Ayako Takeichi

Person

Iokorozawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ferroelectric liquid-crystal display with wide range of working tem...
- Patent number 6,549,188
- Issue date Apr 15, 2003
- Aventis Research & Technology Deutschland GmbH & Co.KG
- Ayako Takeichi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Ferroelectric liquid crystal mixture
- Patent number 6,171,519
- Issue date Jan 9, 2001
- Hoechst Research & Technology Deutschland GmbH & Co. KG
- Toshiaki Nonaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Difluorophenyl pyrimidyl pyridine derivatives and the use thereof i...
- Patent number 6,022,492
- Issue date Feb 8, 2000
- Hoescht Research & Technology Deutchland GmbH & Co.
- Toshiaki Nonaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ferroelectric liquid crystal device
- Patent number 5,880,804
- Issue date Mar 9, 1999
- Hoechst Aktiengesellschaft
- Hidemasa Yamaguchi
- G02 - OPTICS
Information Patent Grant
Compounds for use in liquid-crystal composition
- Patent number 5,876,628
- Issue date Mar 2, 1999
- Hoechst Aktiengesellschaft
- Gerhard Illian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Liquid crystal mixture
- Patent number 5,844,653
- Issue date Dec 1, 1998
- Hoechst Aktiengesellschaft
- Ayako Takeichi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ferroelectric liquid crystal mixture
- Patent number 5,779,935
- Issue date Jul 14, 1998
- Hoechst Aktiengesellschaft
- Ayako Takeichi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ferroelectric liquid crystal mixture
- Patent number 5,695,683
- Issue date Dec 9, 1997
- Hoechst Aktiengesellschaft
- Ayako Takeichi
- C07 - ORGANIC CHEMISTRY

Ayako Takeichi

Person

Patents Grantslast 30 patents

Ferroelectric liquid-crystal display with wide range of working tem...

Ferroelectric liquid crystal mixture

Difluorophenyl pyrimidyl pyridine derivatives and the use thereof i...

Process for producing ferroelectric liquid crystal device

Compounds for use in liquid-crystal composition

Liquid crystal mixture

Ferroelectric liquid crystal mixture

Ferroelectric liquid crystal mixture