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Inventor

Masayuki Nakayama

Inventor
Tokyo, JP

Overview

12→
Patents
1981–2013
Patent span
Physics
Primary field (CPC G)

Patents· 12 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 transducer40%
G06FElectric digital data processing20%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves7%
G03GElectrography7%
G10GRepresentation of music7%
G10HElectrophonic musical instruments7%
H05KPrinted circuits7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
8,455,748'Tuner device'20137,767,898'Display equipment and display program for electronic musical instruments'20106,795,950'Printed circuit board design system'20046,411,457'Recording/reproducing method and recording/reproducing apparatus'20026,283,438'Shock absorbing holder and information processor having same'20016,215,609'Recording/reproducing method and recording/reproducing apparatus'20015,915,254'File storing system for managing a relational data base including information of a parental relationship'19995,861,876'Position detecting apparatus'19995,187,529'Device for collecting a toner carrier in an image developing apparatus'19934,729,048'Magnetic transducer combination with formatting, data, and servo heads'19884,701,815'Tracking servo system for disc memory'19874,280,159'Method of and apparatus for indicating length and remaining recording capacity of a recording tape'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2002Patents assigned to SONY CORP (6)· patent assignee history
1981–2002Based in Tokyo, JP· patent location history
1993Patents assigned to MITSUBISHI ELECTRIC CORP (1)· patent assignee history
1993Based in Hyogo, JP· patent location history
1999–2004Patents assigned to FUJITSU LTD (2)· patent assignee history
1999–2004Based in Oyama, JP· patent location history
2001Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (1)· patent assignee history
2001Based in Kobe, JP· patent location history
2010–2013Patents assigned to ROLAND CORP (2)· patent assignee history
2010–2013Based in Hamamatsu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP61981–2002
FUJITSU LTD21999–2004
ROLAND CORP22010–2013
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12001
MITSUBISHI ELECTRIC CORP11993
Locations
LocationPatentsSpan
Tokyo, JP61981–2002
Hamamatsu, JP22010–2013
Oyama, JP21999–2004
Kobe, JP12001
Hyogo, JP11993