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Tomoya Igarashi
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Hiratsuka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of producing a plastic container closure
Patent number
5,980,806
Issue date
Nov 9, 1999
Japan Crown Cork Co., Ltd.
Hidehiko Ohmi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Plastic container closure with high sealing precision
Patent number
5,769,255
Issue date
Jun 23, 1998
Japan Crown Cork Co., Ltd.
Hidehiko Ohmi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Container closure with a plastic liner having projections extending...
Patent number
5,673,809
Issue date
Oct 7, 1997
Japan Crown Cork Co., Ltd.
Hidehiko Ohmi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Plastic closure with structural thread formation
Patent number
5,542,556
Issue date
Aug 6, 1996
Japan Crown Cork Co., Ltd.
Hidehiko Ohmi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL