Tetsuo Takeuchi

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Ohmiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Injection molding method for making a switch
- Patent number 4,499,662
- Issue date Feb 19, 1985
- Sony Corporation
- Tetsuo Takeuchi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL