Ying-Ying Cheng

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ink composition
- Patent number 5,421,868
- Issue date Jun 6, 1995
- International Business Machines Corporation
- Juan Ayalia-Esquilin
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Polyimide coating compositions based on meta-dialkyldihydrogen pyro...
- Patent number RE34524
- Issue date Jan 25, 1994
- International Business Machines Corporation
- Richard D. Diller
- 528 - Synthetic resins or natural rubbers
Information Patent Grant
Polyimide coating compositions based on meta-dialkyldihydrogen pyro...
- Patent number 4,849,501
- Issue date Jul 18, 1989
- International Business Machines Corporation
- Richard D. Diller
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...