Assignee
HASEGAWA YASUSHI
JP·7 granted patents·1 pending application·21 citations·filing 2005–2011
Top patents by PatentIndex Score
8 records- 0183US8715432B2Fire-resistant steel superior in weld joint reheat embrittlement resistance and toughness and method of production of sameHASEGAWA YASUSHI·Filed 2009·Granted May 6, 2014·5 cites·6 claims
- 0274US8698004B2Multi-piece board and fabrication method thereofHASEGAWA YASUSHI·Filed 2009·Granted Apr 15, 2014·4 cites·20 claims
- 0373US9055668B2Method of fabricating a multi-piece boardHASEGAWA YASUSHI·Filed 2011·Granted Jun 9, 2015·2 cites·20 claims
- 0472US8572839B2Fabrication method for multi-piece boardHASEGAWA YASUSHI·Filed 2009·Granted Nov 5, 2013·4 cites·18 claims
- 0572US8259467B2Multi-piece board and fabrication method thereforHASEGAWA YASUSHI·Filed 2009·Granted Sep 4, 2012·4 cites·15 claims
- 0667US8882936B2High-tensile steel with excellent weldability and toughness and with tensile strength of 550 MPa class or more and method of production of the sameHASEGAWA YASUSHI·Filed 2005·Granted Nov 11, 2014·2 cites·5 claims
- 0754US8323561B2Fire-resistant steel material superior in HAZ toughness of welded joint and method of production of sameHASEGAWA YASUSHI·Filed 2007·Granted Dec 4, 2012·0 cites·7 claims
- 0845US2008277774A1Power semiconductor device, electronic device, lead frame member, and method of making power semiconductor deviceHASEGAWA YASUSHI·Filed 2008·Application pending·0 cites
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