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Inventor

Allan Carmichael

Inventor
Orwell, GB

Overview

3→
Patents
1998–2010
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 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 therein29%
B29CShaping or joining of plastics14%
B29DProducing particular articles from plastics or from substances in a plastic state14%
B29LIndexing scheme associated with subclass b29c, relating to particular articles14%
G02CSpectacles14%
H04NPictorial communication, e.g. television14%
PatentTitleYear
7,728,949'Electro-active lens'20107,520,972'Process for making a mold piece having a main curved surface bearing a utilitary microstructure'20095,757,341'Color liquid crystal projection display systems'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to PHILIPS CORP (1)· patent assignee history
1998Based in Eindhoven, NL· patent location history
2009Patents assigned to ESSILOR INT (1)· patent assignee history
2009–2010Based in Orwell, GB· patent location history
2010Patents assigned to PIXELOPTICS INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ESSILOR INT12009
PHILIPS CORP11998
PIXELOPTICS INC12010
Locations
LocationPatentsSpan
Orwell, GB22009–2010
Eindhoven, NL11998