Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10407748 | High-carbon steel sheet and method of manufacturing the same | Kengo Takeda, Yasushi Tsukano, Takashi Aramaki | 2019-09-10 |
| 10161023 | Steel sheet for hot stamping, method for production thereof, and hot stamping steel material | Hiroyuki Tanahashi | 2018-12-25 |
| 10072324 | Cold-rolled steel sheet and method for manufacturing same, and hot-stamp formed body | Toshiki Nonaka, Satoshi Kato, Kaoru Kawasaki | 2018-09-11 |
| 10030280 | Steel sheet and method for manufacturing steel sheet | Kunio Hayashi, Toshimitsu Aso | 2018-07-24 |
| 10011888 | Cold-rolled steel sheet for vitreous enameling and its named enameled product thereof | Shintaro Yamanaka, Kengo Takeda, Satoshi Nishimura | 2018-07-03 |
| 9945013 | Hot stamped steel and method for producing hot stamped steel | Toshiki Nonaka, Satoshi Kato, Kaoru Kawasaki | 2018-04-17 |
| 9920407 | Cold rolled steel sheet and method for producing cold rolled steel sheet | Toshiki Nonaka, Satoshi Kato, Kaoru Kawasaki | 2018-03-20 |
| 9896736 | Method for manufacturing hot stamped body having vertical wall and hot stamped body having vertical wall | Kunio Hayashi, Toshimitsu Aso | 2018-02-20 |
| 9840751 | Method for manufacturing hot stamped body and hot stamped body | Kunio Hayashi, Toshimitsu Aso, Hitoshi Tanino, Ryozo Wada | 2017-12-12 |
| 9725782 | Hot stamped steel and method for producing the same | Toshiki Nonaka, Satoshi Kato, Kaoru Kawasaki | 2017-08-08 |
| 9605329 | Cold rolled steel sheet and manufacturing method thereof | Toshiki Nonaka, Satoshi Kato, Kaoru Kawasaki | 2017-03-28 |
| 9598745 | Method for manufacturing hot stamped body and hot stamped body | Kunio Hayashi, Toshimitsu Aso, Hitoshi Tanino, Ryozo Wada | 2017-03-21 |
| 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 |
| 9512499 | Method for manufacturing hot stamped body having vertical wall and hot stamped body having vertical wall | Kunio Hayashi, Toshimitsu Aso | 2016-12-06 |
| 9353424 | High strength steel sheet excellent in delayed fracture resistance and low temperature toughness, and high strength member manufactured using the same | Hiroyuki Tanahashi | 2016-05-31 |
| 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, Nobuhiro Fujita, Naoki Matsutani, Koichi Goto | 2014-11-18 |
| 8858735 | High-strength press hardened article, and manufacturing method therefor | Masaaki Kondo, Shinichi Suzuki, Koichi Nishizawa, Takayuki Suzuki, Yuki Ishiguro +1 more | 2014-10-14 |
| 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 |
| 8697253 | High-strength quenched formed body with good corrosion resistance | Shinichi Suzuki, Shuuji Souma, Katsuji Nakashima, Masashi Ozawa, Kiyohito Kondou | 2014-04-15 |
| 8133544 | High-strength quenched formed body with good corrosion resistance and process for producing the same | Shinichi Suzuki, Shuuji Souma, Katsuji Nakashima, Masashi Ozawa, Kiyohito Kondou | 2012-03-13 |
| 7892605 | High-strength quenched formed body with good corrosion resistance and process for producing the same | Shinichi Suzuki, Shuuji Souma, Katsuji Nakashima, Masashi Ozawa, Kiyohito Kondou | 2011-02-22 |
| 6428631 | High-strength steel sheet having excellent formality and resistance to softening of the heat affected zone after welding | Hirokazu Taniguchi, Ryo Maruta | 2002-08-06 |