Inventor · disambiguated record
Yoshitsugu Utsumi
Also filed as: UTSUMI YOSHITSUGU
4 granted patents·38 citations·filing 1987–1990
74Inventor score
Files withSANWA SHUTTER CORP4
Top patents by PatentIndex Score
4 records- 0153US4979331AHothouse for cultivationSANWA SHUTTER CORP·Filed 1987·Granted Dec 25, 1990·18 cites·27 claims
- 0239USD331468SBay windowSANWA SHUTTER CORP·Filed 1990·Granted Dec 1, 1992·4 cites·1 claims
- 0336US5161593AShutter assembly for a bay windowSANWA SHUTTER CORP·Filed 1990·Granted Nov 10, 1992·15 cites·15 claims
- 0429USD332147SBay windowSANWA SHUTTER CORP·Filed 1990·Granted Dec 29, 1992·1 cites·1 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →