P

Inventor

KATSUKI KORETOSHI

JP4 patents
⚠️ This page may combine multiple inventors who share the name “KATSUKI KORETOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HUMAN IND CORP

3 patents
US4988271AJan 29, 1991

Apparatus for producing polyurethane foam

HUMAN IND CORP19 citations70
US4610922ASep 9, 1986

Asphalt impregnated foam and method of producing the same

HUMAN IND CORP3 citations60
US5079276AJan 7, 1992

Method of manufacturing polyurethane foam

HUMAN IND CORP6 citations57

TOYO CHEMICAL INDUSTRY CO LTD

1 patent
US4810298AMar 7, 1989

Manufacturing method of asphalt foam

TOYO CHEMICAL INDUSTRY CO LTD5 citations54