Kazunari Akiyama

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for cutting semiconductor crystal
- Patent number 4,971,021
- Issue date Nov 20, 1990
- Mitsubishi Kinzoku Kabushiki Kaisha
- Yutaka Kubotera
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Slicing machine for cutting semiconductor material
- Patent number 4,903,437
- Issue date Feb 27, 1990
- Mitsubishi Kinzoku Kabushiki Kaisha
- Yutaka Kubotera
- B28 - WORKING CEMENT, CLAY, OR STONE