Inventor

Chunghei Yeung

Inventor

Evansville, IN, US

Overview

3→

Patents

2007–2008

Patent span

Physics

Primary field (CPC G)

Patents· 3 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus20%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein20%

C08JWorking-up10%

C09KMaterials for miscellaneous applications, not provided for elsewhere10%

G01MTesting static or dynamic balance of machines or structures10%

G01NInvestigating or analysing materials by determining their chemical or physical properties10%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

Y10TTechnical subjects covered by former us classification10%

PatentTitleYear

7,341,784'Light management film and its preparation and use'2008 7,339,664'System and method for inspecting a light-management film and method of making the light-management film'2008 7,251,079'Brightness enhancement film, and methods of making and using the same'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2008Patents assigned to GEN ELECTRIC (3)· patent assignee history

2007–2008Based in Evansville, IN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GEN ELECTRIC	3	2007–2008

Locations

Location	Patents	Span
Evansville, IN, US	3	2007–2008