Jing C. Chang

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Springfield, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Filter rod including electrostatically charged fibers
- Patent number 10,226,070
- Issue date Mar 12, 2019
- Philip Morris USA Inc.
- Szu-Sung Yang
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Method and apparatus for manufacture of smoking article filter asse...
- Patent number 9,788,572
- Issue date Oct 17, 2017
- Philip Morris USA Inc.
- Szu-Sung Yang
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Method for manufacture of smoking article filter assembly including...
- Patent number 8,534,294
- Issue date Sep 17, 2013
- Philip Morris USA Inc.
- Szu-Sung Yang
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR MANUFACTURE OF SMOKING ARTICLE FILTER ASSE...
- Publication number 20130331247
- Publication date Dec 12, 2013
- Philip Morris USA Inc.
- Szu-Sung Yang
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
METHOD AND APPARATUS FOR MANUFACTURE OF SMOKING ARTICLE FILTER ASSE...
- Publication number 20110083686
- Publication date Apr 14, 2011
- Philip Morris USA Inc.
- Szu-Sung Yang
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
FILTER INCLUDING RANDOMLY-ORIENTED FIBERS FOR REDUCTION OF PARTICLE...
- Publication number 20100006112
- Publication date Jan 14, 2010
- Philip Morris USA, Inc.
- Szu-Sung Yang
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
Filter including electrostatically charged fiber material
- Publication number 20080314400
- Publication date Dec 25, 2008
- Philip Morris USA Inc.
- Szu-Sung Yang
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES