Inventor · disambiguated record
Naofumi Okubo
Also filed as: OKUBO NAOFUMI
12 granted patents·1 pending application·661 citations·filing 1983–2006
94Inventor score
Files withFUJITSU LTD13
Top patents by PatentIndex Score
13 records- 0196US5287069AConstant-amplitude wave combination type amplifierFUJITSU LTD·Filed 1992·Granted Feb 15, 1994·140 cites·44 claims
- 0296US5264807AHigh frequency power amplifier with high efficiency and low distortionFUJITSU LTD·Filed 1991·Granted Nov 23, 1993·118 cites·10 claims
- 0391US4588962ADevice for distributing and combining microwave electric powerFUJITSU LTD·Filed 1983·Granted May 13, 1986·50 cites·113 claims
- 0489US5455538ALinear amplifier for amplifying a composite signal of plural frequency componentsFUJITSU LTD·Filed 1994·Granted Oct 3, 1995·49 cites·17 claims
- 0588US4562409ACavity resonator coupling-type power distributor/power combinerFUJITSU LTD·Filed 1984·Granted Dec 31, 1985·38 cites·37 claims
- 0684US4598254AMicrowave power distributing and synthesizing device and microwave power amplifying apparatus including the sameFUJITSU LTD·Filed 1984·Granted Jul 1, 1986·27 cites·30 claims
- 0781US5940029ARadar apparatusFUJITSU LTD·Filed 1998·Granted Aug 17, 1999·67 cites·12 claims
- 0879US5973636ARadar apparatus with a simplified constructionFUJITSU LTD·Filed 1997·Granted Oct 26, 1999·87 cites·16 claims
- 0970US5381153APortable FM-CW radar device with frequency conversion by first and second frequenciesFUJITSU LTD·Filed 1994·Granted Jan 10, 1995·46 cites·32 claims
- 1064US4686494ACavity resonator coupling type power distributor/power combiner comprising coupled input and output cavity resonatorsFUJITSU LTD·Filed 1984·Granted Aug 11, 1987·16 cites·25 claims
- 1155US4796155ALiquid cooling type high frequency solid state deviceFUJITSU LTD·Filed 1987·Granted Jan 3, 1989·22 cites·2 claims
- 1242US2007135150A1Channel assigning method and system for radio base station groupFUJITSU LTD·Filed 2006·Application pending·0 cites
- 1329US5095283AAmplifier circuit having feedback circuitFUJITSU LTD·Filed 1991·Granted Mar 10, 1992·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →