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Takashi Ishiwatari
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Conveyor device
Patent number
6,688,508
Issue date
Feb 10, 2004
Kabushiki Kaisha Bridgestone
Takashi Ishiwatari
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Positive displacement extrusion of viscous material
Patent number
6,641,766
Issue date
Nov 4, 2003
Bridgestone Corporation
Takashi Ishiwatari
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Patent Grant
Method and apparatus for attaching belt-shaped member to forming drum
Patent number
5,175,930
Issue date
Jan 5, 1993
Bridgestone Corporation
Koji Okuyama
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Conveyor device
Publication number
20030062247
Publication date
Apr 3, 2003
KABUSHIKI KAISHA BRIDGESTONE
Takashi Ishiwatari
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL