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Inventor

Takatoshi Ohkubo

Inventor
Atsugi, JP

Overview

9→
Patents
1991–2000
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 9 as inventor

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

Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests26%
G11BInformation storage based on relative movement between record carrier and transducer23%
Y10TTechnical subjects covered by former us classification23%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds16%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
PatentTitleYear
6,030,695'Coated magnetic recording medium, paint for coated magnetic medium and method for producing coated magnetic medium'20005,932,330'Coated magnetic recording medium, paint for coated magnetic medium and method for producing coated magnetic medium'19995,260,136'Magnetic recording medium comprising a cured dispersion coating of sulfonated hydroxy-functional polyurethane binder and magnetizable pigment'19935,240,972'Carbamate modified sulfonated and non-sulfonated hydroxy-functional polyurethane macroiniferter compounds, copolymers made therewith, and magnetic recording media prepared therefrom'19935,185,423'Method of making sulfonated hydroxy-functional polyurethane binder for magnetic recording media'19935,118,580'Magnetic recording media prepared from polyurethane copolymers formed utilizing an interferter compound'19925,085,941'Magnetic recording medium with hydroxy functional, sulfonated binder system'19925,071,578'Sulfonated hydroxy-functional polyurethane binder for magnetic recording media'19915,069,807'Binder composition for use in magnetic recording media'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1993Patents assigned to MINNESOTA MINING & MFG (7)· patent assignee history
1991–1993Based in Atsugi, JP· patent location history
1992Based in St. Paul, MN, US· patent location history
1999–2000Patents assigned to IMATION CORP (2)· patent assignee history
1999–2000Based in Hadano, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINNESOTA MINING & MFG71991–1993
IMATION CORP21999–2000
Locations
LocationPatentsSpan
Atsugi, JP61991–1993
Hadano, JP21999–2000
St. Paul, Minnesota, US11992