Inventor · disambiguated record
Masumi Hasegawa
Also filed as: HASEGAWA MASUMI
5 granted patents·1 pending application·98 citations·filing 1980–2024
82Inventor score
Top patents by PatentIndex Score
6 records- 0185US4557677AValveless lubricant pump for a lateral rotary compressorTOKYO SHIBAURA ELECTRIC CO·Filed 1984·Granted Dec 10, 1985·44 cites·8 claims
- 0278US7040880B2Horizontal rotary compressorTOSHIBA CARRIER CORP·Filed 2005·Granted May 9, 2006·8 cites·4 claims
- 0367US2024375717A1Vehicle frame structureMAZDA MOTOR·Filed 2024·Application pending·0 cites
- 0461US4543047ARotary compressorTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Sep 24, 1985·16 cites·4 claims
- 0556US5885062ASwitching valve fluid compressor and heat pump type refrigeration systemTOSHIBA KK·Filed 1997·Granted Mar 23, 1999·17 cites·28 claims
- 0652US4543046ARotary compressorTOKYO SHIBAURA ELECTRIC CO·Filed 1980·Granted Sep 24, 1985·13 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →