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Takehira Yoshikazu
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Itami, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Process for producing 3-hydroxy-γ-butyrolactone derivatives
Patent number
6,268,515
Issue date
Jul 31, 2001
Daiso Co., Ltd.
Kazumasa Hinoue
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Ferroelectric liquid crystal device
Patent number
5,374,373
Issue date
Dec 20, 1994
Sharp Kabushiki Kaisha
Mitsuhiro Koden
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Liquid crystalline compounds and process for production thereof
Patent number
5,324,450
Issue date
Jun 28, 1994
Daiso Co., Ltd.
Kazuhiko Sakaguchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Liquid crystalline compounds and process for production thereof
Patent number
5,308,540
Issue date
May 3, 1994
Daiso Co., Ltd.
Kazuhiko Sakaguchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active 2-methylenepentane derivative and process for prep...
Patent number
5,250,715
Issue date
Oct 5, 1993
Daiso Co., Ltd.
Takashi Takahashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing optically active atenolol and intermediate th...
Patent number
5,223,646
Issue date
Jun 29, 1993
Daiso Company, Ltd.
Yoshikazu Takehira
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Ferroelectric liquid crystal composition and liquid crystal device...
Patent number
5,215,678
Issue date
Jun 1, 1993
Sharp Kabushiki Kaisha
Mitsuhiro Koden
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Optically active 2-methylenepentane derivative and process for prep...
Patent number
5,216,187
Issue date
Jun 1, 1993
Daiso Co., Ltd.
Takashi Takahashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active 2-methylenecyclopentanone derivative and process f...
Patent number
5,200,538
Issue date
Apr 6, 1993
Daiso Co., Ltd.
Takashi Takahashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active 2-methylenecyclopentanone derivative and process f...
Patent number
5,180,844
Issue date
Jan 19, 1993
Daiso Co., Ltd.
Takashi Takahashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing optically active cyclopentenone derivative
Patent number
5,136,066
Issue date
Aug 4, 1992
Daiso Co., Ltd.
Takashi Takahashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing optically active atenolol and intermediate th...
Patent number
5,130,482
Issue date
Jul 14, 1992
Daiso Company, Ltd.
Yoshikazu Takehira
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Chiral smectic liquid crystal composition
Patent number
5,026,506
Issue date
Jun 25, 1991
Sharp Kabushiki Kaisha
Mitsuhiro Koden
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Liquid crystal composition and use thereof
Patent number
4,973,425
Issue date
Nov 27, 1990
Daiso Co., Ltd.
Sakaguchi Kazuhiko
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Liquid crystalline compounds and process for production thereof
Patent number
4,909,957
Issue date
Mar 20, 1990
Daiso Co., Ltd.
Kazuhiko Sakaguchi
C07 - ORGANIC CHEMISTRY