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Yoshitsugu Maruhashi
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Oxygen-absorbing resin composition and packaging container, packagi...
Patent number
6,964,796
Issue date
Nov 15, 2005
Toyo Seikan Kaisha, Ltd.
Masayasu Koyama
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Plastic bottle and method of producing the same
Patent number
6,716,386
Issue date
Apr 6, 2004
Toyo Seikan Kaisha, Ltd.
Go Saito
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Plastic bottle and method of producing the same
Patent number
6,349,838
Issue date
Feb 26, 2002
Toyo Seikan Kaisha, Ltd.
Go Saito
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Laminate and container made of the same
Patent number
6,099,924
Issue date
Aug 8, 2000
Toyo Seikan Daisha, Ltd.
Kenichirou Nakamaki
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Heat-resistance pressure-resistance and self standing container and...
Patent number
6,090,334
Issue date
Jul 18, 2000
Toyo Seikan Kaisha, Ltd.
Kenji Matsuno
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Flavor-retaining plastic multi-layer container
Patent number
6,042,906
Issue date
Mar 28, 2000
Toyo Seikan Kaisha, Ltd.
Takurou Itoh
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Heat-resistant pressure-resistant and self standing container and m...
Patent number
5,906,286
Issue date
May 25, 1999
Toyo Seikan Kaisha, Ltd.
Kenji Matsuno
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of preventing a container from becoming colored by the conta...
Patent number
5,876,814
Issue date
Mar 2, 1999
Toyo Seikan Kaisha, Ltd.
Yasuhiro Oda
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Packaging material having excellent flavor retention
Patent number
5,798,183
Issue date
Aug 25, 1998
Toyo Seikan Kaisha, Ltd.
Hiroko Hosono
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Plastic bottle and process for making the same
Patent number
5,788,926
Issue date
Aug 4, 1998
Toyo Seikan Kaisha, Ltd.
Yasuhiro Oda
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Resin composition having improved mechanical properties and bio-dis...
Patent number
5,747,633
Issue date
May 5, 1998
Toyo Seikan Kaisha, Ltd.
Takurou Ito
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Biaxially-stretch-blow-molded container having excellent heat resis...
Patent number
5,735,420
Issue date
Apr 7, 1998
Toyo Seikan Kaisha, Ltd.
Setsuko Nakamaki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for producing biaxially drawn plastic bottles having excell...
Patent number
5,611,987
Issue date
Mar 18, 1997
Toyo Seikan Kaisha, Ltd.
Nobuyuki Kato
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Biaxially-stretch-blow-molded container having excellent heat resis...
Patent number
5,585,065
Issue date
Dec 17, 1996
Toyo Seikan Kaisha, Ltd.
Setsuko Nakamaki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Frosted plastic container and process for producing the same
Patent number
5,436,043
Issue date
Jul 25, 1995
Toyo Seikan Kaisha, Ltd.
Yasushi Hatano
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Stretched molded structure and a process for its production
Patent number
5,409,750
Issue date
Apr 25, 1995
Toyo Seikan Kaisha, Ltd.
Yorihisa Hamada
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
High-drawn and blow-molded polyester bottle
Patent number
5,398,826
Issue date
Mar 21, 1995
Toyo Seikan Kaisha, Ltd.
Nobuyuki Takakusaki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polyester vessel for drink and process for preparation thereof
Patent number
5,250,335
Issue date
Oct 5, 1993
Toyo Seikan Kaisha, Ltd.
Yoshitsugu Maruhashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of heating thermoplastic bottle or preform and method of con...
Patent number
5,180,893
Issue date
Jan 19, 1993
Toyo Seikan Kaisha Ltd.
Ikuo Sugiyama
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of preparing an antibacterial polymer and its application
Patent number
5,137,957
Issue date
Aug 11, 1992
Toyo Seikan Kaisha, Ltd.
Tamio Asai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of heating thermoplastic bottle of preform and method of con...
Patent number
5,032,700
Issue date
Jul 16, 1991
Toyo Seikan Kaisha, Ltd.
Ikuo Sugiyama
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Multilayer plastic container
Patent number
4,919,984
Issue date
Apr 24, 1990
Toyo Seikan Kaisha, Ltd.
Yoshitsugu Maruhashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Coated styrene resin container and process for production thereof
Patent number
4,919,985
Issue date
Apr 24, 1990
Toyo Seikan Kaisha, Ltd.
Tamio Asai
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Process for blow-molding and heat setting of polyester hollow forme...
Patent number
4,913,945
Issue date
Apr 3, 1990
Toyo Seikan Kaisha, Ltd.
Yoshitsugu Maruhashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for blow-molding and heat setting of polyester hollow forme...
Patent number
4,803,036
Issue date
Feb 7, 1989
Toyo Seikan Kaisha, Ltd.
Yoshitsugu Maruhashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Plastic vessel having oriented coating and process for preparation...
Patent number
4,714,580
Issue date
Dec 22, 1987
Toyo Seikan Kaisha, Ltd.
Yoshitsugu Maruhashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for preparation of coated oriented plastic container
Patent number
4,699,809
Issue date
Oct 13, 1987
Toyo Seikan Kaisha, Ltd.
Yoshitsugu Maruhashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Films, sheets, laminates and molded articles having gas barrier pro...
Patent number
4,562,118
Issue date
Dec 31, 1985
Toyo Seikan Kaisha, Ltd.
Yoshitsugu Maruhashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Composite vessel excellent in preservability and process for prepar...
Patent number
4,551,366
Issue date
Nov 5, 1985
Toyo Seikan Kaisha, Ltd.
Yoshitsugu Maruhashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Resin composition excellent in drawability
Patent number
4,500,677
Issue date
Feb 19, 1985
Toyo Seikan Kaisha, Ltd.
Yoshitsugu Maruhashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Oxygen-absorbing resin composition and packaging container, packagi...
Publication number
20050079306
Publication date
Apr 14, 2005
TOYO SEIKAN KAISHA, LTD
Masayasu Koyama
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
Plastic bottle and method of producing the same
Publication number
20020088767
Publication date
Jul 11, 2002
TOYO SEIKAN KAISHA, LTD
Go Saito
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL