Inventor · disambiguated record
Yasuji Hattori
Also filed as: HATTORI YASUJI
5 granted patents·218 citations·filing 1987–1996
84Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES5
Top patents by PatentIndex Score
5 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
- 0383US4882497AMethod and apparatus of measuring outer diameter and structure of optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1987·Granted Nov 21, 1989·42 cites·16 claims
- 0463US5381261AOptical isolatorSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Jan 10, 1995·28 cites·1 claims
- 0539US5265179AMethod of manufacturing fiber-optic collimatorsSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted Nov 23, 1993·8 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →