Inventor

Qiuming Qian

Inventor

Drexel Hill, PA, US

Overview

1→

Patents

1998

Patent span

Chemistry

Primary field (CPC C)

Patents· 1 as inventor

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds20%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients20%

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%

Y10TTechnical subjects covered by former us classification20%

PatentTitleYear

5,845,025'Optical coupling device and process for modulating light'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to UNIV PENNSYLVANIA (1)· patent assignee history

1998Based in Drexel Hill, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UNIV PENNSYLVANIA	1	1998

Locations

Location	Patents	Span
Drexel Hill, Pennsylvania, US	1	1998