Inventor · disambiguated record
Yoshihiko Ina
Also filed as: INA YOSHIHIKO
8 granted patents·1 pending application·162 citations·filing 2000–2024
88Inventor score
Files withHITACHI LTD9
Top patents by PatentIndex Score
9 records- 0188US6712007B2Railway carHITACHI LTD·Filed 2002·Granted Mar 30, 2004·35 cites·16 claims
- 0287US6474533B1Friction stir welding methodHITACHI LTD·Filed 2000·Granted Nov 5, 2002·35 cites·10 claims
- 0387US6321975B1Manufacturing method of a structure bodyHITACHI LTD·Filed 2000·Granted Nov 27, 2001·36 cites·19 claims
- 0484US6599641B1Structural body formed by friction stir welding of hollow extruded frame membersHITACHI LTD·Filed 2000·Granted Jul 29, 2003·31 cites·10 claims
- 0565US6886474B2Railway carHITACHI LTD·Filed 2004·Granted May 3, 2005·8 cites·16 claims
- 0661US2025171058A1Rail CarHITACHI LTD·Filed 2024·Application pending·0 cites
- 0757US6779706B2Frame member for friction stir weldingHITACHI LTD·Filed 2002·Granted Aug 24, 2004·5 cites·20 claims
- 0850US6446562B1Car bodyHITACHI LTD·Filed 2001·Granted Sep 10, 2002·9 cites·4 claims
- 0944US7107669B2System for mounting an underfloor electronic equipmentHITACHI LTD·Filed 2003·Granted Sep 19, 2006·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →