Chau T. Ha

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Polymer layer for optical media
- Patent number 5,942,302
- Issue date Aug 24, 1999
- Imation Corp.
- Chau T. Ha
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording disk having a sealcoat layer
- Patent number 5,609,990
- Issue date Mar 11, 1997
- Imation Corp.
- Chau T. Ha
- G11 - INFORMATION STORAGE
Information Patent Grant
Radiation-curable composition comprising a polydimethylsiloxane
- Patent number 5,585,201
- Issue date Dec 17, 1996
- Minnesota Mining and Manufacturing Company
- Chau T. Ha
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...