Inventor

Toshitada Doi

Inventor

Yokohama, JP

Overview

26→

Patents

1976–2007

Patent span

Physics

Primary field (CPC G)

Patents· 26 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 transducer30%

G06FElectric digital data processing14%

H04LTransmission of digital information, e.g. telegraphic communication9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes7%

H03MCoding7%

H04NPictorial communication, e.g. television7%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers7%

H03FAmplifiers5%

H04MTelephonic communication2%

PatentTitleYear

7,197,455'Content selection system'2007 6,742,118'Information processing apparatus, information processing method, data recording medium, and information processing system'2004 6,289,351'Method and device for detecting presence or absence of validity in data needed to be updated'2001 6,119,119'Data supplying method and device therefor'2000 5,953,721'Data supplying method and device thereof'1999 5,887,130'Information processing apparatus, information processing method, data recording medium, and information processing system'1999 4,644,546'Method of digital signal transmission'1987 4,622,598'Method of recording odd and even words of one channel PCM signals in plural tracks'1986 RE031666'Burst-error correcting system'1984 4,413,340'Error correctable data transmission method'1983 4,398,292'Method and apparatus for encoding digital with two error correcting codes'1983 4,393,502'Method and apparatus for communicating digital information words by error-correction encoding'1983 4,356,564'Digital signal transmission system with encoding and decoding sections for correcting errors by parity signals transmitted with digital information signals'1982 4,355,392'Burst-error correcting system'1982 4,306,305'PCM Signal transmitting system with error detecting and correcting capability'1981 4,238,852'Error correcting system'1980 4,215,335'Digital signal transmission method'1980 4,206,440'Encoding for error correction of recorded digital signals'1980 4,194,095'Fluid flow control speaker system'1980 4,188,616'Method and system for transmitting and receiving blocks of encoded data words to minimize error distortion in the recovery of said data words'1980 4,138,694'Video signal recorder/reproducer for recording and reproducing pulse signals'1979 4,121,205'Digital to analog converter with power amplification'1978 4,069,394'Stereophonic sound reproduction system'1978 4,068,091'Binaural sound pickup'1978 4,037,052'Sound pickup assembly'1977 3,980,963'Stabilized transistor amplifier'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2007Patents assigned to SONY CORP (24)· patent assignee history

1976–1984Based in Yokohama, JP· patent location history

1982–2007Based in Kanagawa, JP· patent location history

1983Patents assigned to DOI TOSHITADA (1)· patent assignee history

1983Patents assigned to FURUKAWA SHUNSUKE (1)· patent assignee history

1983Patents assigned to IWAMOTO IKUO (1)· patent assignee history

1983Based in Tokyo, JP· patent location history

1983Based in Kitashinagawa, JP· patent location history

1986–1987Patents assigned to STUDER WILLI AG (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SONY CORP	24	1976–2007
STUDER WILLI AG	2	1986–1987
DOI TOSHITADAself	1	1983
FURUKAWA SHUNSUKE	1	1983
IWAMOTO IKUO	1	1983

Locations

Location	Patents	Span
Yokohama, JP	14	1976–1984
Kanagawa, JP	10	1982–2007
Tokyo, JP	1	1983
Kitashinagawa, JP	1	1983