Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9657364 | High strength hot rolled steel sheet for line pipe use excellent in low temperature toughness and ductile fracture arrest performance and method of production of same | Hiroshi Abe, Osamu Yoshida | 2017-05-23 |
| 9587287 | Bainite-containing-type high-strength hot-rolled steel sheet having excellent isotropic workability and manufacturing method thereof | Hiroshi Shuto, Riki Okamoto, Nobuhiro Fujita, Kazuaki Nakano, Takeshi Yamamoto | 2017-03-07 |
| 9512508 | High-strength cold-rolled steel sheet having excellent stretch flangeability and precision punchability and manufacturing method thereof | Hiroshi Shuto, Nobuhiro Fujita, Riki Okamoto, Kazuaki Nakano, Shinichiro Watanabe | 2016-12-06 |
| 9453269 | Hot-rolled steel sheet for gas nitrocarburizing and manufacturing method thereof | Hiroshi Shuto, Riki Okamoto, Nobuhiro Fujita, Kazuaki Nakano, Takeshi Yamamoto | 2016-09-27 |
| 9200342 | Hot-rolled steel sheet and manufacturing method thereof | Hiroshi Abe, Osamu Yoshida, Yasuhiro Miyatani, Shinichi Araki, Osamu Kawano | 2015-12-01 |
| 9062356 | High strength hot rolled steel plate for spiral line pipe superior in low temperature toughness and method of production of same | Hiroshi Abe, Osamu Yoshida | 2015-06-23 |
| 8562762 | High strength hot rolled steel products for line-pipes excellent in low temperature toughness and production method of the same | Masanori Minagawa, Takuya Hara, Osamu Yoshida, Hiroshi Abe | 2013-10-22 |
| 8157933 | High-strength hot rolled steel sheet being free from peeling and excellent in surface properties and burring properties, and method for manufacturing the same | Kazuya Ootsuka, Yukiko Yamaguchi, Tetsuya Yamada | 2012-04-17 |
| 7749338 | High burring, high strength steel sheet excellent in softening resistance of weld heat affected zone and method of production of same | Teruki Hayashida, Masahiro Ohara, Kouichi Tsuchihashi | 2010-07-06 |
| 7662243 | Hot rolled steel sheet | Tetsuya Yamada, Osamu Kawano | 2010-02-16 |
| 7503984 | High-strength thin steel sheet drawable and excellent in shape fixation property and method of producing the same | Teruki Hayashida, Natsuko Sugiura, Takaaki Nakamura, Takehiro Nakamoto | 2009-03-17 |
| 7381478 | Hot rolled steel sheet for processing and method for manufacturing the same | Tetsuya Yamada, Osamu Kawano | 2008-06-03 |
| 6589369 | High fatigue strength steel sheet excellent in burring workability and method for producing the same | Manabu Takahashi, Hiroyuki Okada, Toshimitsu Aso | 2003-07-08 |
| 5855696 | Ultra low carbon, cold rolled steel sheet and galvanized steel sheet having improved fatigue properties and processes for producing the same | Makoto Tezuka, Kohsaku Ushioda, Shiro Fujii, Atsushi Itami, Yasuharu Sakuma | 1999-01-05 |