LexDanaLexDanabeta
Inventor

Akira Ushimaru

Inventor
Kanagawa, JP

Overview

18→
Patents
1980–1997
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 18 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 transducer35%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests26%
Y10TTechnical subjects covered by former us classification24%
B05DProcesses for applying fluent materials to surfaces, in general2%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds2%
C08JWorking-up2%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein2%
G03CPhotosensitive materials for photographic purposes2%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices2%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management2%
PatentTitleYear
5,626,796'Light sensitive composition for black matrix, substrate for color filter, and liquid crystal display'19975,368,949'Magnetic recording medium having specific subbing layers and process for recovery and processing thereof'19945,356,726'Magnetic recording medium comprising a magnetic layer having ferromagnetic powder, a specified binder and a lubricant composition which includes a specified tertiary branched chain fatty acid ester'19945,336,561'Magnetic recording medium'19945,270,109'Magnetic recording medium having a magnetic layer comprising ferromagnetic powder, a binder and a specified organosilicon lubricant compound'19935,254,404'Magnetic recording medium comprising ferromagnetic particles having crystallite size of less than 450 angstroms and a specified polyurethane binder'19935,244,736'Magnetic recording medium having multiple magnetic layers with specified compositions'19935,165,999'Magnetic recording medium containing a polyurethane resin having a modified amine acid incorporated into the resin'19925,164,259'Magnetic recording medium having a specified fatty acid hydroxylaluminum salt as a lubricant contained in or on the magnetic layer'19925,153,053'Magnetic recording medium comprising a lower magnetic layer containing an amine modified vinyl chloride copolymer and an upper magnetic layer containing a vinyl chloride copolymer with a polar group'19925,139,866'Magnetic recording medium'19925,132,179'Magnetic recording medium comprising plural magnetic layers'19925,073,439'Magnetic recording medium comprising a vinyl chloride based resin group containing an epoxy group or a polar or both and further a polyurethane resin containing three hydroxyl groups and one polar group'19915,063,119'Magnetic recording medium comprising a fluorine containing oligomer surfactant in or on the magnetic layer'19914,861,674'Magnetic recording medium'19894,612,235'Magnetic recording medium'19864,428,974'Process for producing magnetic recording material'19844,222,777'Process for forming color images'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1997Patents assigned to FUJI PHOTO FILM CO LTD (18)· patent assignee history
1980Based in Saitama, JP· patent location history
1984–1986Based in Odawara, JP· patent location history
1989–1994Based in Kanagawa, JP· patent location history
1997Patents assigned to IBM (1)· patent assignee history
1997Based in Shizuoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI PHOTO FILM CO LTD181980–1997
IBM11997
Locations
LocationPatentsSpan
Kanagawa, JP141989–1994
Odawara, JP21984–1986
Shizuoka, JP11997
Saitama, JP11980