Inventor

MARUKAWA KATSUKIYO

6 patents

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

SUMITOMO METAL IND

4 patents

US4389246AJun 21, 1983

Gasification process of solid carbonaceous material

SUMITOMO METAL IND26 citations79

US4019562AApr 26, 1977

Automatic molding apparatus with means for controlling pouring rate

SUMITOMO METAL IND11 citations71

US4280838AJul 28, 1981

Production of carbon steel and low-alloy steel with bottom blowing basic oxygen furnace

SUMITOMO METAL IND16 citations70

US4292073ASep 29, 1981

Steel making process

SUMITOMO METAL IND2 citations59

TOKUYAMA SODA KK

1 patent

US4225565ASep 30, 1980

Process for treating waste slags

TOKUYAMA SODA KK8 citations68

(unassigned)

1 patent

US6435385B1Aug 20, 2002

Immersion nozzle

7 citations58