Keisuke Iwashita

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Toyama-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ultrasonic welding method and apparatus for welding reinforcing tap...
- Patent number 6,749,703
- Issue date Jun 15, 2004
- YKK Corporation
- Keisuke Iwashita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Ultrasonic adhering method and apparatus
- Patent number 6,544,364
- Issue date Apr 8, 2003
- YKK Corporation
- Hideji Maeda
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Ultrasonic welding method and apparatus for welding reinforcing tap...
- Publication number 20030121589
- Publication date Jul 3, 2003
- YKK Corporation
- Keisuke Iwashita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Ultrasonic adhering method and apparatus
- Publication number 20010004913
- Publication date Jun 28, 2001
- YKK Corporation
- Hideji Maeda
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL