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Inventor

Huagang Chen

Inventor
Arlington, TX, US

Overview

11→
Patents
2003–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 11 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes45%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations40%
B01FMixing, e.g. dissolving, emulsifying or dispersing5%
C03BManufacture, shaping, or supplementary processes5%
G02BOptical elements, systems or apparatus5%
PatentTitleYear
11,130,103Electrically controlled mixing and blending apparatus for chemical liquid raw materials202111,053,157Optical fiber and manufacturing method thereof20218,313,754'Ophthalmic compositions containing a synergistic combination of two polymers'20127,947,295'Ophthalmic compositions containing a synergistic combination of two polymers'20117,914,803'Ophthalmic compositions containing a synergistic combination of three polymers'20117,709,012'Ophthalmic compositions containing a synergistic combination of two polymers'20107,618,620'Ophthalmic compositions containing a synergistic combination of three polymers'20097,329,411'Ophthalmic compositions containing a synergistic combination of three polymers'20087,306,802'Ophthalmic compositions containing a synergistic combination of three polymers'20077,244,440'Ophthalmic compositions containing a synergistic combination of three polymers'20076,620,797'Artificial tear composition containing a combination of three demulcents'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2011Patents assigned to ALCON INC (8)· patent assignee history
2003–2010Based in Irving, TX, US· patent location history
2007–2012Based in Arlington, TX, US· patent location history
2012Patents assigned to CHEN HUAGANG (1)· patent assignee history
2012Patents assigned to CHOWHAN MASOOD A (1)· patent assignee history
2012Patents assigned to NOVARTIS AG (1)· patent assignee history
2021Patents assigned to CHENGDU FUTONG OPTICAL COMMUNICATION TECH CO LTD (1)· patent assignee history
2021Based in Dongguan, CN· patent location history
2021Based in Chengdu, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALCON INC82003–2011
CHEN HUAGANGself12012
CHENGDU FUTONG OPTICAL COMMUNICATION TECH CO LTD12021
CHOWHAN MASOOD A12012
NOVARTIS AG12012
Locations
LocationPatentsSpan
Arlington, Texas, US62007–2012
Irving, Texas, US32003–2010
Dongguan, CN12021
Chengdu, CN12021