Kazunori Umeda

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Tsukuba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Oxide type solid lubricant
- Patent number 5,470,494
- Issue date Nov 28, 1995
- Agency of Industrial Science and Technology
- Kazunori Umeda
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Oxide type solid lubricant containing Cr.sub.2 O.sub.3 and Na.sub.2...
- Patent number 5,100,848
- Issue date Mar 31, 1992
- Agency of Industrial Science and Technology
- Yuji Enomoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES