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Inventor

Tatsuo Kamei

Inventor
Mobara, JP

Overview

10→
Patents
1997–2021
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 therein50%
G09GArrangements or circuits for control of indicating devices using static means to present variable information19%
H04NPictorial communication, e.g. television13%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors6%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them6%
G06TImage data processing or generation, in general6%
PatentTitleYear
11,050,941Camera device and manufacturing system for selective outputting of images based on rotational position of the camera device20217,855,709'Liquid crystal display device'20107,460,259'Print control device and print control method'20087,301,523'Liquid crystal display device'20076,504,585'LIQUID CRYSTAL DISPLAY DEVICE HAVING A PATTERN VARYING THE OVERLAP OF A LIGHT-SHIELD FILM CONNECTED TO THE NEIGHBORING GATE LINE AND THE PIXEL ELECTRODE TO IMPROVE VOLTAGE DIFFERENCE BETWEEN DIFFERENT PIXEL ELECTRODES'20036,335,773'Liquid crystal display device in which the light length, polarizing axis, and alignment direction are related'20026,249,325'Having a pattern for improving voltage difference between different pixel electrodes in which semiconductive or signal line portion is larger for a more remote pixel'20015,844,255'Structure of liquid crystal display device for antireflection'19985,668,649'Structure of liquid crystal display device for antireflection'19975,640,174'Method of driving an active matrix liquid crystal display panel with asymmetric signals'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2003Patents assigned to HITACHI LTD (6)· patent assignee history
1997Patents assigned to HITACHI DEVICE ENG (1)· patent assignee history
1997–2003Based in Mobara, JP· patent location history
2002–2010Based in Chiba, JP· patent location history
2007–2010Patents assigned to HITACHI DISPLAYS LTD (2)· patent assignee history
2008Patents assigned to PANASONIC CORP (1)· patent assignee history
2008Based in Suita, JP· patent location history
2021Patents assigned to PANASONIC I PRO SENSING SOLUTIONS CO LTD (1)· patent assignee history
2021Based in Fukuoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD61997–2003
HITACHI DISPLAYS LTD22007–2010
HITACHI DEVICE ENG11997
PANASONIC CORP12008
PANASONIC I PRO SENSING SOLUTIONS CO LTD12021
Locations
LocationPatentsSpan
Mobara, JP51997–2003
Chiba, JP32002–2010
Fukuoka, JP12021
Suita, JP12008