Inventor · disambiguated record
Katsumi Ishigaki
Also filed as: ISHIGAKI KATSUMI
3 granted patents·14 citations·filing 1981–2014
62Inventor score
Top patents by PatentIndex Score
3 records- 0171US8997324B2Tube clamping device and hydraulic pressure tester technical fieldTSURUTA SATOSHI·Filed 2011·Granted Apr 7, 2015·2 cites·12 claims
- 0266US10234367B2Hydraulic test method and hydraulic test deviceNAKATA MFG CO LTD·Filed 2014·Granted Mar 19, 2019·1 cites·8 claims
- 0337US4435006AAutomatic pressurized connecting deviceYAMAMOTO SUIATSU KOGYOSHO KK·Filed 1981·Granted Mar 6, 1984·11 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →