P

Inventor

CHENG STEPHEN Z D

US14 patents
⚠️ This page may combine multiple inventors who share the name “CHENG STEPHEN Z D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV AKRON

5 patents
US5344916ASep 6, 1994

Negative birefringent polyimide films

UNIV AKRON181 citations98
US5580950ADec 3, 1996

Negative birefringent rigid rod polymer films

UNIV AKRON103 citations97
US5480964AJan 2, 1996

Negative birefringent polyimide films

UNIV AKRON100 citations96
US6021524AFeb 8, 2000

Cut resistant polymeric films

UNIV AKRON100 citations95
US7074493B1Jul 11, 2006

Polyimides used as microelectronic coatings

UNIV AKRON1 citations52

GONG XIONG

2 patents
US9478746B2Oct 25, 2016

Electron donor-fullerene conjugated molecules for organic photovoltaic cells

GONG XIONG2 citations61
US10608184B2Mar 31, 2020

Organic polymer photo device with broadband response and increased photo-responsitivity

GONG XIONG0 citations50

EDISON POLYMER INNOVATION

1 patent
US5378420AJan 3, 1995

Process for preparing aromatic polyimide fibers

EDISON POLYMER INNOVATION20 citations92

LIGHTWAVE MICROSYSTEMS CORP

1 patent
US7058249B2Jun 6, 2006

Waveplate and optical circuit formed using mesogen-containing polymer

LIGHTWAVE MICROSYSTEMS CORP31 citations91

(unassigned)

1 patent
US6870978B2Mar 22, 2005

Waveplate and optical circuit formed from mesogen-containing polymer

7 citations71

AKRON POLYMER SYSTEMS

1 patent
US7820253B2Oct 26, 2010

Poly(aryletherimides) for negative birefringent films for LCDs

AKRON POLYMER SYSTEMS2 citations60

AKON POLYMER SYSTEMS

1 patent
US7438957B2Oct 21, 2008

Poly(aryletherimides) for negative birefringent films for LCDs

AKON POLYMER SYSTEMS2 citations56

DONG XUEHUI

1 patent
US9156696B2Oct 13, 2015

Process and method for the efficient preparation of fullerynes

DONG XUEHUI3 citations54

CHENG STEPHEN Z D

1 patent
US9228069B2Jan 5, 2016

Sub-10-nanometer nanostructures engineered from giant surfactants

CHENG STEPHEN Z D0 citations38