Susumu Aoyama

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for producing magnetic diskette
- Patent number 5,085,723
- Issue date Feb 4, 1992
- Hitachi Setsubi Engineering Co., Ltd.
- Masao Nakaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL