RT

Ryoji Takekoshi

NT NTT: 1 patents #2,911 of 4,871Top 60%
Overall (All Time): #3,959,949 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4774105 Heavy duty anticorrosion treatment of metal articles Hisayoshi Takazawa, Yuzo Matsudaira, Yoshio Nakakoshi, Senkichi Nakakoshi 1988-09-27