Inventor · disambiguated record
Fumio Ohtsuki
Also filed as: OHTSUKI FUMIO
2 granted patents·140 citations·filing 1993–1996
70Inventor score
Technology areasG02B
Files withSUMITOMO ELECTRIC INDUSTRIES2
Top patents by PatentIndex Score
2 records- 0188US5506674AMethod for identifying an optical fiber using a pattern of reflected lightSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Apr 9, 1996·71 cites·21 claims
- 0285US5671308AOptical waveguide having diffraction grating area and method of fabricating the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Sep 23, 1997·69 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →