Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11603571 | High-strength hot-rolled steel sheet and method for producing the same | Kazuhiko Yamazaki, Noriaki Moriyasu, Sumio Kaiho | 2023-03-14 |
| 11578375 | High-strength hot-rolled steel sheet and method for manufacturing the same | Kazuhiko Yamazaki, Noriaki Moriyasu, Kentaro Irisa | 2023-02-14 |
| 11421298 | Electric resistance welded steel tube for coiled tubing and method for manufacturing the same | Akihide Matsumoto, Hiroshi Nakata | 2022-08-23 |
| 11359267 | High-carbon hot-rolled steel sheet and method for manufacturing the same | Yuka Miyamoto, Yasuhiro Sakurai, Takashi Kobayashi | 2022-06-14 |
| 11326240 | Hot-rolled steel sheet for coiled tubing | Akihide Matsumoto, Hiroshi Nakata | 2022-05-10 |
| 11313008 | Steel member and production method therefor | Ichiro Sugimoto, Shuji Kawamura | 2022-04-26 |
| 11117348 | High-strength hot-rolled coated steel sheet | Sota Goto, Kazuhiko Yamazaki, Taro Kizu | 2021-09-14 |
| 10815547 | High strength steel sheet and manufacturing method therefor | Taro Kizu, Akimasa Kido, Tetsushi Tadani | 2020-10-27 |
| 10584405 | Electric resistance welded steel pipe and manufacturing method therefor | Takatoshi Okabe, Sota Goto, Yutaka Matsui, Satoru Yabumoto | 2020-03-10 |
| 10526678 | High-strength thin steel sheet and method for manufacturing the same | Taro Kizu, Akimasa Kido, Tetsushi Tadani | 2020-01-07 |
| 10385417 | Heavy wall electric resistance welded steel pipe for line pipe and method for manufacturing the same | Sota Goto, Takatoshi Okabe | 2019-08-20 |
| 9873164 | Electric resistance welded steel pipe or steel tube having excellent HIC resistance and low-temperature toughness in electric resistance welded part, and method for manufacturing the same | Sota Goto, Takatoshi Okabe, Atsushi Yonemoto | 2018-01-23 |
| 9841124 | High-strength thick-walled electric resistance welded steel pipe having excellent low-temperature toughness and method of manufacturing the same | Sota Goto, Takatoshi Okabe, Tomohiro Inoue, Motoharu Egi, Atsushi Yonemoto | 2017-12-12 |
| 9551047 | High-strength electric-resistance-welded steel pipe of excellent long-term softening resistance in intermediate temperature ranges | Sota Goto, Takatoshi Okabe, Tomohiro Inoue | 2017-01-24 |
| 8747578 | Steel for structural part of automobile and method for producing the same | Kei Sakata, Akio Sato, Kouichi Kaneko, Hiroshi Kawaguchi | 2014-06-10 |
| 8505941 | Torsion beam manufacturing method and torsion beam | Yuji Hashimoto, Kinya Nakagawa, Koji Suzuki, Yoshikazu Kawabata, Osamu Sonobe +1 more | 2013-08-13 |
| 7887649 | High-tensile strength welded steel tube for structural parts of automobiles and method of producing the same | Masatoshi Aratani, Yoshikazu Kawabata, Yuji Hashimoto, Koji Suzuki, Kei Sakata +3 more | 2011-02-15 |