YY

Yoshiyuki Yamagami

NC Nippon Electrode Co.: 1 patents #1 of 6Top 20%
NS Nippon Steel: 1 patents #19 of 180Top 15%
Overall (2005): #69,736 of 245,428Top 30%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6875716 Carbonaceous refractory and method for preparing the same Akio Ishii, Hitoshi Nakamura, Michio Nitta, Tsutomu Wakasa, Hirofumi Mikami 2005-04-05