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Yutaka Tokiwa
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Tsuchiura, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Tyrosinase activity controlling agent, process for producing the sa...
Patent number
7,754,864
Issue date
Jul 13, 2010
National Institute of Advanced Industrial Science and Technology
Yutaka Tokiwa
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Method for degrading polylactide resins
Patent number
7,235,398
Issue date
Jun 26, 2007
National Institute of Advanced Industrial Science and Technology
Yutaka Tokiwa
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Biodegradable polylactide resin composition
Patent number
6,987,138
Issue date
Jan 17, 2006
National Institute of Advanced Industrial Science and Technology
Yutaka Tokiwa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Biodegradable resin compositions
Patent number
6,669,771
Issue date
Dec 30, 2003
National Institute of Advanced Industrial Science and Technology
Yutaka Tokiwa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Microorganism capable of degrading polylactic acid resin and method...
Patent number
6,066,492
Issue date
May 23, 2000
Director General of Agency of Industrial Science and Technology
Yutaka Tokiwa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of degrading polylactic acid resin using staphylococcus homi...
Patent number
5,925,556
Issue date
Jul 20, 1999
Agency of Industrial Science and Technology
Yutaka Tokiwa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing polymerization sugar esters
Patent number
5,859,217
Issue date
Jan 12, 1999
Director General of Agency of Industrial Science and Technology
Yutaka Tokiwa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of decomposing hard type rubber products
Patent number
5,854,058
Issue date
Dec 29, 1998
Director General of Agency of Industrial Science and Technology
Akio Tsuchii
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Enzymatic decomposition of polycarbonate resin
Patent number
5,674,740
Issue date
Oct 7, 1997
Director General of Agency of Industrial Science and Technology
Tetsushi Suyama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Biodegradable plastic composition and biodegradable plastic shaped...
Patent number
5,401,778
Issue date
Mar 28, 1995
Director-General of Agency of Industrial Science & Technology
Yutaka Tokiwa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Starch-containing biodegradable plastic and method of producing same
Patent number
5,256,711
Issue date
Oct 26, 1993
Director-General of Agency of Industrial Science
Yutaka Tokiwa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Biodisintegrable thermoplastic resin moldings and a process for pro...
Patent number
5,225,490
Issue date
Jul 6, 1993
Director-General of Agency of Industrial Science & Technology
Yutaka Tokiwa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Biodecomposable or biodisintegrable moldable material
Patent number
5,206,087
Issue date
Apr 27, 1993
Director-General of Agency of Industrial Science & Technology
Yutaka Tokiwa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Biodegradable plastic composition, biodegradable plastic shaped bod...
Patent number
5,124,371
Issue date
Jun 23, 1992
Director-General of Agency of Industrial Science & Technology
Yutaka Tokiwa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Biodisintegrable thermoplastic resin foam and a process for produci...
Patent number
5,116,880
Issue date
May 26, 1992
Director-General of Agency of Industrial Science & Technology
Yutaka Tokiwa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Biodisintegrable thermoplastic resin foam and a process for produci...
Patent number
5,110,838
Issue date
May 5, 1992
Director-General of Agency of Industrial Science & Technology
Yutaka Tokiwa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Method of Decomposing Polyhydroxyalkanoate Resin
Publication number
20070259413
Publication date
Nov 8, 2007
Yutaka Tokiwa
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
Carrier for nucleic acid molecule delivery
Publication number
20070059828
Publication date
Mar 15, 2007
Tetsuji Yamaoka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Tyrosinase activity cntrolling agent, process for producing the sam...
Publication number
20060052318
Publication date
Mar 9, 2006
National Institute of Advanced Industrial Science
Yutaka Tokiwa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Method for degrading polylactide resins
Publication number
20050032181
Publication date
Feb 10, 2005
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
Yutaka Tokiwa
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
Biodegradable polylactide resin composition
Publication number
20040034128
Publication date
Feb 19, 2004
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
Yutaka Tokiwa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Biodegradable resin compositions
Publication number
20030079654
Publication date
May 1, 2003
Yutaka Tokiwa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...