Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9334555 | Hot dip galvannealed steel sheet and method for producing the same | Kiyokazu Ishizuka, Kazumi Nishimura, Ikuo Kikuchi | 2016-05-10 |
| 9109275 | High-strength galvanized steel sheet and method of manufacturing the same | Yasuhide Morimoto, Nobuhiro Fujita, Kazuhiko Honda, Masafumi Azuma, Noriyuki Suzuki +1 more | 2015-08-18 |
| 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 |
| 8390258 | Discharger and discharger control method including a manual switch to provide power to a control means from an input of the discharger | Akira Yamashita, Takahisa Shodai, Riichi Kitano | 2013-03-05 |
| 8278781 | Discharger and discharger control method | Akira Yamashita, Takahisa Shodai, Riichi Kitano | 2012-10-02 |
| 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 | Nobuhiro Fujita, Masafumi Azuma, Manabu Takahashi, Yasuhide Morimoto, Masao Kurosaki | 2012-07-10 |
| 8148994 | Device and method for determining replacement of storage battery | Akira Yamashita, Takahisa Shodai, Riichi Kitano | 2012-04-03 |
| 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 |
| 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 | Nobuhiro Fujita, Masafumi Azuma, Manabu Takahashi, Yasuhide Morimoto, Masao Kurosaki | 2010-11-02 |
| 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 | Nobuhiro Fujita, Masafumi Azuma, Manabu Takahashi, Yasuhide Morimoto, Masao Kurosaki | 2007-09-11 |
| 6730407 | Soluble lubricating surface-treated stainless steel sheet with excellent shapability for fuel tank and method for manufacturing fuel tank | Yoichiro Mori, Hiroshi Kanai, Ikuro Yamaoka, Tsutomu Tawa, Chikako Kouda +1 more | 2004-05-04 |
| 6706419 | Cold-rolled steel sheet or hot-rolled steel sheet excellent in painting bake hardenability and anti aging property at room temperature, and method of producing the same | Naoki Yoshinaga, Manabu Takahashi, Natsuko Sugiura, Masaaki Sugiyama | 2004-03-16 |
| 6143430 | Surface-treated steel sheet for fuel containers having excellent corrosion resistance, formability and weldability | Shinichi Suzuki | 2000-11-07 |
| 5849116 | Production method for steel material and steel pipe having excellent corrosion resistance and weldability | Masaaki Obata, Takashi Motoyoshi | 1998-12-15 |
| 5820703 | Production method of steel pipe excellent in corrosion resistance and weldability | Yasushi Suzuki, Masaaki Obata | 1998-10-13 |
| 5720920 | Steel having excellent corrosion resistance and steel having excellent corrosion resistance and workability | Kenji Kato | 1998-02-24 |
| 5609818 | Steel excellent in corrosion resistance and processability | Kenji Kato | 1997-03-11 |
| 5194222 | Alloy and composite steel tube with corrosion resistance in combustion environment where V, NA, S and C1 are present | Hiroyuki Ogawa, Tetsuo Ishitsuka, Kozo Denpo, Michihisa Ito, Mizuo Sakakibara | 1993-03-16 |
| 5190832 | Alloy and composite steel tube with corrosion resistance in combustion environment where V, Na, S and Cl are present | Hiroyuki Ogawa, Tetsuo Ishitsuka, Kozo Denpo, Koichi Takeda, Satoshi Araki | 1993-03-02 |
| 5049210 | Oil Country Tubular Goods or a line pipe formed of a high-strength martensitic stainless steel | Hiroyuki Ogawa | 1991-09-17 |
| 5017246 | Martensitic stainless steels excellent in corrosion resistance and stress corrosion cracking resistance and method of heat treatment of the steels | Hiroyuki Ogawa | 1991-05-21 |
| 4966748 | Methods of producing clad metals | Hiroyuki Ogawa | 1990-10-30 |
| 4844863 | Method of producing clad metal | Hiroyuki Ogawa, Hiroyuki Homma, Saburo Kitaguchi, Hiroshi Morimoto, Satoshi Araki | 1989-07-04 |
| 4842816 | High toughness steel | Hiroyo Haga, Takeshi Terasawa | 1989-06-27 |