Inventor · disambiguated record
Masao Obara
Also filed as: OBARA MASAO
12 granted patents·103 citations·filing 1977–1998
90Inventor score
Top patents by PatentIndex Score
12 records- 0169US6166484ADeflection yoke, cathode-ray tube device using the same and display deviceHITACHI LTD·Filed 1998·Granted Dec 26, 2000·23 cites·17 claims
- 0269US5070280ADeflection yokeHITACHI LTD·Filed 1990·Granted Dec 3, 1991·22 cites·10 claims
- 0369US5049847ADeflection yoke with auxiliary coils for stray line radiation suppressionHITACHI LTD·Filed 1989·Granted Sep 17, 1991·17 cites·8 claims
- 0447US5548190ADeflection yoke and cathode-ray tube apparatus comprising the sameHITACHI LTD·Filed 1995·Granted Aug 20, 1996·7 cites·26 claims
- 0546US4096462ADeflection yoke device for use in color television receiver setsHITACHI LTD·Filed 1977·Granted Jun 20, 1978·5 cites·1 claims
- 0644US5332912AHeterojunction bipolar transistorTOSHIBA KK·Filed 1993·Granted Jul 26, 1994·12 cites·16 claims
- 0742US5668447ADeflection yoke and cathode-ray tube apparatus comprising the sameHITACHI LTD·Filed 1996·Granted Sep 16, 1997·5 cites·18 claims
- 0842US5475287ACathode-ray tube apparatus and yokeHITACHI LTD·Filed 1993·Granted Dec 12, 1995·5 cites·5 claims
- 0933US4737692APincushion distortion correction deviceHITACHI LTD·Filed 1985·Granted Apr 12, 1988·4 cites·6 claims
- 1031US5701061ACathode-ray tube apparatus and yokeHITACHI LTD·Filed 1995·Granted Dec 23, 1997·1 cites·1 claims
- 1130US5907214ADeflection yoke with coils for reducing unwanted magnetic field radiationHITACHI LTD·Filed 1996·Granted May 25, 1999·1 cites·11 claims
- 1230US5523594AHeterojunction bipolar transistorTOSHIBA KK·Filed 1995·Granted Jun 4, 1996·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →