Stephen Z.D. Cheng

Person

Richfield, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Electron donor-fullerene conjugated molecules for organic photovolt...
- Patent number 9,478,746
- Issue date Oct 25, 2016
- The University of Akron
- Xiong Gong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sub-10-nanometer nanostructures engineered from giant surfactants
- Patent number 9,228,069
- Issue date Jan 5, 2016
- The University of Akron
- Stephen Z. D. Cheng
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Photonic crystal, conjugated polymers suitable for photonic crystal...
- Patent number 9,206,285
- Issue date Dec 8, 2015
- The University of Akron
- Stephen Z. Cheng
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Process and method for the efficient preparation of fullerynes
- Patent number 9,156,696
- Issue date Oct 13, 2015
- The University of Akron
- Xuehui Dong
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photonic crystal, conjugated polymers suitable for photonic crystal...
- Patent number 8,257,493
- Issue date Sep 4, 2012
- The University of Akron
- Stephen Z. Cheng
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Poly(aryletherimides) for negative birefringent films for LCDs
- Patent number 7,820,253
- Issue date Oct 26, 2010
- Akron Polymer Systems
- Frank Harris
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Poly(aryletherimides) for negative birefringent films for LCDs
- Patent number 7,438,957
- Issue date Oct 21, 2008
- Akon Polymer Systems
- Frank Harris
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyimides used as microelectronic coatings
- Patent number 7,074,493
- Issue date Jul 11, 2006
- The University of Akron
- Frank W. Harris
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Waveplate and optical circuit formed using mesogen-containing polymer
- Patent number 7,058,249
- Issue date Jun 6, 2006
- Lightwave Microsystems Corporation
- Ken Purchase
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Waveplate and optical circuit formed from mesogen-containing polymer
- Patent number 6,870,978
- Issue date Mar 22, 2005
- Ken Purchase
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Cut resistant polymeric films
- Patent number 6,021,524
- Issue date Feb 8, 2000
- The University of Akron
- Zongquan Wu
- A41 - WEARING APPAREL
Information Patent Grant
Negative birefringent rigid rod polymer films
- Patent number 5,580,950
- Issue date Dec 3, 1996
- The University of Akron
- Frank W. Harris
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Negative birefringent polyimide films
- Patent number 5,480,964
- Issue date Jan 2, 1996
- The University of Akron
- Frank W. Harris
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing aromatic polyimide fibers
- Patent number 5,378,420
- Issue date Jan 3, 1995
- Edison Polymer Innovation Corporation
- Frank W. Harris
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Negative birefringent polyimide films
- Patent number 5,344,916
- Issue date Sep 6, 1994
- The University of Akron
- Frank W. Harris
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
AN ORGANIC POLYMER PHOTO DEVICE WITH BROADBAND RESPONSE AND INCREAS...
- Publication number 20150318481
- Publication date Nov 5, 2015
- Xiong Gong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SUB-10-NANOMETER NANOSTRUCTURES ENGINEERED FROM GIANT SURFACTANTS
- Publication number 20150315348
- Publication date Nov 5, 2015
- Stephen Z.D. Cheng
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Electron Donor-Fullerene Conjugated Molecules for Organic Photovolt...
- Publication number 20140174536
- Publication date Jun 26, 2014
- The University of Akron
- XIONG GONG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POLYHEDRAL OLIGOMERIC SILSESQUIOXANE ORGANIC/POLYMERIC DYADS AND IT...
- Publication number 20140060650
- Publication date Mar 6, 2014
- The University of Akron
- Stephen Z.D. Cheng
- B82 - NANO-TECHNOLOGY
Information Patent Application
PROCESS AND METHOD FOR THE EFFICIENT PREPARATION OF FULLERYNES
- Publication number 20130144083
- Publication date Jun 6, 2013
- The University of Akron
- Xuehui Dong
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PHOTONIC CRYSTAL, CONJUGATED POLYMERS SUITABLE FOR PHOTONIC CRYSTAL...
- Publication number 20120296060
- Publication date Nov 22, 2012
- Stephen Z. Cheng
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLY(ARYLETHERIMIDES) FOR NEGATIVE BIREFRINGENT FILMS FOR LCDS
- Publication number 20090197019
- Publication date Aug 6, 2009
- The University of Akron
- Frank W. Harris
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Photonic Crystal, Conjugated Polymers Suitable for Photonic Crystal...
- Publication number 20080130111
- Publication date Jun 5, 2008
- Stephen Z. Cheng
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Poly(aryletherimides) for negative birefringent films for LCDs
- Publication number 20070014938
- Publication date Jan 18, 2007
- Frank Harris
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Waveplate and optical devices formed using mesogen-containing polymer
- Publication number 20050100265
- Publication date May 12, 2005
- Ken Purchase
- G02 - OPTICS
Information Patent Application
Polymide lcd alignment layer
- Publication number 20040138408
- Publication date Jul 15, 2004
- Frank W. Harris
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Waveplate and optical circuit formed from mesogen-containing polymer
- Publication number 20040013337
- Publication date Jan 22, 2004
- Ken Purchase
- G02 - OPTICS

Stephen Z.D. Cheng

Person

Patents Grantslast 30 patents

Electron donor-fullerene conjugated molecules for organic photovolt...

Sub-10-nanometer nanostructures engineered from giant surfactants

Photonic crystal, conjugated polymers suitable for photonic crystal...

Process and method for the efficient preparation of fullerynes

Photonic crystal, conjugated polymers suitable for photonic crystal...

Poly(aryletherimides) for negative birefringent films for LCDs

Poly(aryletherimides) for negative birefringent films for LCDs

Polyimides used as microelectronic coatings

Waveplate and optical circuit formed using mesogen-containing polymer

Waveplate and optical circuit formed from mesogen-containing polymer

Cut resistant polymeric films

Negative birefringent rigid rod polymer films

Negative birefringent polyimide films

Process for preparing aromatic polyimide fibers

Negative birefringent polyimide films

Patents Applicationslast 30 patents

AN ORGANIC POLYMER PHOTO DEVICE WITH BROADBAND RESPONSE AND INCREAS...

SUB-10-NANOMETER NANOSTRUCTURES ENGINEERED FROM GIANT SURFACTANTS

Electron Donor-Fullerene Conjugated Molecules for Organic Photovolt...

POLYHEDRAL OLIGOMERIC SILSESQUIOXANE ORGANIC/POLYMERIC DYADS AND IT...

PROCESS AND METHOD FOR THE EFFICIENT PREPARATION OF FULLERYNES

PHOTONIC CRYSTAL, CONJUGATED POLYMERS SUITABLE FOR PHOTONIC CRYSTAL...

POLY(ARYLETHERIMIDES) FOR NEGATIVE BIREFRINGENT FILMS FOR LCDS

Photonic Crystal, Conjugated Polymers Suitable for Photonic Crystal...

Poly(aryletherimides) for negative birefringent films for LCDs

Waveplate and optical devices formed using mesogen-containing polymer

Polymide lcd alignment layer

Waveplate and optical circuit formed from mesogen-containing polymer