Inventor
NAGAO MASAMI
5 patents
⚠️ This page may combine multiple inventors who share the name “NAGAO MASAMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKISUI CHEMICAL CO LTD
4 patentsUS4013476AMar 22, 1977
Non-combustible molding material
SEIKISUI CHEMICAL CO LTD4 citations59
US3988402AOct 26, 1976
Non-combustible molding material
SEIKISUI CHEMICAL CO LTD3 citations59
US3978180AAug 31, 1976
Method of producing a non-combustible molding material
SEIKISUI CHEMICAL CO LTD3 citations59
US3945840AMar 23, 1976
Non-combustible molding material
SEIKISUI CHEMICAL CO LTD2 citations59