Zhifeng Li

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Westford, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Toner additive comprising carbon-silica dual phase particles
- Patent number 8,435,707
- Issue date May 7, 2013
- Cabot Corporation
- Hairuo Tu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Toner Additive Comprising Carbon-Silica Dual Phase Particles
- Publication number 20120322002
- Publication date Dec 20, 2012
- Hairuo Tu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY