Inventor · disambiguated record
Ichiro Yamagata
Also filed as: YAMAGATA ICHIRO
10 granted patents·108 citations·filing 1978–1992
89Inventor score
Top patents by PatentIndex Score
10 records- 0172US4225294AOil seal means for rotary piston engines including a nitrided and ground surfaceTOYO KOGYO CO·Filed 1978·Granted Sep 30, 1980·14 cites·6 claims
- 0268US5249130AAir-fuel ratio control apparatus for an alcohol engineMAZDA MOTOR·Filed 1991·Granted Sep 28, 1993·23 cites·13 claims
- 0349US5290148AHigh head pump-turbinesTOSHIBA KK·Filed 1992·Granted Mar 1, 1994·16 cites·2 claims
- 0449US4640664AMethods of controlling operation of multistage hydraulic machinesTOKYO SHIBAURA ELECTRIC CO·Filed 1984·Granted Feb 3, 1987·12 cites·10 claims
- 0545US4431370AMultistage hydraulic machines having air exhausting devicesTOKYO SHIBAURA ELECTRIC CO·Filed 1981·Granted Feb 14, 1984·9 cites·5 claims
- 0640US4502835AMultistage hydraulic machineTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Mar 5, 1985·7 cites·2 claims
- 0740US4472103AMultistage hydraulic machines and methods of controlling operations thereofTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Sep 18, 1984·7 cites·2 claims
- 0839US4538957AMulti-stage hydraulic machine and control method for multi-stage hydraulic machineTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Sep 3, 1985·7 cites·6 claims
- 0938US4280788AMultistage hydraulic machine system and a method for controlling the operation thereofTOKYO SHIBAURA ELECTRIC CO·Filed 1979·Granted Jul 28, 1981·7 cites·3 claims
- 1036US4502831AMethod of controlling operation of multistage hydraulic machinesTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Mar 5, 1985·6 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →