Ru-Yi Qi

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Towanda, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Mn-dope Na-Li-taenolite
- Patent number 5,658,495
- Issue date Aug 19, 1997
- Osram Sylvania Inc.
- Ru-Yi Qi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phosphor and method of making same
- Patent number 5,597,511
- Issue date Jan 28, 1997
- Osram Sylvania Inc.
- James R. Cox
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phosphor and method of making same
- Patent number 5,567,351
- Issue date Oct 22, 1996
- Osram Sylvania Inc.
- Ru-Yi Qi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phosphor and method of making same
- Patent number 5,567,352
- Issue date Oct 22, 1996
- Osram Sylvania Inc.
- Ru-Yi Qi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phosphor and method of making same
- Patent number 5,531,926
- Issue date Jul 2, 1996
- Osram Sylvania Inc.
- Ru-Yi Qi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...