Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428700 | High strength steel sheet and method for manufacturing the same | Junya Tobata | 2025-09-30 |
| 12428710 | High strength steel sheet and method for manufacturing the same | Kazuki Endoh, Yoshiyasu Kawasaki | 2025-09-30 |
| 12404565 | High-strength cold-rolled steel sheet, high-strength coated or plated steel sheet, method of producing high-strength cold-rolled steel sheet, and method of producing high-strength coated or plated steel sheet | Yuji Tanaka, Masaki Tada, Shinsuke Komine, Yoshie Obata, Yusuke Kimata | 2025-09-02 |
| 12378624 | High strength steel sheet and method for manufacturing the same | Kazuki Endoh, Yoshiyasu Kawasaki | 2025-08-05 |
| 12365961 | High strength steel sheet and method for manufacturing the same | Kazuki Endoh, Yoshiyasu Kawasaki, Yoshimasa Funakawa, Mai Aoyama | 2025-07-22 |
| 12297543 | High strength steel sheet, impact absorbing member, and method for manufacturing high strength steel sheet | Yoshiyasu Kawasaki, Muneka Iwasawa, Yoshimasa Funakawa | 2025-05-13 |
| 12264378 | High strength steel sheet and method for manufacturing the same | Kazuki Endoh, Yoshiyasu Kawasaki | 2025-04-01 |
| 12221668 | High strength steel sheet and method for manufacturing the same | Kazuki Endoh, Yoshiyasu Kawasaki | 2025-02-11 |
| 12180593 | High strength steel sheet, impact absorbing member, and method for manufacturing high strength steel sheet | Yoshiyasu Kawasaki, Muneka Iwasawa, Takayuki Futatsuka, Kentaro Sato | 2024-12-31 |
| 11788163 | High-strength steel sheet and method for manufacturing same | Kazuki Endo, Yoshiyasu Kawasaki, Yoshimasa Funakawa, Mai Aoyama | 2023-10-17 |
| 11661642 | High-strength steel sheet and method for manufacturing same | Kazuki Endo, Yoshiyasu Kawasaki, Yoshimasa Funakawa, Mai Aoyama | 2023-05-30 |
| 11643700 | High-strength steel sheet and production method thereof | Yoshiyasu Kawasaki, Kazuki Endo, Yoshimasa Funakawa, Satoshi Maeda, Mai Aoyama | 2023-05-09 |
| 11459647 | High-strength cold rolled steel sheet and method for manufacturing same | Takaaki Tanaka | 2022-10-04 |
| 11447841 | High-strength steel sheet and method for producing same | Yoshiyasu Kawasaki, Takako Yamashita, Masayasu Ueno, Takashi Kobayashi, Yoshimasa Funakawa | 2022-09-20 |
| 11447840 | High-strength steel sheet and method for producing same | Yoshiyasu Kawasaki, Takako Yamashita, Masayasu Ueno, Takashi Kobayashi, Yoshimasa Funakawa | 2022-09-20 |
| 11365459 | High strength cold rolled steel sheet and method of producing same | Takaaki Tanaka | 2022-06-21 |
| 11359256 | High-strength cold-rolled steel sheet and method for manufacturing same | Takaaki Tanaka | 2022-06-14 |
| 11326238 | Steel material for high heat input welding | Akio Ohmori, Koichi Nakashima, Ryo Arao, Katsuyuki Ichimiya, Kazukuni Hase | 2022-05-10 |
| 10174396 | High-strength cold-rolled steel sheet and method for manufacturing the same (as amended) | Katsutoshi Takashima, Kohei Hasegawa | 2019-01-08 |
| 10144996 | High strength cold rolled steel sheet with low yield ratio and method of manufacturing the same | Katsutoshi Takashima, Hideyuki Kimura, Kohei Hasegawa | 2018-12-04 |
| 9994941 | High strength cold rolled steel sheet with high yield ratio and method for producing the same | Katsutoshi Takashima, Kohei Hasegawa | 2018-06-12 |
| 9914988 | High-strength cold-rolled steel sheet with high yield ratio having excellent formability and method for producing the same | Katsutoshi Takashima, Kohei Hasegawa | 2018-03-13 |
| 9574254 | Hot-rolled steel sheet and method for producing same | Katsutoshi Takashima, Kohei Hasegawa, Shinya Yamaguchi | 2017-02-21 |
| 9145594 | Method for manufacturing ultra high strength member | Kohei Hasegawa | 2015-09-29 |
| 9057123 | Hot-rolled steel sheet and method for producing same | Katsutoshi Takashima, Kohei Hasegawa | 2015-06-16 |