Inventor · Troy, NY, US

Kwok Pong Chan

60Patents
8h-index
104Co-inventors
81Inventor score

Filing activity: Mar 1, 1994 → Jun 10, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US6091879A Organic photochromic compositions and method for fabrication of polymer waveguides Emerging Cross-Sectional Technologies 28 Expired
US5883218A Optically active spirobiindane polymers Chemistry; Metallurgy 20 Expired
US6483981B1 Single-channel attenuators Physics 13 Expired
US6191224A Dispersion-controlled polymers for broadband fiber optic devices Emerging Cross-Sectional Technologies 12 Expired
US6194120A Organic photochromic compositions and method for fabrication of polymer waveguides Emerging Cross-Sectional Technologies 11 Expired
US6288206A Chiral polymer compositions exhibiting nonlinear optical properties Chemistry; Metallurgy 9 Expired
US5777063A Optically active indane polymers Chemistry; Metallurgy 9 Expired
US6335998B1 Blockless fiber optic attenuators and attenuation systems employing dispersion tailored polymers Physics 9 Expired
US5830988A Indane polyetherimides Chemistry; Metallurgy 7 Expired
US6681073B2 Fiber optic power control systems and methods Physics 6 Expired
US8278383B2 Methods of preparing polymer-organoclay composites and articles derived therefrom Performing Operations; Transporting 6 Active
US6466729B1 Controllable fiber optic attenuators employing tapered and/or etched fiber sections Physics 5 Expired
US6303695A Dispersion-controlled polymers for broadband fiber optic devices Emerging Cross-Sectional Technologies 5 Expired
US8182967B2 Optical data storage media and methods for using the same Physics 5 Active
US7928154B2 Methods of preparing polymer-organoclay composites and articles derived therefrom Performing Operations; Transporting 5 Active
US5856422A Optically active poly(aryl)ethers containing optically pure spirobindane and indane moieties Chemistry; Metallurgy 5 Expired
US6489399B1 Dye-appended polymers for broadband fiber optic devices Emerging Cross-Sectional Technologies 5 Expired
US8568991B2 Photoactivated chemical bleaching of dyes Physics 4 Active
US8158243B2 Methods of preparing polymer-organoclay composites and articles derived therefrom Performing Operations; Transporting 4 Active
US8568867B2 Polyimide solvent cast films having a low coefficient of thermal expansion and method of manufacture thereof Emerging Cross-Sectional Technologies 3 Active
US8124299B2 Methods for using optical data storage media Physics 3 Active
US5994596A Method for preparing high purity indane bisphenols Chemistry; Metallurgy 3 Expired
US6268435A Dispersion-controlled polymers for broadband fiber optic devices Emerging Cross-Sectional Technologies 3 Expired
US8178261B2 Optical data storage media and methods for using the same Physics 3 Active
US10343214B2 Method for channel formation in binder jet printing Emerging Cross-Sectional Technologies 2 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.