Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10570478 | Steel for mechanical structure for cold working, and method for producing same | Yuki Sasaki, Takehiro Tsuchida, Takuya Kochi, Koji Yamashita, Kei MASUMOTO +1 more | 2020-02-25 |
| 10060015 | Steel for high-strength bolts which has excellent delayed fracture resistance and bolt formability, and bolt | Yosuke Matsumoto, Atsushi INADA, Yoshimasa Ureshino, Reiko Kato | 2018-08-28 |
| 9914990 | Steel for mechanical structure for cold working, and method for manufacturing same | Koji Yamashita, Takehiro Tsuchida | 2018-03-13 |
| 9890445 | Steel for mechanical structure for cold working, and method for manufacturing same | Kouji Yamashita, Takehiro Tsuchida | 2018-02-13 |
| 9845519 | Boron-added high strength steel for bolt and high strength bolt having excellent delayed fracture resistance | Yosuke Matsumoto, Atsushi INADA | 2017-12-19 |
| 9835194 | Steel wire for bolt, bolt, and manufacturing processes therefor | Yousuke Matsumoto, Ichiro Sugita, Masaru Tanimoto | 2017-12-05 |
| 9695488 | Steel for bolt use, bolt, and method for manufacturing bolt | Yosuke Matsumoto, Atsushi INADA | 2017-07-04 |
| 9275779 | Iron-based soft magnetic powder for dust core, preparation process thereof, and dust core | Hirofumi Hojo, Hiroyuki Mitani, Nobuaki Akagi, Tomotsuna Kamijo | 2016-03-01 |
| 7540927 | Soft magnetic steels excellent in cold forgeability, machinability and magnetic properties, and soft magnetic steel parts excellent in magnetic properties | — | 2009-06-02 |
| 7267729 | Soft magnetic low-carbon steel excellent in machinability and magnetic characteristic, method of manufacturing the same and method of manufacturing soft magnetic low-carbon part | Masato Kaiso | 2007-09-11 |