SK

Seikichi Kitabatake

IC Idemitsu Kosan Co.: 1 patents #56 of 164Top 35%
NS Nippon Steel: 1 patents #170 of 435Top 40%
Overall (2022): #267,104 of 548,613Top 50%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11214751 Metalworking oil composition and metalworking method Naoki Nagase, Hideo Sugii, Keiji Noma, Isao Noguchi, Takeshi Kubota +2 more 2022-01-04