Assignee
SHOWA VERMICULITE KK
2 granted patents·61 citations·filing 1976–1977
Top patents by PatentIndex Score
2 records- 0181US4078028AMethod for manufacture of noncombustible, smokeless building composite materialSHOWA VERMICULITE KK·Filed 1976·Granted Mar 7, 1978·34 cites·12 claims
- 0276US4122231ANoncombustible, smokeless building composite material and its method of manufactureSHOWA VERMICULITE KK·Filed 1977·Granted Oct 24, 1978·27 cites·12 claims
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