Takayuki Ono

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Hirakata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing substrate member for magnetic recording disc
- Patent number 4,816,128
- Issue date Mar 28, 1989
- Sumitomo Special Metals Co., Ltd.
- Toshiaki Wada
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...