RY

Ryozo Yamane

IC Idemitsu Kosan Co.: 1 patents #13 of 55Top 25%
📍 Funabashi, JP: #27 of 86 inventorsTop 35%
Overall (1989): #59,698 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4800013 Refrigerator oil composition Takashi Kurihara, Hiroshi Kaise, Takeo Komatsubara, Takashi Sunaga 1989-01-24