Inventor

KIRITANI YOSHIO

4 patents

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

SUMIKIN COKE CO LTD

2 patents

US4178215ADec 11, 1979

Method of manufacturing blast furnace coke

SUMIKIN COKE CO LTD15 citations69

US4100031AJul 11, 1978

Process for preparing blast furnace cokes

SUMIKIN COKE CO LTD9 citations69

KUREHA CHEMICAL IND CO LTD

1 patent

US4135983AJan 23, 1979

Method for improving coking property of coal for use in production of cokes

KUREHA CHEMICAL IND CO LTD14 citations70

SUMITOMO METAL IND

1 patent

US4073625AFeb 14, 1978

Process for preparing briquettes

SUMITOMO METAL IND11 citations70