Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8715432 | Fire-resistant steel superior in weld joint reheat embrittlement resistance and toughness and method of production of same | Yasushi Hasegawa, Masaki Mizoguchi, Yoshiyuki Watanabe, Tadayoshi Okada | 2014-05-06 |
| 8545137 | Cutting method of steel for machine structural use | Toshiharu Aiso, Kei Miyanishi | 2013-10-01 |
| 8323561 | Fire-resistant steel material superior in HAZ toughness of welded joint and method of production of same | Yasushi Hasegawa, Yoshiyuki Watanabe | 2012-12-04 |
| 8303734 | High strength thick steel material and high strength giant H-shape excellent in toughness and weldability and methods of production of same | Hiroshi Kita, Teruhisa Okumura, Hirokazu Sugiyama, Teruyuki Wakatsuki | 2012-11-06 |
| 8097096 | Fire resistant steel excellent in high temperature strength, toughness, and reheating embrittlement resistance and process for production of the same | Kita Hiroshi, Hirokazu Sugiyama, Yoshiyuki Watanabe, Yasushi Hasegawa | 2012-01-17 |
| 7754029 | Steel with excellent delayed fracture resistance and tensile strength of 1801 MPa class or more, and its shaped article | Manabu Kubota, Toshimi Tarui, Hideki Matsuda, Koki Mizuno, Tadashi Ohya | 2010-07-13 |
| 7681684 | On-vehicle component fixation-release apparatus | Katsuaki Taguchi, Yuta Urushiyama | 2010-03-23 |
| 7510614 | High strength bolt excellent in delayed fracture resistance and method of production of same | Toshimi Tarui, Manabu Kubota, Hideki Matsuda, Tadashi Ohya, Koki Mizuno | 2009-03-31 |
| 7021700 | Vehicle front pillar | — | 2006-04-04 |
| 6854790 | Vehicle front pillar | — | 2005-02-15 |
| 6722729 | Automobile front pillar | Hiroyuki Saegusa, Munehiro Mouri | 2004-04-20 |
| 6412581 | Radiator mounting structure | Koji Enomoto | 2002-07-02 |
| 6364967 | High-strength, high-toughness rolled shape steel and method of producing the same | Kouichi Yamamoto, Hironori Satoh, Hirokazu Sugiyama, Hiroyuki Hasegawa | 2002-04-02 |
| 6340200 | Front pillar impact absorbing structure | Kouji Enomoto | 2002-01-22 |
| 6340203 | Front pillar for a vehicle | Kouji Enomoto | 2002-01-22 |
| 6305736 | Automotive vehicle automotive front door moving structure and automotive front door window glass lowering structure | Kouji Enomoto | 2001-10-23 |
| 5985051 | Shape steel material having high strength, high toughness and excellent fire resistance and process for producing rolled shape steel of said material | Kohichi Yamamoto, Kazuo Watanabe | 1999-11-16 |
| 5829219 | Frame forming member | Kohki Sugawara, Masakazu Sato | 1998-11-03 |
| 5716155 | T-shaped connection frame | Kohki Sugawara, Masakazu Sato, Mituo Tuge, Harumichi Hino, Keiichi Sugiyama +1 more | 1998-02-10 |
| 5603581 | Structure and method for joining extrudate member and mating member | Shigeo Fujita, Masakazu Sato | 1997-02-18 |
| 5591359 | High-density energy beam welding process and welded structure | Yuuji Saitou, Minoru Mouko, Kohki Sugawara | 1997-01-07 |
| 5421920 | Process for producing rolled shape steel material having high strength, high toughness, and excellent fire resistance | Kohichi Yamamoto, Kazuo Watanabe | 1995-06-06 |
| 5336339 | Refractory shape steel material containing oxide and process for proucing rolled shape steel of said material | Kohichi Yamamoto, Kazuo Watanabe | 1994-08-09 |
| 5195779 | Motor vehicle body structure employing sandwiched structural body | Tadatoshi Aoyama, Masanori Suganuma, Takashi Chirifu | 1993-03-23 |
| 5150944 | Joint structure for sandwiched structural body | Isao Tsunoda, Shoichi Sano | 1992-09-29 |