LexDanaLexDanabeta
Inventor

Atsushi Hayami

Inventor
Yokohama, JP

Overview

40→
Patents
1988–2018
Patent span
Electricity
Primary field (CPC H)

Patents· 40 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer39%
H03MCoding35%
F16HGearing8%
H04LTransmission of digital information, e.g. telegraphic communication5%
A61BDiagnosis1%
F02BInternal-combustion piston engines1%
G06FElectric digital data processing1%
G16HHealthcare informatics, i.e. information and communication technology [ict] specially adapted for the handling or processing of medical or healthcare data1%
G16ZInformation and communication technology [ict] specially adapted for specific application fields, not otherwise provided for1%
H03KPulse technique1%
PatentTitleYear
10,129,846Information analysis system for transmitting information that requires timing synchronization20189,143,165'Decoding apparatus and decoding method for decoding LDPC-encoded data'20159,026,880'Decoding apparatus and decoding method for decoding LDPC-encoded data'20158,611,411'Equalizer and equalization method'20138,568,258'Chain tensioner'20138,419,575'Ball-type tensioner'20138,282,520'Chain tensioner'20128,092,327'Tensioner lever for chain drive'20127,967,708'Chain guide for use in engine'20117,468,012'Ratchet type tensioner'20087,408,863'Digital signal processing method, data recording and reproducing apparatus, and data recording medium that are resistant to burst errors'20087,218,262'Modulation system'20077,154,835'Digital signal processing method, data recording and reproducing apparatus, and data recording medium that are resistant to burst errors'20067,132,967'Modulation system'20067,061,839'Optical information recording medium and recording/reproducing apparatus for such medium'20067,016,286'Digital signal modulation method, digital signal modulation apparatus, encoding method, encoding apparatus, storage medium, transmission apparatus and program'20067,003,046'Modulation system'20066,963,296'Recording method, recording apparatus, transmitting apparatus, reproducing method, reproducing apparatus, receiving apparatus, recording medium, and transmission medium'20056,940,431'Method and apparatus for modulating and demodulating digital data'20056,898,166'Synchronous signal generating method, recording apparatus, transmitting apparatus, recording medium, and transmission medium'20056,853,320'Modulation system'20056,819,724'Viterbi decoder and Viterbi decoding method'20046,772,386'Digital signal processing method, data recording and reproducing apparatus, and data recording medium that are resistant to burst errors'20046,765,511'Method and apparatus for encoding digital data'20046,690,308'Computer program for implementing a modulation method and a demodulation method therefor'20046,686,855'Computer program for encoding digital data'20046,683,922'Data decoding apparatus and data decoding method'20046,670,896'Method and apparatus for modulating and demodulating digital data'20036,661,761'Reproducing apparatus for optical disc recorded in high density'20036,653,952'Modulation method, modulation apparatus, demodulation method, demodulation apparatus, information recording medium, information transmission method, and information transmission apparatus'20036,577,255'Method and apparatus for encoding digital data'20036,573,848'Modulation system using encoding tables and method therefor'20036,538,965'Optical disc, information recording apparatus and information reproducing apparatus therefor'20036,492,920'Modulation method, modulator, transmission apparatus and recording medium'20026,477,125'Decoding apparatus'20026,300,886'Four-to-six code table, modulation using same but no merging bit, their application to optical disc recording or playing systems'20016,297,753'Eight-to-fifteen modulation using no merging bit and optical disc recording or reading systems based thereon'20015,282,096'Magnetic recording and playback apparatus'19944,811,128'Digital signal recording and reproducing apparatus having rotary magnetic heads'19894,777,452'Bit clock signal generator for use in a digital signal demodulator'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2008Patents assigned to VICTOR COMPANY OF JAPAN (30)· patent assignee history
1988–1994Based in Yamato, JP· patent location history
2001–2018Based in Yokohama, JP· patent location history
2002–2008Based in Kanagawa, JP· patent location history
2008–2013Patents assigned to TSUBAKIMOTO CHAIN CO (6)· patent assignee history
2008–2013Based in Osaka, JP· patent location history
2012–2013Patents assigned to HAYAMI ATSUSHI (5)· patent assignee history
2012–2013Patents assigned to KUREMATSU YUJI (3)· patent assignee history
2013–2018Patents assigned to JVC KENWOOD CORP (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VICTOR COMPANY OF JAPAN301988–2008
TSUBAKIMOTO CHAIN CO62008–2013
HAYAMI ATSUSHIself52012–2013
JVC KENWOOD CORP42013–2018
KUREMATSU YUJI32012–2013
Locations
LocationPatentsSpan
Yokohama, JP202001–2018
Kanagawa, JP112002–2008
Osaka, JP62008–2013
Yamato, JP31988–1994