Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11505846 | Hot stamped part and manufacturing method thereof | Genki Abukawa, Kunio Hayashi, Kazuo Hikida | 2022-11-22 |
| 11027522 | Steel sheet for hot stamping | Genki Abukawa, Kunio Hayashi, Kazuo Hikida | 2021-06-08 |
| 11028469 | Hot press-formed part | Mutsumi SAKAKIBARA, Natsuko Sugiura, Kunio Hayashi | 2021-06-08 |
| 10807138 | Tailored blank for hot stamping, hot stamped member, and methods for manufacturing same | Yasunobu Miyazaki, Yasuaki Naito, Takahiro Yoshinaga | 2020-10-20 |
| 10301699 | Hot-stamped part and method of manufacturing the same | Masafumi Azuma, Genki Abukawa | 2019-05-28 |
| 10072324 | Cold-rolled steel sheet and method for manufacturing same, and hot-stamp formed body | Toshiki Nonaka, Satoshi Kato, Toshimasa Tomokiyo | 2018-09-11 |
| 10023925 | Hot stamped article, method of producing hot stamped article, energy absorbing member, and method of producing energy absorbing member | — | 2018-07-17 |
| 10023931 | Method of production of hot dip galvannealed steel sheet with excellent workability, powderability, and slidability | Junji Haji, Kiyokazu Ishizuka, Teruaki Yamada | 2018-07-17 |
| 9970074 | Cold-rolled steel sheet, galvanized cold-rolled steel sheet and method of manufacturing the same | Masaharu Kameda, Kohichi Sano, Riki Okamoto | 2018-05-15 |
| 9945013 | Hot stamped steel and method for producing hot stamped steel | Toshiki Nonaka, Satoshi Kato, Toshimasa Tomokiyo | 2018-04-17 |
| 9920407 | Cold rolled steel sheet and method for producing cold rolled steel sheet | Toshiki Nonaka, Satoshi Kato, Toshimasa Tomokiyo | 2018-03-20 |
| 9901969 | Tailored blank for hot stamping, hot stamped member, and methods for manufacturing same | Yasunobu Miyazaki, Yasuaki Naito, Takahiro Yoshinaga | 2018-02-27 |
| 9725782 | Hot stamped steel and method for producing the same | Toshiki Nonaka, Satoshi Kato, Toshimasa Tomokiyo | 2017-08-08 |
| 9650690 | High-strength steel sheet and method of producing molten steel for high-strength steel sheet | Kenichi Yamamoto, Katsuhiro Sasai, Hideaki Yamamura, Hiroshi Harada | 2017-05-16 |
| 9605329 | Cold rolled steel sheet and manufacturing method thereof | Toshiki Nonaka, Satoshi Kato, Toshimasa Tomokiyo | 2017-03-28 |
| 9499894 | Method for producing high-strength hot-dip galvannealed steel sheet | Kiyokazu Ishizuka, Kazumi Nishimura, Ikuo Kikuchi, Junji Haji | 2016-11-22 |
| 9410231 | Steel sheet and method of manufacturing steel sheet | Riki Okamoto, Natsuko Sugiura, Kohichi Sano, Chisato Wakabayashi, Naoki Yoshinaga | 2016-08-09 |
| 8979104 | Front body structure | Toshiyuki Niwa, Masayoshi Suehiro, Atsushi Seto, Takeshi Kawachi, Masaaki Mizumura +6 more | 2015-03-17 |
| 8951366 | High-strength cold-rolled steel sheet and method of manufacturing thereof | Kohichi Sano, Chisato Wakabayashi, Hiroyuki Kawata, Riki Okamoto, Naoki Yoshinaga +2 more | 2015-02-10 |
| 8617324 | Method for producing high-strength hot-dip galvannealed steel sheet | Kiyokazu Ishizuka, Kazumi Nishimura, Ikuo Kikuchi, Junji Haji | 2013-12-31 |
| 8303739 | Method for producing high-strength hot-dip galvannealed steel sheet | Kiyokazu Ishizuka, Kazumi Nishimura, Ikuo Kikuchi, Junji Haji | 2012-11-06 |
| 8052807 | Steel sheet excellent in workability | Naoki Yoshinaga, Nobuhiro Fujita, Manabu Takahashi, Koji Hashimoto, Shinya Sakamoto +2 more | 2011-11-08 |
| 7987590 | Method for manufacturing an electronic part | Masashi Gotoh, Hiroshi Yamamoto, Mutsuko Nakano, Hajime Kuwajima | 2011-08-02 |
| 7776161 | Cold-rolled steel sheet excellent in workability | Naoki Yoshinaga, Nobuhiro Fujita, Manabu Takahashi, Koji Hashimoto, Shinya Sakamoto +2 more | 2010-08-17 |
| 7749343 | Method to produce steel sheet excellent in workability | Naoki Yoshinaga, Nobuhiro Fujita, Manabu Takahashi, Koji Hashimoto, Shinya Sakamoto +2 more | 2010-07-06 |