LexDanaLexDanabeta
Inventor

Ryuji Katsuragi

Inventor
Tokyo, JP

Overview

28→
Patents
1995–2012
Patent span
Performing operations
Primary field (CPC B)

Patents· 28 as inventor

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

C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers39%
B41JTypewriters37%
B41MPrinting, duplicating, marking, or copying processes14%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%
C11DDetergent compositions2%
G02BOptical elements, systems or apparatus2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
8,205,980'Liquid composition, ink-jet recording process, ink-jet recording ink set, recording unit, ink cartridge, ink-jet recording apparatus, and ink-jet recording ink'20127,926,931'Ink and ink jet recording method'20117,637,581'Ink jet head substrate having heat generating resistor and ink jet head and recording method using same'20097,219,971'Ink jet head substrate having heat generating resistor and ink jet head and recording method using same'20077,189,014'Production process of light amount-adjusting member, light amount-adjusting member, light amount-adjusting device and photographing apparatus'20077,070,344'Production process of light amount adjustment member, light amount adjustment device and photographing apparatus'20066,902,264'INK, INK-JET INK, METHOD FOR REDUCING KOGATION ON SURFACE OF HEATER OF INK-JET RECORDING HEAD, METHOD FOR INK-JET RECORDING APPARATUS, RECORDING UNIT AND METHOD FOR PROLONGING INK-JET RECORDING HEAD LIFE'20056,827,434'Liquid composition, ink for ink-jet, ink set for ink-jet recording, ink-jet recording method, recording unit, ink cartridge, and ink-jet recording apparatus'20046,752,487'Liquid discharging head, method for manufacturing a liquid discharging head, and liquid discharging apparatus'20046,682,588'INK-JET INK, METHOD FOR ALLEVIATING KOGATION ON SURFACE OF HEATER OF INK-JET RECORDING HEAD, METHOD FOR INK-JET RECORDING, INK-JET RECORDING APPARATUS, RECORDING UNIT AND METHOD FOR PROLONGING INK-JET RECORDING HEAD LIFE'20046,644,798'Method of reducing kogation of heater of ink-jet recording head, ink-jet recording method, ink-jet recording apparatus, recording unit and method for prolonging service life of recording head'20036,607,266'Liquid composition, ink for ink-jet, ink set for ink-jet recording, ink-jet recording method, recording unit, ink cartridge, and ink jet recording apparatus'20036,604,809'Cleaning ink-jet recording head with liquid composition'20036,550,903'Liquid composition, ink set for ink-jet recording, ink-jet recording process, recording unit and ink-jet recording apparatus'20036,540,330'Liquid discharge head, method for producing the same and liquid discharge apparatus'20036,533,406'Liquid composition, ink set for ink-jet recording, ink-jet recording process, recording unit and ink-jet recording apparatus'20036,533,398'Method of reducing kogation on heater of ink-jet recording head, ink-jet recording process, ink-jet recording apparatus, recording unit, and method for lengthening the life of recording head'20036,513,922'INK, INK-JET INK, METHOD FOR REDUCING KOGATION ON SURFACE OF HEATER OF INK-JET RECORDING HEAD, METHOD FOR INK-JET RECORDING, INK-JET RECORDING APPARATUS, RECORDING UNIT AND METHOD FOR PROLONGING INK-JET RECORDING HEAD LIFE'20036,514,920'Liquid composition, method of cleaning ink-jet recording head, ink-jet recording apparatus, cartridge, and method of regenerating ink-jet recording head'20036,471,350'Method of protecting heater surface of ink-jet printer, ink-jet recording apparatus, recording unit and method of prolonging service life of ink-jet recording head'20026,460,987'Ink set for ink-jet recording, ink-jet recording method, recording unit, ink-jet recording apparatus and bleeding reducing method'20026,435,660'Ink jet recording head substrate, ink jet recording head, ink jet recording unit, and ink jet recording apparatus'20026,425,659'METHOD FOR ALLEVIATING KOGATION ON SURFACE OF HEATER OF INK-JET RECORDING HEAD, METHOD FOR INK-JET RECORDING, INK-JET RECORDING APPARATUS, RECORDING UNIT, AND METHOD FOR PROLONGING INK-JET RECORDING HEAD LIFE'20026,394,594'Ink, method of reducing kogation on heater of ink-jet recording head, ink-jet recording process, ink-jet recording apparatus, recording unit, and method for lengthening the life of recording head'20026,281,917'Image forming process employing liquid composition and ink in combination'20015,976,233'Water-based pigment ink, and ink-jet recording method and instruments using the same'19995,728,201'Ink, and ink-jet recording method and instruments using the same'19985,451,251'Ink, and ink-jet recording method and instrument using the same'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2012Patents assigned to CANON KK (28)· patent assignee history
1995–2009Based in Tokyo, JP· patent location history
2011–2012Based in Kawasaki, JP· patent location history
2012Patents assigned to KATSURAGI RYUJI (1)· patent assignee history
2012Patents assigned to NOTOYA YASUHARU (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK281995–2012
KATSURAGI RYUJIself12012
NOTOYA YASUHARU12012
Locations
LocationPatentsSpan
Tokyo, JP261995–2009
Kawasaki, JP22011–2012