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Yukichika Kawakami
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Fukushima, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Process for producing aliphatic polyester reduced in residual cycli...
Patent number
8,658,758
Issue date
Feb 25, 2014
Kureha Corporation
Hiroyuki Sato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Glycolide production process, and glycolic acid oligomer for glycol...
Patent number
7,235,673
Issue date
Jun 26, 2007
Kureha Corporation
Kazuyuki Yamane
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyglycolic acid-based resin composition and shaped product thereof
Patent number
7,179,868
Issue date
Feb 20, 2007
Kureha Corporation
Kazuyuki Yamane
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyhydroxycarboxylic acid and its production process
Patent number
7,067,611
Issue date
Jun 27, 2006
Kureha Corporation
Kazuyuki Yamane
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of cyclic esters and method for purific...
Patent number
6,916,939
Issue date
Jul 12, 2005
Kureha Kagaku Kogyo K.K.
Kazuyuki Yamane
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Glycolide production process, and glycolic acid composition
Patent number
6,891,048
Issue date
May 10, 2005
Kureha Kagaku Kogyo K.K.
Kazuyuki Yamane
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyester production process and reactor apparatus
Patent number
6,852,827
Issue date
Feb 8, 2005
Kureha Chemical Industry Company, Limited
Kazuyuki Yamane
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Gas-barrier, multi-layer hollow container
Patent number
6,673,403
Issue date
Jan 6, 2004
Kureha Kagaku Kogyo K.K.
Zenya Shiiki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Gas-barrier composite film
Patent number
6,245,437
Issue date
Jun 12, 2001
Kureha Kagaku Kogyo K.K.
Zenya Shiiki
B32 - LAYERED PRODUCTS
Information
Patent Grant
Production process for injection-molded product of polyglycolic acid
Patent number
6,183,679
Issue date
Feb 6, 2001
Kureha Kagaku Kogyo, K.K.
Yukichika Kawakami
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Stretch blow molded container and production process thereof
Patent number
6,159,416
Issue date
Dec 12, 2000
Kureha Kagaku Kogyo, K.K.
Yukichika Kawakami
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Injection-molded product of polyglycolic acid and production proces...
Patent number
6,046,251
Issue date
Apr 4, 2000
Kureha Kagaku Kogyo K.K.
Yukichika Kawakami
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Stretch blow molded container and production process thereof
Patent number
6,001,439
Issue date
Dec 14, 1999
Kureha Kagaku Kogyo K.K.
Yukichika Kawakami
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polyglycolic acid sheet and production process thereof
Patent number
5,908,917
Issue date
Jun 1, 1999
Kureha Kagaku Kogyo K.K.
Yukichika Kawakami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Oriented polyglycolic acid film and production process thereof
Patent number
5,853,639
Issue date
Dec 29, 1998
Kureha Kagaku Kogyo K.K.
Yukichika Kawakami
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Preparation process and purification process of dimeric cyclic este...
Patent number
5,830,991
Issue date
Nov 3, 1998
Kureha Kagaku Kagyo K.K.
Zenya Shiiki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Poly(ethylene oxalate), product formed of molded therefrom and prod...
Patent number
5,688,586
Issue date
Nov 18, 1997
Kureha Kagaku Kogyo K.K.
Zenya Shiiki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Production process of alkylene thioether-arylene thioether copolymer
Patent number
5,605,987
Issue date
Feb 25, 1997
Kureha Kagaku Kogyo K.K.
Yukichika Kawakami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Composition comprising polyarylene sulfide and polyamide composition
Patent number
5,436,300
Issue date
Jul 25, 1995
Kureha Kagaku Kogyo Kabushiki Kaisha
Ken Kashiwadate
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aromatic thioether ketone/thioether sulfone copolymer products
Patent number
5,408,014
Issue date
Apr 18, 1995
Kureha Kagaku Kogyo K.K.
Yukichika Kawakami
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Aromatic thioether ketone/thioether sulfone copolymer and productio...
Patent number
5,369,191
Issue date
Nov 29, 1994
Kureha Kagaku Kogyo K.K.
Yukichika Kawakami
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Production process of arylene thioether copolymer
Patent number
5,324,814
Issue date
Jun 28, 1994
Kureha Kagaku Kogyo K.K.
Yukichika Kawakami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Granular high-melt-stable poly(arylene thioether-ketone) and produc...
Patent number
5,312,894
Issue date
May 17, 1994
Kureha Kagaku Kogyo K.K.
Yukichika Kawakami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Production processes of arylene thioether oligomer and copolymer
Patent number
5,312,880
Issue date
May 17, 1994
Kureha Kagaku Kogyo K.K.
Hiroyuki Sato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Production processes of arylene thioether oligomer and copolymer
Patent number
5,304,630
Issue date
Apr 19, 1994
Kureha Kagaku Kogyo K.K.
Hiroyuki Sato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Production processes of arylene thioether oligomer and copolymer
Patent number
5,262,517
Issue date
Nov 16, 1993
Kureha Kagaku Kogyo K.K.
Hiroyuki Sato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for production of poly(arylene thioether) copolymer
Patent number
5,256,763
Issue date
Oct 26, 1993
Kureha Kagaku Kogyo K.K.
Mitsuru Hoshino
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Easily-slidable polyarylene thioether film and process for producin...
Patent number
5,200,501
Issue date
Apr 6, 1993
Kureha Kagaku Kogyo Kabushiki Kaisha
Yukichika Kawakami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for production of polyarylenesulfides
Patent number
5,179,194
Issue date
Jan 12, 1993
Kureha Kagaku Kogyo K.K.
Yukichika Kawakami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing an easily-slidable polyarylene thioether film
Patent number
5,137,992
Issue date
Aug 11, 1992
Kureha Kagaku Kogyo Kabushiki Kaisha
Yukichika Kawakami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR PRODUCING A POLYGLYCOLIC ACID RESIN-BASED MULTILAYER SHEET
Publication number
20100215858
Publication date
Aug 26, 2010
Kureha Corporation
Kazuyuki YAMANE
B32 - LAYERED PRODUCTS
Information
Patent Application
Multilayered Polyglycolic-Acid-Resin Sheet
Publication number
20080107847
Publication date
May 8, 2008
Kazuyuki Yamane
B32 - LAYERED PRODUCTS
Information
Patent Application
Process for Producing Aliphatic Polyester Reduced in Residual Cycli...
Publication number
20070244293
Publication date
Oct 18, 2007
Hiroyuki Sato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for producing thermoplastic resin molding
Publication number
20070057395
Publication date
Mar 15, 2007
Kazuyuki Yamane
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
Polyglycolic acid-based resin composition and shaped product thereof
Publication number
20060100392
Publication date
May 11, 2006
Kazuyuki Yamane
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Container of biodegradable heat-resistant hard resin molding
Publication number
20050221032
Publication date
Oct 6, 2005
Kazuyuki Yamane
B32 - LAYERED PRODUCTS
Information
Patent Application
Controlled release formulations using intelligent polymers
Publication number
20050214368
Publication date
Sep 29, 2005
Yukichika Kawakami
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Method of heat-treating packaged product and heat-treated packaged...
Publication number
20050106346
Publication date
May 19, 2005
Kazuyuki Yamane
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
Polyester production process and reactor apparatus
Publication number
20040230026
Publication date
Nov 18, 2004
Kazuyuki Yamane
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polyhydroxycarboxylic acid and its production process
Publication number
20040192881
Publication date
Sep 30, 2004
Kazuyuki Yamane
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Glycolide production process, and glycolic acid oligomer for glycol...
Publication number
20040122240
Publication date
Jun 24, 2004
Kazuyuki Yamane
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Glycolide production process, and glycolic acid composition
Publication number
20040087805
Publication date
May 6, 2004
Kazuyuki Yamane
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for the preparation of cyclic esters and method for purific...
Publication number
20030191326
Publication date
Oct 9, 2003
Kazuyuki Yamane
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...