Takashi Doi

Person

Yamaguchi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing alkanediol
- Patent number 9,051,234
- Issue date Jun 9, 2015
- UBE Industries, Ltd.
- Yasutaka Yoshida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing high-purity 1,5-pentanediol
- Patent number 8,940,946
- Issue date Jan 27, 2015
- UBE Industries, Ltd.
- Yasutaka Yoshida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing aromatic aldehyde compound
- Patent number 8,618,335
- Issue date Dec 31, 2013
- Ube Industries Ltd.
- Takashi Doi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyph...
- Patent number 8,450,508
- Issue date May 28, 2013
- UBE Industries, Ltd.
- Takashi Doi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyph...
- Patent number 8,344,166
- Issue date Jan 1, 2013
- UBE Industries, Ltd.
- Takashi Doi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing laurolactam
- Patent number 8,338,589
- Issue date Dec 25, 2012
- UBE Industries, Ltd.
- Junichi Kugimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-methyl-3-(3,4-methylenedioxyphenyl)propanal, and method for produ...
- Patent number 8,168,809
- Issue date May 1, 2012
- UBE Industries, Ltd.
- Takashi Doi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyph...
- Patent number 8,039,649
- Issue date Oct 18, 2011
- UBE Industries, Ltd.
- Takashi Doi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of cyclododecanone
- Patent number 6,861,563
- Issue date Mar 1, 2005
- Ube Industries, Ltd.
- Ryoji Sugise
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of continuously producing a cyclododecanone compound
- Patent number 6,518,461
- Issue date Feb 11, 2003
- Ube Industries, Ltd.
- Ryoji Sugise
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diaryl carbonate product and production of polycarbonate
- Patent number 6,472,498
- Issue date Oct 29, 2002
- Ube Industries, Ltd.
- Ryoji Sugise
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for continuously producing a cyclododecanone compound
- Patent number 6,417,404
- Issue date Jul 9, 2002
- Ube Industries Ltd.
- Ryoji Sugise
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method and producing cyclododecanone compound
- Patent number 6,388,140
- Issue date May 14, 2002
- Ube Industries, Ltd.
- Ryoji Sugise
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst for decarbonylation reaction
- Patent number 5,892,091
- Issue date Apr 6, 1999
- Ube Industries, Ltd.
- Katsumasa Harada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing diaryl carbonate
- Patent number 5,892,089
- Issue date Apr 6, 1999
- Ube Industries, Ltd.
- Katsumasa Harada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing a diaryl carnonate
- Patent number 5,811,573
- Issue date Sep 22, 1998
- UBE Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of diaryl carbonate
- Patent number 5,792,883
- Issue date Aug 11, 1998
- Ube Industries, Ltd.
- Katsumasa Harada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing a diaryl carbonate
- Patent number 5,731,453
- Issue date Mar 24, 1998
- UBE Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING ALKANEDIOL
- Publication number 20140316167
- Publication date Oct 23, 2014
- Ube Industries, Ltd.
- Yasutaka Yoshida
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PRODUCING HIGH-PURITY 1,5-PENTANEDIOL
- Publication number 20140309461
- Publication date Oct 16, 2014
- Ube Industries, Ltd.
- Yasutaka Yoshida
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD OF RETAINING THE QUALITY OF 2-METHYL-3-(3,4-METHYLENEDIOXYPH...
- Publication number 20130046101
- Publication date Feb 21, 2013
- Takashi DOI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING A HIGH-PURITY AROMATIC METHYL ALCOHOL AND HIGH...
- Publication number 20120323021
- Publication date Dec 20, 2012
- Takashi Doi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING AROMATIC ALDEHYDE COMPOUND
- Publication number 20120071672
- Publication date Mar 22, 2012
- Takashi Doi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD OF RETAINING THE QUALITY OF 2-METHYL-3-(3,4-METHYLENEDIOXYPH...
- Publication number 20110301361
- Publication date Dec 8, 2011
- Ube Industries, Ltd.
- Takashi Doi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PRODUCING LAUROLACTAM
- Publication number 20110065913
- Publication date Mar 17, 2011
- Ube Industries, Ltd.
- Junichi Kugimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Application
2-METHYL-3-(3,4-METHYLENEDIOXYPHENYL)PROPANAL, AND METHOD FOR PRODU...
- Publication number 20100121085
- Publication date May 13, 2010
- Ube Industries, Ltd.
- Takashi Doi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD OF RETAINING THE QUALITY OF 2-METHYL-3-(3,4-METHYLENEDIOXYPH...
- Publication number 20100029541
- Publication date Feb 4, 2010
- Ube Industries, Ltd.
- Takashi Doi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparation of cyclododecanone
- Publication number 20040181096
- Publication date Sep 16, 2004
- Ryoji Sugise
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for continuously producing a cyclododecanone compound
- Publication number 20020099242
- Publication date Jul 25, 2002
- Ube Industries, Ltd.
- Ryoji Sugise
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method of continuously producing a cyclododecanone compound
- Publication number 20020077509
- Publication date Jun 20, 2002
- Ube Industries, Ltd.
- Ryoji Sugise
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Diaryl carbonate product and production of polycarbonate
- Publication number 20020019512
- Publication date Feb 14, 2002
- Ube Industries, Ltd.
- Ryoji Sugise
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method and producing cyclododecanone compound
- Publication number 20010023071
- Publication date Sep 20, 2001
- Ube Industries, Ltd.
- Ryoji Sugise
- C07 - ORGANIC CHEMISTRY

Takashi Doi

Person

Patents Grantslast 30 patents

Method for producing alkanediol

Method for producing high-purity 1,5-pentanediol

Process for preparing aromatic aldehyde compound

Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyph...

Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyph...

Process for producing laurolactam

2-methyl-3-(3,4-methylenedioxyphenyl)propanal, and method for produ...

Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyph...

Process for preparation of cyclododecanone

Method of continuously producing a cyclododecanone compound

Diaryl carbonate product and production of polycarbonate

Process for continuously producing a cyclododecanone compound

Method and producing cyclododecanone compound

Catalyst for decarbonylation reaction

Process for preparing diaryl carbonate

Process for producing a diaryl carnonate

Preparation of diaryl carbonate

Process for producing a diaryl carbonate

Patents Applicationslast 30 patents

METHOD FOR PRODUCING ALKANEDIOL

METHOD FOR PRODUCING HIGH-PURITY 1,5-PENTANEDIOL

METHOD OF RETAINING THE QUALITY OF 2-METHYL-3-(3,4-METHYLENEDIOXYPH...

METHOD FOR PRODUCING A HIGH-PURITY AROMATIC METHYL ALCOHOL AND HIGH...

PROCESS FOR PREPARING AROMATIC ALDEHYDE COMPOUND

METHOD OF RETAINING THE QUALITY OF 2-METHYL-3-(3,4-METHYLENEDIOXYPH...

PROCESS FOR PRODUCING LAUROLACTAM

2-METHYL-3-(3,4-METHYLENEDIOXYPHENYL)PROPANAL, AND METHOD FOR PRODU...

METHOD OF RETAINING THE QUALITY OF 2-METHYL-3-(3,4-METHYLENEDIOXYPH...

Process for preparation of cyclododecanone

Process for continuously producing a cyclododecanone compound

Method of continuously producing a cyclododecanone compound

Diaryl carbonate product and production of polycarbonate

Method and producing cyclododecanone compound