Masaaki Iwakura

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Kurobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Resin-composite aluminum profiles, heat insulating aluminum profile...
- Patent number 6,500,550
- Issue date Dec 31, 2002
- YKK Corporation
- Masatake Tsuboi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Resin-composite aluminum profiles and apparatus for production thereof
- Patent number 6,143,372
- Issue date Nov 7, 2000
- YKK Corporation
- Masatake Tsuboi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL