Inventor
FUNABIKI KYOHEI
8 patents
⚠️ This page may combine multiple inventors who share the name “FUNABIKI KYOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO DUREZ CO
7 patentsUS4252700AFeb 24, 1981
Resin binder for foundry sand cores and molds
SUMITOMO DUREZ CO34 citations91
US4051098ASep 27, 1977
Method of preparing shaped active carbon
SUMITOMO DUREZ CO39 citations88
US4072531AFeb 7, 1978
Plugging compositions for blast furnace tap holes
SUMITOMO DUREZ CO28 citations81
US4157993AJun 12, 1979
Resin-coated sand compositions
SUMITOMO DUREZ CO26 citations80
US4290928ASep 22, 1981
Binder for dry hot coat foundry process
SUMITOMO DUREZ CO11 citations70
US4196114AApr 1, 1980
Process for producing resin-coated foundry sand
SUMITOMO DUREZ CO15 citations70
US4066588AJan 3, 1978
Cold-curing binder for foundry sand cores and molds
SUMITOMO DUREZ CO5 citations57