YH

Yoshimichi Hara

NC Nippon Tungsten Co.: 1 patents #1 of 6Top 20%
Overall (1982): #22,228 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4356272 Sintered bodies Al.sub.2 O.sub.3 -TiC-TiO.sub.2 continuing yttrium (y) Yutaka Kanemitsu, Takehiko Hagio, Mitsuhiko Furukawa, Michito Miyahara, Takashi Kitahira 1982-10-26