NM

Norifumi Matsumiya

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Overall (All Time): #1,666,427 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4892099 Catheter Shin-ichi Ohkawa, Koichi Tsuno, Jun-ichi Hiramoto 1990-01-09
4828359 Alkyl methacrylate homo - or copolymer optical waveguide for illumination and production of the same Yoshinobu Ueba 1989-05-09
4568146 Plastic optical fiber and production thereof Yoshinobu Ueba 1986-02-04