Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10344360 | Steel sheet for hot stamping use, method of production of same, and method of production of high strength part | Kazuhisa Kusumi, Yuji Ogawa, Masayuki Abe, Hidekuni Murakami, Kengo Takeda | 2019-07-09 |
| 10232426 | Automobile part and method for manufacturing automobile part | Shintaro Yamanaka, Hideaki IRIKAWA | 2019-03-19 |
| 10196717 | Plated steel sheet for hot pressing, hot pressing method for plated steel sheet, and automobile part | Shintaro Yamanaka, Masao Kurosaki | 2019-02-05 |
| 10174413 | Al-based alloy plated steel material having excellent post-coating corrosion resistance | Shintaro Yamanaka, Masao Kurosaki | 2019-01-08 |
| 10092938 | Plated steel plate for hot pressing and hot pressing method of plated steel plate | Shintaro Yamanaka, Masao Kurosaki, Kazuhisa Kusumi | 2018-10-09 |
| 10040270 | Galvannealed steel sheet and manufacturing method thereof | Masao Kurosaki, Shintaro Yamanaka, Hiroyuki Tanaka | 2018-08-07 |
| 9970116 | Al-plated steel sheet used for hot pressing and method for manufacturing Al-plated steel sheet used for hot pressing | Soshi Fujita, Shintaro Yamanaka, Hiroki Fujimoto, Hatsuhiko Oikawa, Hideaki IRIKAWA | 2018-05-15 |
| 9902134 | Metal foil for base material and producing method thereof | Takayuki Kobayashi, Shinichi Terashima, Masamoto Tanaka, Masami Fujishima, Masao Kurosaki +2 more | 2018-02-27 |
| 9850565 | Method for producing a galvannealed steel sheet | Hironori Sato | 2017-12-26 |
| 9821858 | Al-plated steel sheet, method for hot-pressing Al-plated steel sheet, and automotive part | Masao Kurosaki, Kazuhisa Kusumi, Shintaro Yamanaka | 2017-11-21 |
| 9771636 | Method of production of an aluminum plated steel sheet having excellent corrosion resistance with respect to alcohol or mixed gasoline of same and appearance | Yasuto Goto, Masao Kurosaki, Shinichi Yamaguchi | 2017-09-26 |
| 9644252 | Hot stamped high strength part excellent in post painting anticorrosion property and method of production of same | Kazuhisa Kusumi, Masayuki Abe, Masao Kurosaki | 2017-05-09 |
| 9617624 | Steel sheet for hot stamping member and method of producing same | Hiroyuki Tanahashi | 2017-04-11 |
| 9464345 | Hot dip Al coated steel sheet excellent in heat black discoloration resistance and method of production of same | Shinichi Yamaguchi | 2016-10-11 |
| 9403343 | Aluminum plated steel sheet having excellent corrosion resistance with respect to alcohol or mixed gasoline of same and appearance | Yasuto Goto, Masao Kurosaki, Shinichi Yamaguchi | 2016-08-02 |
| 9296180 | Metal foil for base material | Shinichi Terashima, Takayuki Kobayashi, Masamoto Tanaka, Masami Fujishima, Masao Kurosaki +2 more | 2016-03-29 |
| 9074277 | Plated steel sheet and method of hot-stamping plated steel sheet | Masao Kurosaki, Seiji Sugiyama | 2015-07-07 |
| 8992704 | Aluminum plated steel sheet for rapid heating hot-stamping, production method of the same and rapid heating hot-stamping method by using this steel sheet | Masayuki Abe, Kazuhisa Kusumi, Yasushi Tsukano | 2015-03-31 |
| 8986849 | Hot stamped high strength part excellent in post painting anticorrosion property and method of production of same | Kazuhisa Kusumi, Masayuki Abe, Masao Kurosaki | 2015-03-24 |
| 8453482 | Plated steel sheet and method of hot-stamping plated steel sheet | Masao Kurosaki, Seiji Sugiyama | 2013-06-04 |
| 8404358 | Galvannealed steel sheet and producing method therefor | Masao Kurosaki, Hiroyuki Tanaka, Shintaroh Yamanaka | 2013-03-26 |
| 7867344 | Hot pressing method for high strength member using steel sheet and hot pressed parts | Kazuhisa Kusumi, Masayuki Abe, Masahiro Ohgami, Norihiro Fujita, Shinya Nakajima | 2011-01-11 |
| 7842142 | High strength part and method for producing the same | Kazuhisa Kusumi, Hironori Sato, Masayuki Abe, Nobuhiro Fujita, Noriyuki Suzuki +6 more | 2010-11-30 |
| 6673472 | Rust preventive carbon steel sheet for fuel tank having good welding gastightness and anticorrosion after forming | Teruaki Izaki, Masahiro Fuda, Tetsurou Takeshita, Nobyoshi Okada, Takayuki Ohmori | 2004-01-06 |
| 6649282 | Surface treated steel product prepared by tin-based plating or aluminum-based plating | Shinichi Yamaguchi, Teruaki Izaki, Masao Kurosaki, Hisaaki Sato, Hidetoshi Shindo +1 more | 2003-11-18 |