Toshiro Hirohata

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tubular object manufacturing method
- Patent number 6,090,326
- Issue date Jul 18, 2000
- Sumitomo Electric Industries, Ltd.
- Toshiro Hirohata
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL