Inventor

Yukitoshi Okubo

Inventor

Yokohama, JP

Overview

10→

Patents

1984–1999

Patent span

Physics

Primary field (CPC G)

Patents· 10 as inventor

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

G02Fprimary

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein33%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%

G11BInformation storage based on relative movement between record carrier and transducer10%

B01DSeparation5%

B05CApparatus for applying fluent materials to surfaces, in general5%

B09CReclamation of contaminated soil5%

B29CShaping or joining of plastics5%

B29DProducing particular articles from plastics or from substances in a plastic state5%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%

C02FTreatment of water, waste water, sewage, or sludge5%

PatentTitleYear

RE036161'Display process and apparatus thereof incorporating overlapping of color filters'1999 5,866,003'Apparatus for degrading pollutant, process for purifying contaminated medium and process for degrading pollutant'1999 RE035275'Biasing liquid crystal displays having capacitors and transistors'1996 5,480,596'Optical recording medium substrate sheet producing apparatus having roll stamper with elastomer layer of predetermined hardness'1996 5,328,816'Process for producing optical recording medium'1994 4,761,058'Biasing liquid crystal displays having capacitors and transistors'1988 4,472,027'Method for the orientation of liquid crystal and liquid crystal display device'1984 4,470,667'Display process and apparatus thereof incorporating overlapping of color filters'1984 4,448,491'Image display apparatus'1984 4,431,271'Display device with a thin film transistor and storage condenser'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1999Patents assigned to CANON KK (10)· patent assignee history

1984–1999Based in Yokohama, JP· patent location history

1994Based in Yohohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	10	1984–1999

Locations

Location	Patents	Span
Yokohama, JP	9	1984–1999
Yohohama, JP	1	1994