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Tetsuo Nakajo
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Oita-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Process for production of allyl acetate production catalyst
Patent number
8,338,327
Issue date
Dec 25, 2012
Showa Denko K.K.
Etsuko Kadowaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing aromatic compounds by Friedel-Crafts reaction
Patent number
7,115,782
Issue date
Oct 3, 2006
Showa Denko K.K.
Toshio Okuhara
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for purifying hexafluoroethane
Patent number
6,274,782
Issue date
Aug 14, 2001
Showa Denko K.K.
Hiromoto Ohno
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalytic decomposition of perfluoro-compound
Patent number
6,162,957
Issue date
Dec 19, 2000
Showa Denko K.K.
Tetsuo Nakajo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for producing a higher silane
Patent number
6,027,705
Issue date
Feb 22, 2000
Showa Denko K.K.
Yu Kitsuno
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Catalytic decomposition of perfluoro-compound
Patent number
6,023,007
Issue date
Feb 8, 2000
Showa Denko K.K.
Tetsuo Nakajo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for producing perfluorocarbon
Patent number
5,892,134
Issue date
Apr 6, 1999
Showa Denko K.K.
Hiromoto Ohno
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing tetrafluoromethane
Patent number
5,714,648
Issue date
Feb 3, 1998
Showa Denko K.K.
Hiromoto Ohno
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing hexafluoroethane
Patent number
5,710,351
Issue date
Jan 20, 1998
Showa Denko K.K.
Hiromoto Ohno
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing perfluorocarbon
Patent number
5,675,046
Issue date
Oct 7, 1997
Showa Denko K.K.
Hiromoto Ohno
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fluorination catalyst and fluorination process
Patent number
5,569,795
Issue date
Oct 29, 1996
Showa Denko K.K.
Katsuyuki Tsuji
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Chromium-based fluorination catalyst, process for producing the cat...
Patent number
5,494,873
Issue date
Feb 27, 1996
Showa Denko K.K.
Katsuyuki Tsuji
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fluorination catalyst and fluorination process
Patent number
5,494,876
Issue date
Feb 27, 1996
Showa Denko K.K.
Katsuyuki Tsuji
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Chromium-based fluorination catalyst containing gallium and product...
Patent number
5,494,877
Issue date
Feb 27, 1996
Showa Denko K.K.
Katsuyuki Tsuji
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing oxygen-containing hydrocarbon compounds
Patent number
4,568,699
Issue date
Feb 4, 1986
Agency of Industrial Science and Technology
Ken-ichi Sano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Rhodium catalyst and method for preparing the same
Patent number
4,420,420
Issue date
Dec 13, 1983
Showa Denko Kabushiki Kaisha
Yukimitsu Mita
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Rhodium catalyst and method for preparing the same
Patent number
4,376,724
Issue date
Mar 15, 1983
Showa Denko Kabushiki Kaisha
Yukimitsu Mita
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR PRODUCTION OF ALLYL ACETATE PRODUCTION CATALYST
Publication number
20100099903
Publication date
Apr 22, 2010
SHOWDA DENKO K.K.
Etsuko Kadowaki
C07 - ORGANIC CHEMISTRY
Information
Patent Application
HYDROGENATION METHOD AND PETROCHEMICAL PROCESS
Publication number
20100087692
Publication date
Apr 8, 2010
Showa Denko K.K.
Yuuji Yoshimura
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Process for producing catalyst for production of acetic acid, catal...
Publication number
20060234859
Publication date
Oct 19, 2006
Yoshiaki Obana
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing aromatic compounds by friedel-crafts reaction
Publication number
20050222457
Publication date
Oct 6, 2005
Toshio Okuhara
C07 - ORGANIC CHEMISTRY