Inventor
OHTA HARUO
JP29 patents
⚠️ This page may combine multiple inventors who share the name “OHTA HARUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
26 patentsUS5278846AJan 11, 1994
Digital signal decoder
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD216 citations98
US7433245B2Oct 7, 2008
Memory card able to guarantee a recoding rate and memory card system using the memory card
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations93
US6724555B2Apr 20, 2004
Data detecting apparatus and method thereof
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations92
US6614841B1Sep 2, 2003
Signal processing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations92
US6560053B1May 6, 2003
Clock recovery apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations92
US5633764AMay 27, 1997
Magnetic tape recording/reproducing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD56 citations92
US5265125ANov 23, 1993
Signal detection apparatus for detecting digital information from PCM signal
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD46 citations92
US5166955ANov 24, 1992
Signal detection apparatus for detecting digital information from a PCM signal
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations92
US6711228B1Mar 23, 2004
Multi-rate clock generator and multi-rate digital data reproducing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations84
US4905101AFeb 27, 1990
Time base corrector
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations82
US4827342AMay 2, 1989
Video signal processing apparatus for removing noise from reproduced signals
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations82
US4825289AApr 25, 1989
Noise reduction apparatus for video signal
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations82
US6747826B2Jun 8, 2004
Clock recovery apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US5953482ASep 14, 1999
Magnetic recording/reproducing apparatus with the recording/reproducing heads preceding the erasing heads
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US5051614ASep 24, 1991
Dropout detecting apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations74
US4994754AFeb 19, 1991
Digital FM demodulating apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US4982191AJan 1, 1991
Clamping apparatus and gain control apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations74
US4849826AJul 18, 1989
Digital non-linear pre-emphasis/de-emphasis apparatus for eliminating noise components from video signals in a video signal processing system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations74
US5535244AJul 9, 1996
Digital modulating/demodulating apparatus and a digital demodulating apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations73
US5402272AMar 28, 1995
Digital signal magnetic recording/reproducing apparatus using amplitude phase shift keying and frequency-multiplexing
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73
US5255127AOct 19, 1993
Digital modulated signal demodulator/decoder apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations73
US5233479AAug 3, 1993
Apparatus for demodulating and decoding multi-level amplitude modulation signal conveying digital data
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations73
US4686583AAug 11, 1987
Dropout compensating apparatus using a digital delay circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations69
US5991108ANov 23, 1999
Recording and reproducing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations63
US5299003AMar 29, 1994
Signal processing apparatus for changing the frequency characteristics of an input signal
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
USRE39029EMar 21, 2006
Magnetic recording/reproducing apparatus with the recording/reproducing heads preceding the erasing heads
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations39