Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12319977 | Hot rolled steel sheet and production method thereof | Masaharu Oka, Mitsuru Yoshida | 2025-06-03 |
| 11313009 | Hot-rolled steel sheet and method for manufacturing same | Mitsuru Yoshida, Yuuki Kanzawa, Kohhei Kamiya | 2022-04-26 |
| 10907236 | Cold rolled steel sheet for drawn can and method for manufacturing same | Masaharu Oka, Yuta DAIROKUNO, Michihiro Nono | 2021-02-02 |
| 10815553 | Galvannealed steel sheet and production method thereof | Masaharu Oka, Tetsuya Okada | 2020-10-27 |
| 10718033 | Heat-treated steel material and method of manufacturing the same | Shinichiro TABATA, Kazuo Hikida | 2020-07-21 |
| 10662494 | Heat-treated steel material and method of manufacturing the same | Shinichiro TABATA, Kazuo Hikida | 2020-05-26 |
| 10603703 | Method of manufacturing press-formed product, and press-formed product | Eiji Isogai, Riki Okamoto, Yutaka MIKAZUKI | 2020-03-31 |
| 10435761 | Heat-treated steel material and method of manufacturing the same | Shinichiro TABATA, Kazuo Hikida, Naomitsu Mizui | 2019-10-08 |
| 10060005 | High-strength hot-formed steel sheet member | Kazuo Hikida, Shinichiro TABATA, Takahiro Moriki | 2018-08-28 |
| 9045817 | Heat treated galvannealed steel material and a method for its manufacture | Tamotsu Toki, Atsushi Tomizawa, Kazuya Ishii, Kazuhito Imai, Toyomitsu Nakamura +1 more | 2015-06-02 |
| 8920582 | Heat-treated steel material, method for producing same, and base steel material for same | Kazuo Hikita | 2014-12-30 |
| 8899665 | Strength member for an automobile body, front side member, and side structure for an automobile body | Michitaka Yoshida, Atsushi Tomizawa, Naoaki Shimada | 2014-12-02 |
| 8828153 | High-strength cold-rolled steel sheet and high-strength plated steel sheet | Jun Haga | 2014-09-09 |
| 8490457 | Bent metal member and a method for its manufacture | Toyomitsu Nakamura, Atsushi Tomizawa, Naoaki Shimada, Kazuya Ishii, Kazuhito Imai +1 more | 2013-07-23 |
| 8454079 | Strength member for an automobile body, front side member, and side structure for an automobile body | Michitaka Yoshida, Atsushi Tomizawa, Naoaki Shimada | 2013-06-04 |
| 8136871 | Strength member for an automobile body, front side member, and side structure for an automobile body | Michitaka Yoshida, Atsushi Tomizawa, Naoaki Shimada | 2012-03-20 |
| 7673485 | Hot press forming method | Kazuhito Imai, Tamotsu Toki, Yukihiro Yoshikawa, Masaru Takahashi, Toshinobu Nishibata | 2010-03-09 |