Inventor · disambiguated record
Masaya Imai
Also filed as: IMAI MASAYA
10 granted patents·1 pending application·174 citations·filing 1974–2022
90Inventor score
Files withHITACHI LTD7SUMITOMO LIGHT METAL IND2HITACHI CONSTRUCTION MACHINERY1HITACHI HIGH TECH CORP1
Top patents by PatentIndex Score
11 records- 0186US4462772AOil feeding device for scroll fluid apparatusHITACHI LTD·Filed 1981·Granted Jul 31, 1984·32 cites·9 claims
- 0273US4454748AApparatus for measuring the content of hydrogen dissolved in a molten metalSUMITOMO LIGHT METAL IND·Filed 1982·Granted Jun 19, 1984·30 cites·11 claims
- 0373US4350479AScrool-type fluid machine with liquid-filled force-balanced pocketsHITACHI LTD·Filed 1980·Granted Sep 21, 1982·25 cites·42 claims
- 0470US4384831AScroll-type fluid apparatus provided with means for counteracting a moment exerted on orbiting scroll memberHITACHI LTD·Filed 1980·Granted May 24, 1983·23 cites·14 claims
- 0566US4145059AMechanical sealHITACHI LTD·Filed 1976·Granted Mar 20, 1979·19 cites·1 claims
- 0657US4555224AOil feeding device for scroll fluid apparatusHITACHI LTD·Filed 1984·Granted Nov 26, 1985·11 cites·6 claims
- 0757US4401420AMale and female screw rotor assembly with specific tooth flanksHITACHI LTD·Filed 1980·Granted Aug 30, 1983·15 cites·11 claims
- 0849US2025105020A1Plasma processing methodHITACHI HIGH TECH CORP·Filed 2022·Application pending·0 cites
- 0946US3960057AHydraulic pump or motorHITACHI CONSTRUCTION MACHINERY·Filed 1974·Granted Jun 1, 1976·9 cites·6 claims
- 1044US4406602AScrew rotor with specific tooth profileHITACHI LTD·Filed 1981·Granted Sep 27, 1983·9 cites·7 claims
- 1125US5132919AAutomatic measuring device for measuring the amount of wax, oil and other substances applied on the surface of a workpieceSUMITOMO LIGHT METAL IND·Filed 1990·Granted Jul 21, 1992·1 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →