RN

Ryuji Ninomiya

MC Mitsui Mining & Smelting Co.: 1 patents #28 of 72Top 40%
Nissan Motor Co.: 1 patents #161 of 421Top 40%
Overall (2003): #125,848 of 273,478Top 50%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6531003 Abrasion resistant copper alloy, copper alloy powder for build-up cladding, and engine cylinder head Takeshi Ojiro, Koichi Miyake, Makoto Kano, Kenji Tsushima, Hidenobu Matsuyama +1 more 2003-03-11