Inventor · disambiguated record
Ichiro Hitomi
Also filed as: HITOMI ICHIRO
3 granted patents·65 citations·filing 1987–1988
73Inventor score
Files withHITACHI LTD3
Top patents by PatentIndex Score
3 records- 0157US4746268AEnd face mechanical shaft seal for use in hydraulic machines and seal ring assembly for use in the shaft sealHITACHI LTD·Filed 1987·Granted May 24, 1988·20 cites·15 claims
- 0257US4743827AVariable speed pumping-up electrical power systemHITACHI LTD·Filed 1987·Granted May 10, 1988·28 cites·4 claims
- 0354US4892419ALubricated bearing apparatus for hydraulic machineryHITACHI LTD·Filed 1988·Granted Jan 9, 1990·17 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →