Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392017 | Hot-stamping formed body | Yuri Toda, Kodai Murasawa, Daisuke Maeda, Kazuo Hikida | 2025-08-19 |
| 12227817 | Steel | Kazuhisa Kusumi, Yuki SUZUKI | 2025-02-18 |
| 12215411 | Coated steel member, coated steel sheet, and methods for producing same | — | 2025-02-04 |
| 11827964 | Coated steel member, coated steel sheet, and methods for producing same | — | 2023-11-28 |
| 11713497 | Steel member and method of manufacturing same | Yoshihiro Suwa, Kazuo Hikida, Kazuhisa Kusumi | 2023-08-01 |
| 11667987 | Coated steel member, coated steel sheet, and methods for producing same | Daisuke Maeda | 2023-06-06 |
| 11618933 | Coated steel member, coated steel sheet, and methods for manufacturing same | — | 2023-04-04 |
| 11572601 | Coated steel member, coated steel sheet, and methods for producing same | Daisuke Maeda | 2023-02-07 |
| 11427882 | Coated steel member, coated steel sheet, and methods for manufacturing same | — | 2022-08-30 |
| 11352684 | Steel member, steel sheet, and methods for manufacturing same | Kazuhisa Kusumi, Kazuo Hikida, Hideaki IRIKAWA | 2022-06-07 |
| 11078550 | Method for manufacturing quenched molding, method for manufacturing hot press steel material, and hot press steel material | Yoshiaki Nakazawa, Kazuo Hikida, Toshiya Suzuki, Atsuo Koga, Koichi Hamada | 2021-08-03 |
| 11041225 | Heat-treated steel sheet member and method for producing the same | Yoshihiro Suwa, Masafumi Azuma, Kazuo Hikida | 2021-06-22 |
| 10822680 | Steel sheet for heat treatment | Yoshihiro Suwa, Masafumi Azuma, Kazuo Hikida | 2020-11-03 |
| 10718033 | Heat-treated steel material and method of manufacturing the same | Kazuo Hikida, Nobusato Kojima | 2020-07-21 |
| 10662494 | Heat-treated steel material and method of manufacturing the same | Kazuo Hikida, Nobusato Kojima | 2020-05-26 |
| 10563281 | Heat-treated steel sheet member and method for producing the same | Yoshihiro Suwa, Masafumi Azuma, Kazuo Hikida | 2020-02-18 |
| 10435761 | Heat-treated steel material and method of manufacturing the same | Kazuo Hikida, Nobusato Kojima, Naomitsu Mizui | 2019-10-08 |
| 10060005 | High-strength hot-formed steel sheet member | Kazuo Hikida, Nobusato Kojima, Takahiro Moriki | 2018-08-28 |