Hiroshi Obana

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for making diamond and apparatus therefor
- Patent number 5,070,274
- Issue date Dec 3, 1991
- Onoda Cement Company, Ltd.
- Masanori Yoshikawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...