Inventor · disambiguated record
Machio Kawashima
Also filed as: KAWASHIMA MACHIO · NISHIMOTO TAKEHIKO
4 granted patents·59 citations·filing 1976–1986
77Inventor score
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0181US4326147ASlotted shadow mask having apertures spaced to minimize moireHITACHI LTD·Filed 1979·Granted Apr 20, 1982·20 cites·7 claims
- 0271US4210842AColor picture tube with shadow maskHITACHI LTD·Filed 1976·Granted Jul 1, 1980·14 cites·5 claims
- 0365US4642527AIn-line color picture tube apparatus with dynamic convergence correction deviceHITACHI LTD·Filed 1986·Granted Feb 10, 1987·21 cites·4 claims
- 0428US4514664AColor television receiverHITACHI LTD·Filed 1982·Granted Apr 30, 1985·4 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →