Inventor · disambiguated record
Haruki Sugiyama
Also filed as: SUGIYAMA HARUKI
8 granted patents·47 citations·filing 1987–2019
85Inventor score
Top patents by PatentIndex Score
8 records- 0167US11085172B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2019·Granted Aug 10, 2021·1 cites·3 claims
- 0251US5028303AElectrolytic finishing methodSHIZUOKA SEIKI CO LTD·Filed 1989·Granted Jul 2, 1991·9 cites·3 claims
- 0344US4800006AElectrolytic finishing system and methodSHIZUOKA SEIKI CO LTD·Filed 1987·Granted Jan 24, 1989·11 cites·7 claims
- 0441US4880509AElectrolytic finishing method and apparatusSHIZUOKA SEIKI CO LTD·Filed 1988·Granted Nov 14, 1989·9 cites·3 claims
- 0539US5015347AElectrolytic finishing methodSHIZUOKA SEIKI CO LTD·Filed 1989·Granted May 14, 1991·5 cites·7 claims
- 0636US4956060AFinishing method employing electro-chemical machining, and an electro-chemical finishing machineSHIZUOKA SEIKI CO LTD·Filed 1988·Granted Sep 11, 1990·7 cites·10 claims
- 0729US5078839AMethod for centering in an electrolytic finishing systemSHIZUOKA SEIKI CO LTD·Filed 1989·Granted Jan 7, 1992·2 cites·2 claims
- 0824US5294308AMethod of predicting a short circuit in an electrolytic finishing systemSHIZUOKA SEIKO CO LTD·Filed 1993·Granted Mar 15, 1994·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →