RK

Ryutaro Kawamata

NS Nippon Steel: 2 patents #8 of 216Top 4%
📍 Futtsu, JP: #4 of 19 inventorsTop 25%
Overall (2002): #43,308 of 266,432Top 20%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6478892 Low iron loss non-oriented electrical steel sheet excellent in workability and method for producing the same Ken Murakami, Takashi Morohoshi, Tomoji Kumano, Takeshi Kubota, Masafumi Zeze +2 more 2002-11-12
6425962 Non-oriented electrical steel sheet excellent in permeability and method of producing the same Yoshihiro Arita, Shinichi Kanao, Kazufumi Hanzawa, Takeshi Kubota, Kenichi Murakami 2002-07-30