Inventor

HARAKAWA MASAJI

JP3 patents

Patents

3 patents

US5224970AJul 6, 1993

Abrasive material

SUMITOMO CHEMICAL CO101 citations94

US5002750AMar 26, 1991

Process for producing alumina-based fiber

SUMITOMO CHEMICAL CO10 citations67

US4495121AJan 22, 1985

Process for producing inorganic fiber

SUMITOMO CHEMICAL CO5 citations60