Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8802241 | Steel sheet having high young's modulus, hot-dip galvanized steel sheet using the same, alloyed hot-dip galvanized steel sheet, steel pipe having high young's modulus, and methods for manufacturing the same | Natsuko Sugiura, Naoki Yoshinaga, Shunji Hiwatashi, Manabu Takahashi, Koji Hanya +3 more | 2014-08-12 |
| 8449700 | Manufacturing method of a hot-pressed steel plate member | Hiroshi Yoshida | 2013-05-28 |
| 8057913 | Steel sheet having high young'S modulus, hot-dip galvanized steel sheet using the same, alloyed hot-dip galvanized steel sheet, steel pipe having high young'S modulus and methods for manufacturing the same | Natsuko Sugiura, Naoki Yoshinaga, Shunji Hiwatashi, Manabu Takahashi, Koji Hanya +3 more | 2011-11-15 |
| 8052807 | Steel sheet excellent in workability | Naoki Yoshinaga, Nobuhiro Fujita, Manabu Takahashi, Koji Hashimoto, Shinya Sakamoto +2 more | 2011-11-08 |
| 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 |
| 7534312 | Steel plate exhibiting excellent workability and method for producing the same | Naoki Yoshinaga, Nobuhiro Fujita, Manabu Takahashi, Koji Hashimoto, Shinya Sakamoto +2 more | 2009-05-19 |
| 7291230 | Grain-oriented electrical steel sheet extremely excellent in film adhesiveness and method for producing the same | Hotaka Homma, Yoshiaki Hirota, Yasumitsu Kondo, Yuji Kubo, Shuichi Nakamura | 2007-11-06 |
| 6911268 | High strength hot-dip galvanized or galvannealed steel sheet having improved plating adhesion and press formability and process for producing the same | Yoshihisa Takada, Masayoshi Suehiro | 2005-06-28 |
| 5927536 | Metal easy open can lid superior in can openability and process for production of thereof | Yashichi Oyagi, Kouji Manabe, Hiroshi Nishida, Hiroshi Itoh, Masaaki Yano +3 more | 1999-07-27 |
| 5597424 | Process for producing grain oriented electrical steel sheet having excellent magnetic properties | Yasunari Yoshitomi | 1997-01-28 |
| 5545263 | Process for production of grain oriented electrical steel sheet having superior magnetic properties | Yasunari Yoshitomi, Yozo Suga, Nobuyuki Takahashi | 1996-08-13 |
| 5346559 | Process for manufacturing double oriented electrical steel sheet having high magnetic flux density | Yoshiyuki Ushigami, Satoshi Arai, Yozo Suga, Yasunari Yoshitomi, Nobuyuki Takahashi | 1994-09-13 |
| 5261971 | Process for preparation of grain-oriented electrical steel sheet having superior magnetic properties | Yasunari Yoshitomi, Yozo Suga, Nobuyuki Takahashi | 1993-11-16 |