Inventor · disambiguated record
Masafumi Kazumi
Also filed as: KAZUMI MASAFUMI
6 granted patents·63 citations·filing 1982–1984
82Inventor score
Files withHITACHI LTD6
Top patents by PatentIndex Score
6 records- 0172US4476491AGhost reduction circuit for television receiverHITACHI LTD·Filed 1982·Granted Oct 9, 1984·22 cites·16 claims
- 0268US4563654AMOS-Transistor amplifierHITACHI LTD·Filed 1984·Granted Jan 7, 1986·13 cites·17 claims
- 0356US4574384ASignal transfer system using a charge transfer deviceHITACHI LTD·Filed 1983·Granted Mar 4, 1986·11 cites·12 claims
- 0451US4577228ATransversal filter incorporating MOS-transistor amplifiersHITACHI LTD·Filed 1984·Granted Mar 18, 1986·9 cites·2 claims
- 0545US4559560AGhost reduction circuit for a television receiverHITACHI LTD·Filed 1983·Granted Dec 17, 1985·7 cites·8 claims
- 0630US4581600AD/A converterHITACHI LTD·Filed 1983·Granted Apr 8, 1986·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →