Toyokazu Yamada

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Multilayer composites and easily openable containers
- Patent number 5,281,453
- Issue date Jan 25, 1994
- Idemitsu Petrochemical Co., Ltd.
- Toyokazu Yamada
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method for recovering scraps of multi-layer plastic sheet or film
- Patent number 5,194,109
- Issue date Mar 16, 1993
- Idemitsu Petrochemical Co., Ltd.
- Toyokazu Yamada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of producing an easily openable multilayer plastic container
- Patent number 5,167,900
- Issue date Dec 1, 1992
- Idemitsu Petrochemical Co., Ltd.
- Hiroshi Odaka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Multilayer plastics containers and methods of producing the same
- Patent number 5,165,974
- Issue date Nov 24, 1992
- Idemitsu Petrochemical Co., Ltd.
- Hiroshi Odaka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Multilayer structure and easily openable container and lid
- Patent number 5,061,532
- Issue date Oct 29, 1991
- Idemitsu Petrochemical, Co., Ltd.
- Toyokazu Yamada
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Multilayer structure and easily openable container and lid
- Patent number 4,970,113
- Issue date Nov 13, 1990
- Idemitsu Petrochemical Co., Ltd.
- Toyokazu Yamada
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Laminated materials and laminated articles
- Patent number 4,960,648
- Issue date Oct 2, 1990
- Idemitsu Petrochemical Company Limited
- Toyokazu Yamada
- B32 - LAYERED PRODUCTS
Information Patent Grant
Method of manufacturing multi-layer resin material
- Patent number 4,917,851
- Issue date Apr 17, 1990
- Idemitsu Petrochemical Co., Ltd.
- Toyokazu Yamada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Thermoforming resin laminate sheet
- Patent number 4,842,951
- Issue date Jun 27, 1989
- Idemitsu Petrochemical Company Limited
- Toyokazu Yamada
- B32 - LAYERED PRODUCTS

Toyokazu Yamada

Person

Patents Grantslast 30 patents

Multilayer composites and easily openable containers

Method for recovering scraps of multi-layer plastic sheet or film

Method of producing an easily openable multilayer plastic container

Multilayer plastics containers and methods of producing the same

Multilayer structure and easily openable container and lid

Multilayer structure and easily openable container and lid

Laminated materials and laminated articles

Method of manufacturing multi-layer resin material

Thermoforming resin laminate sheet