Hans-Jurgen Fromm

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ferroelectric liquid crystal mixtures and compounds as well as elec...
- Patent number 5,100,577
- Issue date Mar 31, 1992
- Hoffman-La Roche Inc.
- Richard Buchecker
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Liquid crystal compounds and indicating device employing same
- Patent number 5,013,476
- Issue date May 7, 1991
- Hoffmann-La Roche Inc.
- Arthur Boller
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...