YK

Youji Koguchi

JC Japan Oxygen Co.: 1 patents #5 of 14Top 40%
Overall (1989): #40,916 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4828594 Process for the production of glass Hiroshi Morishita, Hiroshi Namikawa, Shin-Ichi Miyake, Terukazu Imayoshi, Hitoshi Kikuchi +1 more 1989-05-09