EY

Eiji Yamada

IK Ishihara Sangyo Kaisha: 1 patents #10 of 30Top 35%
Overall (1989): #117,305 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4880703 Acicular electroconductive titanium oxide and process for producing same Masashi Sakamoto, Haruo Okuda, Hideo Takahashi 1989-11-14