Inventor · disambiguated record
Toshifumi Shibuya
Also filed as: SHIBUYA TOSHIFUMI
9 granted patents·169 citations·filing 1981–1986
89Inventor score
Files withHITACHI LTD9
Top patents by PatentIndex Score
9 records- 0189US4677622AError correction method and systemHITACHI LTD·Filed 1984·Granted Jun 30, 1987·33 cites·5 claims
- 0289US4617599APCM signal recording/reproducing apparatusHITACHI LTD·Filed 1984·Granted Oct 14, 1986·33 cites·10 claims
- 0382US4685004ARotary head type PCM recording and reproduction method and systemHITACHI LTD·Filed 1985·Granted Aug 4, 1987·28 cites·9 claims
- 0479US4649542ADigital signal transmission method providing high error correction capabilityHITACHI LTD·Filed 1984·Granted Mar 10, 1987·21 cites·6 claims
- 0577US4843493ARotary head type magnetic recording and reproducing apparatus and method of producing tracking control signals thereforHITACHI LTD·Filed 1986·Granted Jun 27, 1989·24 cites·25 claims
- 0668US4780772AApparatus for reproducing digital signals from a digital audio recording mediumHITACHI LTD·Filed 1986·Granted Oct 25, 1988·16 cites·3 claims
- 0742US4746900ASignal processing circuitHITACHI LTD·Filed 1986·Granted May 24, 1988·6 cites·9 claims
- 0839US4491880AMagnetic recording and/or reproducing apparatusHITACHI LTD·Filed 1982·Granted Jan 1, 1985·5 cites·7 claims
- 0931US4392020AStereo demodulation system for an FM stereo broadcast receiverHITACHI LTD·Filed 1981·Granted Jul 5, 1983·3 cites·15 claims
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