Osamu Masuno

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for recycling sand
- Patent number 5,618,223
- Issue date Apr 8, 1997
- Sintokogio, Ltd.
- Osamu Masuno
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Device for cleaning adhering material off of sand
- Patent number 5,507,715
- Issue date Apr 16, 1996
- Sintokogio, Ltd.
- Osamu Masuno
- B22 - CASTING POWDER METALLURGY