Shigeo Kobayashi

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Blasting machining apparatus using abrasive particles like powder
- Patent number 5,443,412
- Issue date Aug 22, 1995
- Sony Corpoation
- Takashi Yoshikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Blasting apparatus using mixture gas and powder
- Patent number 5,323,561
- Issue date Jun 28, 1994
- Sony Corporation
- Takashi Yoshikawa
- B24 - GRINDING POLISHING