Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Kunio Hayashi +1 more | 2016-12-20 |
| 9512508 | High-strength cold-rolled steel sheet having excellent stretch flangeability and precision punchability and manufacturing method thereof | Hiroshi Shuto, Tatsuo Yokoi, Riki Okamoto, Kazuaki Nakano, Shinichiro Watanabe | 2016-12-06 |
| 9458520 | Manufacturing method of a high-strength cold-rolled steel sheet having excellent uniform elongation and hole expandability | Yuri Toda, Riki Okamoto, Kohichi Sano, Hiroshi Yoshida, Toshio Ogawa | 2016-10-04 |
| 9453269 | Hot-rolled steel sheet for gas nitrocarburizing and manufacturing method thereof | Tatsuo Yokoi, Hiroshi Shuto, Riki Okamoto, Kazuaki Nakano, Takeshi Yamamoto | 2016-09-27 |
| 9347122 | Manufacturing method of a high-strength cold-rolled steel sheet having excellent local deformability | Yoshihiro Suwa, Kazuaki Nakano, Kunio Hayashi, Riki Okamoto, Kohichi Sano | 2016-05-24 |
| 9273370 | Hot-rolled steel sheet, cold-rolled steel sheet, galvanized steel sheet, and methods of manufacturing the same | Kunio Hayashi, Riki Okamoto, Manabu Takahashi, Tetsuo Kishimoto, Hiroshi Yoshida | 2016-03-01 |
| 9267196 | Method of producing a hot rolled steel sheet | Riki Okamoto, Manabu Takahashi, Kunio Hayashi, Tetsuo Kishimoto, Kazuaki Nakano +1 more | 2016-02-23 |
| 9109275 | High-strength galvanized steel sheet and method of manufacturing the same | Yasuhide Morimoto, Akihiro Miyasaka, Kazuhiko Honda, Masafumi Azuma, Noriyuki Suzuki +1 more | 2015-08-18 |
| 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 |
| 8911567 | High-strength steel sheet having excellent processability and paint bake hardenability, and method for producing of high-strength steel sheet | Toshio Ogawa, Naoki Matsutani, Koichi Goto, Shinichiro Watanabe, Toshiki Nonaka | 2014-12-16 |
| 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 | Kunio Hayashi, Toshimasa Tomokiyo, Naoki Matsutani, Koichi Goto | 2014-11-18 |
| 8852360 | 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, Kunio Hayashi +1 more | 2014-10-07 |
| 8353391 | Floating type brake disc | Masato Nakayama, Hidekazu Kawai | 2013-01-15 |
| 8262818 | Method for producing high strength steel sheet excellent in formability | Toshiki Nonaka, Hirokazu Taniguchi, Masaaki Mizutani | 2012-09-11 |
| 8216397 | High-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having fatigue resistance, corrosion resistance, ductility and plating adhesion, after severe deformation, and a method of producing the same | Masafumi Azuma, Manabu Takahashi, Yasuhide Morimoto, Masao Kurosaki, Akihiro Miyasaka | 2012-07-10 |
| 8052807 | Steel sheet excellent in workability | Naoki Yoshinaga, Manabu Takahashi, Koji Hashimoto, Shinya Sakamoto, Kaoru Kawasaki +2 more | 2011-11-08 |
| 7922835 | High strength steel sheet excellent in formability | Toshiki Nonaka, Hirokazu Taniguchi, Masaaki Mizutani | 2011-04-12 |
| 7842142 | High strength part and method for producing the same | Kazuhisa Kusumi, Hironori Sato, Masayuki Abe, Noriyuki Suzuki, Kunio Hayashi +6 more | 2010-11-30 |
| 7824509 | High-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having fatigue resistance, corrosion resistance, ductility and plating adhesion, after severe deformation, and a method of producing the same | Masafumi Azuma, Manabu Takahashi, Yasuhide Morimoto, Masao Kurosaki, Akihiro Miyasaka | 2010-11-02 |
| 7776161 | Cold-rolled steel sheet excellent in workability | Naoki Yoshinaga, Manabu Takahashi, Koji Hashimoto, Shinya Sakamoto, Kaoru Kawasaki +2 more | 2010-08-17 |
| 7762379 | Floating type disk brake | Katsunori Muramatsu, Hidekazu Kawai | 2010-07-27 |
| 7749343 | Method to produce steel sheet excellent in workability | Naoki Yoshinaga, Manabu Takahashi, Koji Hashimoto, Shinya Sakamoto, Kaoru Kawasaki +2 more | 2010-07-06 |
| 7534312 | Steel plate exhibiting excellent workability and method for producing the same | Naoki Yoshinaga, Manabu Takahashi, Koji Hashimoto, Shinya Sakamoto, Kaoru Kawasaki +2 more | 2009-05-19 |
| 7267890 | High-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having fatigue resistance corrosion resistance ductility and plating adhesion after servere deformation and a method of producing the same | Masafumi Azuma, Manabu Takahashi, Yasuhide Morimoto, Masao Kurosaki, Akihiro Miyasaka | 2007-09-11 |
| 6866725 | Steel pipe excellent in formability and method of producing the same | Naoki Yoshinaga, Manabu Takahashi, Hitoshi Asahi, Yasuhiro Shinohara, Yasushi Hasegawa | 2005-03-15 |