Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11131612 | Method for estimating hardness of cold worked component and method for acquiring hardness-equivalent plastic strain curve of steel material | Mitsuharu Yamagata, Nobuo Yoshikawa | 2021-09-28 |
| 10857582 | Method of manufacturing tooth-shaped component, and tooth-shaped component | Mitsuharu Yamagata, Shuji Yamamoto | 2020-12-08 |
| 10407748 | High-carbon steel sheet and method of manufacturing the same | Kengo Takeda, Toshimasa Tomokiyo, Takashi Aramaki | 2019-09-10 |
| 9840750 | Medium carbon steel sheet for cold working and method for manufacturing the same | Kengo Takeda, Masayuki Abe, Takashi Aramaki, Shinichi Yamaguchi | 2017-12-12 |
| 8992704 | Aluminum plated steel sheet for rapid heating hot-stamping, production method of the same and rapid heating hot-stamping method by using this steel sheet | Jun Maki, Masayuki Abe, Kazuhisa Kusumi | 2015-03-31 |
| 8945719 | Steel plate for cold forging and process for producing same | Masayuki Abe, Kengo Takeda, Shuji Yamamoto, Shinichi Yamaguchi | 2015-02-03 |