Yoshin Tamai

Person

Niigata, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparation of 4-n-substituted amino-2-aza-1-oxabicyclo...
- Patent number 7,038,059
- Issue date May 2, 2006
- Kuraray Co., Ltd.
- Takashi Fukumoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of 2-oxocarboxylic acid esters
- Patent number 6,897,335
- Issue date May 24, 2005
- Kuraray Co., Ltd.
- Fumihiko Okabe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for preparing quinoline derivatives and intermediates the...
- Patent number 6,855,824
- Issue date Feb 15, 2005
- Kuraray Co., Ltd.
- Kuniaki Tatsuta
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of benzyloxyacetaldehyde
- Patent number 6,624,331
- Issue date Sep 23, 2003
- Kuraray Co., Ltd.
- Masahiro Torihara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing cyclopropanecarbonitrile
- Patent number 6,500,978
- Issue date Dec 31, 2002
- Kuraray Co., Ltd.
- Tatsuhiko Hayashibara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclopentenecarboxamide derivative, method for preparing the same a...
- Patent number 6,482,957
- Issue date Nov 19, 2002
- Kuraray Co., Ltd.
- Nobuya Katagiri
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclopentenecarboxamide derivative, method for preparing the same b...
- Patent number 6,452,004
- Issue date Sep 17, 2002
- Kuraray Co., Ltd.
- Nobuya Katagiri
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cis-configurational unsaturated ester, process for producing the sa...
- Patent number 6,159,928
- Issue date Dec 12, 2000
- Kuraray Co., Ltd.
- Kunio Mayahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing chromans
- Patent number 6,133,471
- Issue date Oct 17, 2000
- Kuraray Co., Ltd.
- Hiroyuki Monoe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing chromans
- Patent number 6,130,341
- Issue date Oct 10, 2000
- Kuraray Co., Ltd.
- Hiroyuki Monoe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclopentenecarboxamide derivative, method for preparing the same a...
- Patent number 6,127,539
- Issue date Oct 3, 2000
- Kuraray Co., Ltd.
- Nobuya Katagiri
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing polyprenols
- Patent number 5,981,811
- Issue date Nov 9, 1999
- Kuraray Co., Ltd.
- Katuji Ujita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclopentenecarboxamide derivative, method for preparing the same a...
- Patent number 5,817,812
- Issue date Oct 6, 1998
- Kuraray Co., Ltd.
- Nobuya Katagiri
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing all trans-form polyprenols
- Patent number 5,714,645
- Issue date Feb 3, 1998
- Kuraray Co., Ltd.
- Goro Asanuma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing geranylgeraniol
- Patent number 5,663,461
- Issue date Sep 2, 1997
- Kuraray Co., Ltd.
- Toshiki Mori
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 2,4-dihydroxyacetophenone
- Patent number 5,621,146
- Issue date Apr 15, 1997
- Kuraray Co., Ltd.
- Takashi Fukumoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing optically active 2-norbornanone
- Patent number 5,498,799
- Issue date Mar 12, 1996
- Kuraray Co., Ltd.
- Masahiro Torihara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing chroman
- Patent number 5,495,026
- Issue date Feb 27, 1996
- Kuraray Company Ltd.
- Eriko Fukumoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing (.+-.)-2,5,5,8a-tetramethyl-1-(carboxymethyl)...
- Patent number 5,347,048
- Issue date Sep 13, 1994
- Kuraray Co., Ltd.
- Goro Asanuma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing vitamin A acid
- Patent number 5,312,978
- Issue date May 17, 1994
- Kuraray Company Ltd.
- Toshiki Mori
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing L-ambrox
- Patent number 5,290,955
- Issue date Mar 1, 1994
- Kuraray Co., Ltd.
- Goro Asanuma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 2-methyl-1-naphthol
- Patent number 5,278,343
- Issue date Jan 11, 1994
- Kuraray Company, Ltd.
- Masato Taniura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing irone
- Patent number 5,185,470
- Issue date Feb 9, 1993
- Kuraray Company, Ltd.
- Goro Asanuma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Conjugated .gamma.-hydroxybutenolide compounds and antiulcer agents...
- Patent number 5,084,464
- Issue date Jan 28, 1992
- Kuraray Company Ltd.
- Yoshin Tamai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Skin depigmental agent
- Patent number 4,959,393
- Issue date Sep 25, 1990
- Kuraray Company, Ltd.
- Masahiro Torihara
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for treating ulcer
- Patent number 4,950,818
- Issue date Aug 21, 1990
- Kuraray Company, Ltd.
- Yoshin Tamai
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
2-cyano-4-phenyl pentane and fragrance or perfume compositions cont...
- Patent number 4,837,351
- Issue date Jun 6, 1989
- Kuraray Company Ltd.
- Masahiro Torihara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ethylene oxide adducts, method of producing same and cosmetics and...
- Patent number 4,656,195
- Issue date Apr 7, 1987
- Kuraray Co., Ltd.
- Yoshin Tamai
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Certain cyclopropane carboxylic acid esters and their pesticidal use
- Patent number 4,532,258
- Issue date Jul 30, 1985
- Kuraray Co., Ltd.
- Yoshiaki Omura
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
1,1,1-Trihalogeno-4-methylpentenes, method of preparing the same an...
- Patent number RE31330
- Issue date Aug 2, 1983
- Kuraray Co., Ltd.
- Yoshiji Fujita
- 204 - Chemistry: electrical and wave energy

Patents Applicationslast 30 patents

Information Patent Application
Process for preparation of 2-oxocarboxylic acid esters
- Publication number 20040162441
- Publication date Aug 19, 2004
- Fumihiko Okabe
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparation of 4-n-substituted amino-2-aza-1-oxabicyclo...
- Publication number 20040121482
- Publication date Jun 24, 2004
- Takashi Fukumoto
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Processes for preparing quinoline derivatives and intermedias thereof
- Publication number 20030125355
- Publication date Jul 3, 2003
- Kuniaki Tatsuta
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing cyclopropanecarbonitrile
- Publication number 20020120163
- Publication date Aug 29, 2002
- Kuraray Co. Ltd.
- Tatsuhiko Hayashibara
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Cyclopentenecarboxamide derivative, method for preparing the same a...
- Publication number 20020115857
- Publication date Aug 22, 2002
- Kuraray Co., Ltd
- Nobuya Katagiri
- C07 - ORGANIC CHEMISTRY

Yoshin Tamai

Person

Patents Grantslast 30 patents

Process for preparation of 4-n-substituted amino-2-aza-1-oxabicyclo...

Process for preparation of 2-oxocarboxylic acid esters

Processes for preparing quinoline derivatives and intermediates the...

Process for the preparation of benzyloxyacetaldehyde

Process for producing cyclopropanecarbonitrile

Cyclopentenecarboxamide derivative, method for preparing the same a...

Cyclopentenecarboxamide derivative, method for preparing the same b...

Cis-configurational unsaturated ester, process for producing the sa...

Process for producing chromans

Process for producing chromans

Cyclopentenecarboxamide derivative, method for preparing the same a...

Process for preparing polyprenols

Cyclopentenecarboxamide derivative, method for preparing the same a...

Process for producing all trans-form polyprenols

Process for producing geranylgeraniol

Process for producing 2,4-dihydroxyacetophenone

Process for producing optically active 2-norbornanone

Process for producing chroman

Process for producing (.+-.)-2,5,5,8a-tetramethyl-1-(carboxymethyl)...

Process for producing vitamin A acid

Process for producing L-ambrox

Process for producing 2-methyl-1-naphthol

Process for producing irone

Conjugated .gamma.-hydroxybutenolide compounds and antiulcer agents...

Skin depigmental agent

Method for treating ulcer

2-cyano-4-phenyl pentane and fragrance or perfume compositions cont...

Ethylene oxide adducts, method of producing same and cosmetics and...

Certain cyclopropane carboxylic acid esters and their pesticidal use

1,1,1-Trihalogeno-4-methylpentenes, method of preparing the same an...

Patents Applicationslast 30 patents

Process for preparation of 2-oxocarboxylic acid esters

Process for preparation of 4-n-substituted amino-2-aza-1-oxabicyclo...

Processes for preparing quinoline derivatives and intermedias thereof

Process for producing cyclopropanecarbonitrile

Cyclopentenecarboxamide derivative, method for preparing the same a...