Inventor · disambiguated record
Ryooji Ishida
Also filed as: ISHIDA RYOOJI
2 granted patents·1 pending application·41 citations·filing 2002–2003
63Inventor score
Technology areasB23K
Files withHITACHI LTD2
Top patents by PatentIndex Score
3 records- 0180US6719184B2Nondestructive inspection methodHITACHI LTD·Filed 2002·Granted Apr 13, 2004·25 cites·16 claims
- 0271US6857555B2Method and apparatus for friction stir weldingHITACHI LTD·Filed 2002·Granted Feb 22, 2005·16 cites·8 claims
- 0334US2004197159A1Method for removing chips, and safety coverFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →