Inventor · disambiguated record
Isao Funyuu
Also filed as: FUNYUU ISAO
15 granted patents·636 citations·filing 1998–2003
96Inventor score
Files withHITACHI LTD14
Top patents by PatentIndex Score
15 records- 0198US7036707B2Friction stir welding method, frame members used therein, and product formed therebyHITACHI LTD·Filed 2003·Granted May 2, 2006·76 cites·20 claims
- 0297US6050474AFriction stir welding method, frame members used therein, and product formed therebyHITACHI LTD·Filed 1998·Granted Apr 18, 2000·222 cites·15 claims
- 0396US6419144B2Method of forming structural body using friction stir welding, and structural body formedHITACHI LTD·Filed 2001·Granted Jul 16, 2002·32 cites·9 claims
- 0496US6305866B1Structure joined by friction stir weldingHITACHI LTD·Filed 2000·Granted Oct 23, 2001·60 cites·19 claims
- 0596US6237829B1Friction stir welding apparatusHITACHI LTD·Filed 2000·Granted May 29, 2001·59 cites·15 claims
- 0694US6619534B2Friction stir welding method using members which overlap and have protrusion at the weld location prior to the weldingHITACHI LTD·Filed 2002·Granted Sep 16, 2003·22 cites·4 claims
- 0794US6382498B2Friction stir welding method including positioning of rotary tool, and structural body formed therebyHITACHI LTD·Filed 2001·Granted May 7, 2002·37 cites·2 claims
- 0893US6378754B2Friction stir welding method including removal of protruding portion, and structural body formed therebyHITACHI LTD·Filed 2001·Granted Apr 30, 2002·32 cites·16 claims
- 0989US6585443B2Structural body formed by friction stir welding two members, one of which has a protruding portionHITACHI LTD·Filed 2001·Granted Jul 1, 2003·22 cites·8 claims
- 1085US6936332B2Extruded frame member for use in friction stir weldingHITACHI LTD·Filed 2001·Granted Aug 30, 2005·17 cites·32 claims
- 1184US6613447B2Structural body formed by friction stir welding and having protrusion at the weld provided prior to the weldingFiled 2002·Granted Sep 2, 2003·10 cites·14 claims
- 1284US6607837B2Structural body formed by friction stir welding methodHITACHI LTD·Filed 2002·Granted Aug 19, 2003·15 cites·6 claims
- 1380US6640515B1Frame member used in friction stir weldingHITACHI LTD·Filed 2000·Granted Nov 4, 2003·12 cites·20 claims
- 1476US6722286B2Structure and railway carHITACHI LTD·Filed 2002·Granted Apr 20, 2004·18 cites·4 claims
- 1556US6716538B2Structural body formed by friction stir weldingHITACHI LTD·Filed 2002·Granted Apr 6, 2004·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →