Inventor

WAKASA TSUTOMU

JP4 patents

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

NIPPON STEEL CORP

2 patents

US6875716B2Apr 5, 2005

Carbonaceous refractory and method for preparing the same

NIPPON STEEL CORP4 citations58

US5576254ANov 19, 1996

Carbon refractory for blast furnace and method for manufacturing such carbon refractory

NIPPON STEEL CORP4 citations55

INOUE HIROYUKI

1 patent

US8889062B2Nov 18, 2014

Carbonaceous refractory and method of production of same and also blast furnace bottom or side walls

INOUE HIROYUKI2 citations58

NIPPON ELECTRODE COMPANY LTD

1 patent

US7300560B2Nov 27, 2007

Cathode block for aluminum refining and method for production thereof

NIPPON ELECTRODE COMPANY LTD0 citations41