thread or worm and spline having small number of teeth by rolling simultaneously | Yasuo Kinoshita, Masahiko Higuchi | 2008-07-01 |
| 5379622 | Method of forming helical splines with stoppers on a rotary shaft, and rolling tools for practicing the method | Mitsuo Saito, Shigetake Aoyagi, Shuzo Isozumi, Noriyuki Tanaka, Junichi Kasa | 1995-01-10 |