Inventor
KUMAGAI YASUSHI
JP5 patents
⚠️ This page may combine multiple inventors who share the name “KUMAGAI YASUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANYO CHEMICAL IND LTD
3 patentsUS6673415B1Jan 6, 2004
Honeycomb core material for sandwich structure and method for manufacturing the same
SANYO CHEMICAL IND LTD74 citations95
US6455606B1Sep 24, 2002
Polyurethane foam, process for producing the same, and foam forming composition
SANYO CHEMICAL IND LTD64 citations93
US5401785AMar 28, 1995
Foamed polyurethane-forming composition, foamed polyurethane and process making the same
SANYO CHEMICAL IND LTD52 citations87