Inventor · disambiguated record
Masato Hirao
Also filed as: HIRAO MASATO
3 granted patents·100 citations·filing 1982–1993
75Inventor score
Technology areasE06B
Files withSANWA SHUTTER CORP3
Top patents by PatentIndex Score
3 records- 0179US4662420APanel shutter mechanismSANWA SHUTTER CORP·Filed 1982·Granted May 5, 1987·46 cites·11 claims
- 0268US5460216ADevice for moving a winding shaft in a building shutterSANWA SHUTTER CORP·Filed 1993·Granted Oct 24, 1995·39 cites·57 claims
- 0343US5265662AShutter curtain for a building openingSANWA SHUTTER CORP·Filed 1991·Granted Nov 30, 1993·15 cites·58 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →