HM

Hironaga Matsubara

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
Overall (All Time): #1,059,389 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5256482 Cross-linked polyethylene insulated cables Shosuke Yamanouchi, Sadao Fukunaga 1993-10-26
5124206 Electrically insulated cable Shosuke Yamanouchi, Yoshiyuki Inoue, Katsuhiro Hosoe 1992-06-23
4795656 Cluster ion plating method for producing electrically conductive carbon film Akira Mizoguchi, Jun Shioya, Yoichi Yamaguchi, Yoshinobu Ueba 1989-01-03
4645713 Method for forming conductive graphite film and film formed thereby Jun Shioya, Yoichi Yamaguchi, Yoshinobu Ueba 1987-02-24
4191675 Fire spreading inhibitor composition Yutaka Inagaki, Kojiro Ishise 1980-03-04