Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10718044 | Hot-dip galvanized steel sheet | Takafumi Yokoyama, Masafumi Azuma, Eisaku Sakurada, Hiroyuki Kawata, Genki Abukawa | 2020-07-21 |
| 10501832 | Plated steel sheet | Koutarou Hayashi, Akihiro Uenishi, Masaharu Kameda, Jun Haga, Kohichi Sano +1 more | 2019-12-10 |
| 10350701 | Method of spot welding | Yasunobu Miyazaki, Fuminori Watanabe, Chisato Wakabayashi, Hiroyuki Kawata, Seiji Furusako +1 more | 2019-07-16 |
| 10266928 | Method for producing a cold-rolled steel sheet | Yuri Toda, Riki Okamoto, Nobuhiro Fujita, Kohichi Sano, Hiroshi Yoshida +2 more | 2019-04-23 |
| 10253384 | Cold-rolled steel sheet, plated steel sheet, and method for manufacturing the same | Yusuke Kondo, Toshio Ogawa, Naoki Matsutani, Koichi Goto | 2019-04-09 |
| 10167539 | Hot-rolled steel sheet and method for producing same | Kohichi Sano, Kazuaki Nakano, Riki Okamoto, Nobuhiro Fujita | 2019-01-01 |
| 10106873 | Hot-rolled steel sheet and manufacturing method for same | Eisaku Sakurada, Koichi Sato, Shunji Hiwatashi | 2018-10-23 |
| 10060006 | High-strength cold-rolled steel sheet having excellent local deformability | Yoshihiro Suwa, Kazuaki Nakano, Riki Okamoto, Nobuhiro Fujita, Kohichi Sano | 2018-08-28 |
| 10030280 | Steel sheet and method for manufacturing steel sheet | Toshimitsu Aso, Toshimasa Tomokiyo | 2018-07-24 |
| 9988697 | High-strength hot-rolled steel sheet having excellent local deformability and manufacturing method thereof | Yoshihiro Suwa, Kazuaki Nakano, Riki Okamoto, Nobuhiro Fujita, Kohichi Sano | 2018-06-05 |
| 9896736 | Method for manufacturing hot stamped body having vertical wall and hot stamped body having vertical wall | Toshimasa Tomokiyo, Toshimitsu Aso | 2018-02-20 |
| 9840751 | Method for manufacturing hot stamped body and hot stamped body | Toshimitsu Aso, Toshimasa Tomokiyo, Hitoshi Tanino, Ryozo Wada | 2017-12-12 |
| 9803266 | High-strength hot-rolled steel sheet and method for producing the same | Yukiko Kobayashi, Eisaku Sakurada | 2017-10-31 |
| 9777353 | Hot-rolled steel sheet for nitriding, cold-rolled steel sheet for nitriding excellent in fatigue strength, manufacturing method thereof, and automobile part excellent in fatigue strength using the same | Eisaku Sakurada, Shunji Hiwatashi, Shinichi Suzuki | 2017-10-03 |
| 9719151 | Steel sheet, plated steel sheet, and method for producing the same | Hiroyuki Tanaka, Toshio Ogawa, Koichi Goto, Kazuaki Nakano | 2017-08-01 |
| 9631265 | Hot-rolled steel sheet and method for producing same | Kohichi Sano, Kazuaki Nakano, Riki Okamoto, Nobuhiro Fujita | 2017-04-25 |
| 9598745 | Method for manufacturing hot stamped body and hot stamped body | Toshimitsu Aso, Toshimasa Tomokiyo, Hitoshi Tanino, Ryozo Wada | 2017-03-21 |
| 9587319 | Hot-rolled steel sheet, cold-rolled steel sheet, galvanized steel sheet, and methods of manufacturing the same | Nobuhiro Fujita, Riki Okamoto, Manabu Takahashi, Tetsuo Kishimoto, Hiroshi Yoshida | 2017-03-07 |
| 9567658 | Cold-rolled steel sheet | Yuri Toda, Riki Okamoto, Nobuhiro Fujita, Kohichi Sano, Hiroshi Yoshida +2 more | 2017-02-14 |
| 9523134 | Method for producing a high strength hot-rolled steel plate exhibiting excellent acid pickling property, chemical conversion processability, fatigue property, stretch flangeability, and resistance to surface deterioration during molding, and having isotropic strength and ductility | Hiroyuki Tanahashi, Shinya Saitoh, Masashi Fukuda, Hiroyuki Okada, Toshimasa Tomokiyo +1 more | 2016-12-20 |
| 9512499 | Method for manufacturing hot stamped body having vertical wall and hot stamped body having vertical wall | Toshimasa Tomokiyo, Toshimitsu Aso | 2016-12-06 |
| 9347122 | Manufacturing method of a high-strength cold-rolled steel sheet having excellent local deformability | Yoshihiro Suwa, Kazuaki Nakano, Riki Okamoto, Nobuhiro Fujita, Kohichi Sano | 2016-05-24 |
| 9273370 | Hot-rolled steel sheet, cold-rolled steel sheet, galvanized steel sheet, and methods of manufacturing the same | Nobuhiro Fujita, Riki Okamoto, Manabu Takahashi, Tetsuo Kishimoto, Hiroshi Yoshida | 2016-03-01 |
| 9267196 | Method of producing a hot rolled steel sheet | Riki Okamoto, Nobuhiro Fujita, Manabu Takahashi, Tetsuo Kishimoto, Kazuaki Nakano +1 more | 2016-02-23 |
| 8888933 | High-strength steel sheet, hot-dipped steel sheet, and alloy hot-dipped steel sheet that have excellent fatigue, elongation, and collision characteristics, and manufacturing method for said steel sheets | Toshimasa Tomokiyo, Nobuhiro Fujita, Naoki Matsutani, Koichi Goto | 2014-11-18 |