Inventor · disambiguated record

Katsumi Onizuka

Also filed as: ONIZUKA KATSUMI

2 granted patents·24 citations·filing 1983–1994

56Inventor score

Technology areasG01N Y10T

Files withYAMAMOTO SUIATSU KOGYOSHO KK1 YAMAMOTO SUIATU KOGYOSHO CO LT1

Top patents by PatentIndex Score

2 records

0161US4502323AMethod and apparatus for performing a hydraulic pressure test on a tubeYAMAMOTO SUIATSU KOGYOSHO KK·Filed 1983·Granted Mar 5, 1985·23 cites·6 claims
0219US5397221AValve operating mechanismYAMAMOTO SUIATU KOGYOSHO CO LT·Filed 1994·Granted Mar 14, 1995·1 cites·1 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →