Inventor · disambiguated record

Osamu Hirakawa

Also filed as: HIRAKAWA OSAMU

38 granted patents·5 pending applications·746 citations·filing 19812018

97Inventor score
Technology areasH10PG03FB05BB60RC22C
Files withTOKYO ELECTRON LTD16HIRAKAWA OSAMU8NIPPON PISTON RING CO LTD7FUJITSU LTD3NIKON CORP2

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