Inventor

HIROKI NOBUYOSHI

3 patents

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

SUMITOMO METAL IND

2 patents

US4570909AFeb 18, 1986

Lining apparatus provided with a foldable spray pipe

SUMITOMO METAL IND9 citations66

US4290802ASep 22, 1981

Steel making process

SUMITOMO METAL IND5 citations58

SHINAGAWA REFRACTORIES CO

1 patent

US4390166AJun 28, 1983

Hot-gunning method for repairing converters

SHINAGAWA REFRACTORIES CO4 citations52