TN

Takashi Nakao

OC Osaka Gas Co.: 1 patents #4 of 33Top 15%
📍 Tokyo, NY: #14 of 24 inventorsTop 60%
Overall (1989): #52,754 of 140,708Top 40%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4869928 Inner surface coating method and device for piping Harumichi Kurumatani, Kazunori Nakano, Akira Kojima 1989-09-26