Inventor · disambiguated record
Norifumi Matsumiya
Also filed as: MATSUMIYA NORIFUMI
3 granted patents·126 citations·filing 1983–1988
76Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES3
Top patents by PatentIndex Score
3 records- 0171US4828359AAlkyl methacrylate homo - or copolymer optical waveguide for illumination and production of the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1986·Granted May 9, 1989·30 cites·10 claims
- 0268US4568146APlastic optical fiber and production thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 1983·Granted Feb 4, 1986·23 cites·14 claims
- 0361US4892099ACatheterSUMITOMO ELECTRIC INDUSTRIES·Filed 1988·Granted Jan 9, 1990·73 cites·7 claims
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