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Akira Ohkubo
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Sendai, JP
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last 30 patents
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Patent Grant
Titanium-containing silicon nitride film bodies and a method of pro...
Patent number
4,469,801
Issue date
Sep 4, 1984
Hirai; Toshio
Toshio Hirai
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...