Inventor · disambiguated record
Yukinari Fujiwara
Also filed as: FUJIWARA YUKINARI
10 granted patents·463 citations·filing 1978–2002
92Inventor score
Top patents by PatentIndex Score
10 records- 0190US4231116ARadio station systemHITACHI LTD·Filed 1978·Granted Oct 28, 1980·61 cites·3 claims
- 0289US6603359B2High-frequency power amplifying apparatusMOBILE COMM TOKYO INC·Filed 2002·Granted Aug 5, 2003·54 cites·14 claims
- 0380US5802451ANon-linear compensation circuit for a power amplifierHITACHI ELECTRONICS·Filed 1996·Granted Sep 1, 1998·48 cites·11 claims
- 0480US5432842AMobile communication switching across cell boundariesHITACHI LTD·Filed 1992·Granted Jul 11, 1995·140 cites·24 claims
- 0576US4476437ASystem for detecting abnormal condition of high frequency output signal in its power levelHITACHI ELECTRONICS·Filed 1982·Granted Oct 9, 1984·22 cites·2 claims
- 0675US5771263ACommunication system control method and communication system using the methodHITACHI ELECTRONICS·Filed 1997·Granted Jun 23, 1998·45 cites·8 claims
- 0764US6246732B1Demodulator including adaptive equalizer and demodulating method in digital communicationsHITACHI ELECTRONICS·Filed 1998·Granted Jun 12, 2001·54 cites·15 claims
- 0859US5889766ATransmission/reception method based on frequency division multiple access having changeable communication channel bandwidths and communication apparatus employing the methodHITACHI ELECTRONICS·Filed 1997·Granted Mar 30, 1999·28 cites·9 claims
- 0948US4754235AFrequency synthesizer with low power consumptionHITACHI ELECTRONICS·Filed 1987·Granted Jun 28, 1988·9 cites·3 claims
- 1022US5068624AAmplifierHITACHI ELECTRONICS·Filed 1990·Granted Nov 26, 1991·2 cites·3 claims
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