Inventor · disambiguated record
Masao Kawashima
Also filed as: KAWASHIMA MASAO
12 granted patents·257 citations·filing 1973–2009
92Inventor score
Top patents by PatentIndex Score
12 records- 0188US4764067AScrew with groove for self-lock and method and rolling flat die for manufacturing the sameJSM SCREW CO LTD·Filed 1986·Granted Aug 16, 1988·48 cites·10 claims
- 0288US4249925AMethod of manufacturing an optical fiberFUJITSU LTD·Filed 1979·Granted Feb 10, 1981·58 cites·10 claims
- 0387US3993834ALight transmitting filamentMITSUBISHI RAYON CO·Filed 1974·Granted Nov 23, 1976·58 cites·11 claims
- 0475US4782688ARolling flat die for manufacturing a screw with groove for self-lockingJSM SCREW CO LTD·Filed 1987·Granted Nov 8, 1988·26 cites·12 claims
- 0568US9086094B2Cage for rolling bearing and rolling bearingEGAMI MASAKI·Filed 2009·Granted Jul 21, 2015·3 cites·11 claims
- 0664US5089410AProcess for the production of betacyanin pigmentsSOMAR CORP·Filed 1990·Granted Feb 18, 1992·10 cites·7 claims
- 0757US3940543AUnitary spun composite filamentMITSUBISHI RAYON CO·Filed 1973·Granted Feb 24, 1976·8 cites·10 claims
- 0853US5061744AResist ink compositionSOMAR CORP·Filed 1989·Granted Oct 29, 1991·16 cites·15 claims
- 0951US5077355AEpoxy resin/imidazole/polyphenol adduct as epoxy curing agentSOMAR CORP·Filed 1990·Granted Dec 31, 1991·14 cites·8 claims
- 1046US4782681AMethod of rolling a screw with groove for self-lockingJSM SCREW CO LTD·Filed 1987·Granted Nov 8, 1988·8 cites·19 claims
- 1141US5085995AMethod for producing saffron stigma-like tissue and method for producing useful components from saffron stigma-like tissueSOMAR CORP·Filed 1989·Granted Feb 4, 1992·6 cites·10 claims
- 1227US5084388AMethod of producing brassinosteroidsSOMAR CORP AND THE I OF PHYSIC·Filed 1990·Granted Jan 28, 1992·2 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →