KS

Kazuo Sawada

Sumitomo Electric Industries: 4 patents #31 of 1,127Top 3%
Overall (1989): #4,648 of 140,708Top 4%
4
Patents 1989

Issued Patents 1989

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4859811 Electrical conductor Masanobu Nishio, Yoshihiro Nakai 1989-08-22
4842366 Ceramic superconductor and light transmitting composite wire Hajime Hitotsuyanagi, Kengo Ohkura 1989-06-27
4815309 Method of producing an electrical conductor Masanobu Nishio, Yoshihiro Nakai 1989-03-28
4804153 Method and apparatus for withdrawing long-sized objects Masanobu Nishio, Kazuhisa Yamauchi, Saburo Yosimura 1989-02-14