Yasuyuki Koizumi

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Silicon compound, liquid crystal composition and liquid crystal dis...
- Patent number 6,703,083
- Issue date Mar 9, 2004
- Chisso Corporation
- Takashi Kato
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Liquid crystalline compound, liquid crystal composition comprising...
- Patent number 6,319,570
- Issue date Nov 20, 2001
- Chisso Corporation
- Tugumiti Andou
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Liquid crystal compounds, liquid crystal compostions containing the...
- Patent number 6,190,576
- Issue date Feb 20, 2001
- Chisso Corporation
- Tugumiti Andou
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound having alkadienyl group as side chain, and liquid crystal...
- Patent number 6,174,457
- Issue date Jan 16, 2001
- Chisso Corporation
- Takashi Kato
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Liquid crystalline compound having dienyl moiety and liquid crystal...
- Patent number 6,086,964
- Issue date Jul 11, 2000
- Chisso Corporation
- Noriyuki Onishi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fluorine-substituted liquid-crystal compound, liquid-crystal compos...
- Patent number 6,051,288
- Issue date Apr 18, 2000
- Chisso Corporation
- Tomoyuki Kondo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Liquid-crystalline compound having dienyl moiety and liquid-crystal...
- Patent number 6,001,275
- Issue date Dec 14, 1999
- Chisso Corporation
- Noriyuki Onishi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Liquid crystal compostion and liquid crystal display device
- Patent number 5,820,784
- Issue date Oct 13, 1998
- Chisso Corporation
- Tomoyuki Kondo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Alkenylcyclohexane derivatives, liquid crystal composition and liqu...
- Patent number 5,776,367
- Issue date Jul 7, 1998
- Chisso Corporation
- Shuichi Matsui
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ester derivative, liquid crystal composition and liquid crystal dis...
- Patent number 5,755,994
- Issue date May 26, 1998
- Chisso Corporation
- Tomoyuki Kondo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Liquid crystal composition and liquid crystal display element
- Patent number 5,733,477
- Issue date Mar 31, 1998
- Chisso Corporation
- Tomoyuki Kondo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing optically active endo-2-norborneols
- Patent number 5,604,120
- Issue date Feb 18, 1997
- Chisso Corporation
- Hitoshi Yano
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for producing optically active 3-aminobutanoic acid and the...
- Patent number 5,518,903
- Issue date May 21, 1996
- Chisso Corporation
- Naoyuki Yoshida
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for producing an optically active 1,5-disubstituted-2,4-O-i...
- Patent number 5,449,793
- Issue date Sep 12, 1995
- Chisso Corporation
- Kazutoshi Miyazawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active trans-2-aryl-1-cyclohexanol derivatives and a proc...
- Patent number 5,395,766
- Issue date Mar 7, 1995
- Chisso Corporation
- Yasuyuki Koizumi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 1-phenyl-1,3-propanediols having high optical...
- Patent number 5,395,983
- Issue date Mar 7, 1995
- Chisso Corporation
- Kazutoshi Miyazawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active 1-5-disubstituted-2,4-o-isopropylidene-2,4-dihydro...
- Patent number 5,329,018
- Issue date Jul 12, 1994
- Chisso Corporation
- Kazutoshi Miyazawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing optically active 3-substituted-2-norbornanones...
- Patent number 5,266,728
- Issue date Nov 30, 1993
- Chisso Corporation
- Naoyuki Yoshida
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Silicon compound, liquid cystal composition and liquid crystal display
- Publication number 20030168632
- Publication date Sep 11, 2003
- Takashi Kato
- C07 - ORGANIC CHEMISTRY

Yasuyuki Koizumi

Person

Patents Grantslast 30 patents

Silicon compound, liquid crystal composition and liquid crystal dis...

Liquid crystalline compound, liquid crystal composition comprising...

Liquid crystal compounds, liquid crystal compostions containing the...

Compound having alkadienyl group as side chain, and liquid crystal...

Liquid crystalline compound having dienyl moiety and liquid crystal...

Fluorine-substituted liquid-crystal compound, liquid-crystal compos...

Liquid-crystalline compound having dienyl moiety and liquid-crystal...

Liquid crystal compostion and liquid crystal display device

Alkenylcyclohexane derivatives, liquid crystal composition and liqu...

Ester derivative, liquid crystal composition and liquid crystal dis...

Liquid crystal composition and liquid crystal display element

Method for producing optically active endo-2-norborneols

Process for producing optically active 3-aminobutanoic acid and the...

Process for producing an optically active 1,5-disubstituted-2,4-O-i...

Optically active trans-2-aryl-1-cyclohexanol derivatives and a proc...

Process for producing 1-phenyl-1,3-propanediols having high optical...

Optically active 1-5-disubstituted-2,4-o-isopropylidene-2,4-dihydro...

Method for producing optically active 3-substituted-2-norbornanones...

Patents Applicationslast 30 patents

Silicon compound, liquid cystal composition and liquid crystal display