Inventor

Tetsuo Okabe

Inventor

Kawasaki, JP

Overview

7→

Patents

1988–2011

Patent span

Physics

Primary field (CPC G)

Patents· 7 as inventor

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

B41Jprimary

B41JTypewriters27%

G02BOptical elements, systems or apparatus27%

B01LChemical or physical laboratory apparatus for general use7%

B41MPrinting, duplicating, marking, or copying processes7%

G01NInvestigating or analysing materials by determining their chemical or physical properties7%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%

G06TImage data processing or generation, in general7%

LOC217%

Y10TTechnical subjects covered by former us classification7%

PatentTitleYear

7,866,221'Method for storing pipette chip'2011 6,565,206'Ink-jet print method and apparatus, color filter, display device, and apparatus having display device'2003 6,329,108'Color-filter manufacturing method'2001 6,270,930'Production apparatus and production process for color filter, and liquid crystal display device using color filter produced thereby'2001 6,227,647'Ink-jet print apparatus and method using a pivoting ink-jet recording head'2001 D0432585'Control unit for simulation game machine'2000 4,794,531'Unsharp masking for image enhancement'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to HITACHI LTD (1)· patent assignee history

1988Patents assigned to HITACHI MEDICAL CORP (1)· patent assignee history

1988Based in Kashiwa, JP· patent location history

2000Patents assigned to SEGA ENTERPRISES KK (1)· patent assignee history

2000Based in Tokyo, JP· patent location history

2001–2011Patents assigned to CANON KK (5)· patent assignee history

2001–2003Based in Kawasaki, JP· patent location history

2011Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	5	2001–2011
HITACHI LTD	1	1988
HITACHI MEDICAL CORP	1	1988
SEGA ENTERPRISES KK	1	2000

Locations

Location	Patents	Span
Kawasaki, JP	4	2001–2003
Yokohama, JP	1	2011
Tokyo, JP	1	2000
Kashiwa, JP	1	1988