Inventor · disambiguated record
Tsutaru Kumagai
Also filed as: KUMAGAI Tsutaru
2 granted patents·4 pending applications·4 citations·filing 2020–2023
45Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES6
Top patents by PatentIndex Score
6 records- 0192US11782222B2Optical fiber connection component and optical fiber connection structureSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Oct 10, 2023·4 cites·14 claims
- 0274US12158619B2Optical fiber connection component and optical fiber connection structureSUMITOMO ELECTRIC INDUSTRIES·Filed 2023·Granted Dec 3, 2024·0 cites·5 claims
- 0361US2025052947A1Bent optical fiber, method for manufacturing bent optical fiber, and optical connection componentSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Application pending·0 cites
- 0448US2023375792A1Optical connection structureSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Application pending·0 cites
- 0544US2022308295A1Optical path conversion component-equipped circuit board and wiring module to be mounted on circuit boardSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Application pending·0 cites
- 0642US2024248269A1Optical wiring component, optical device, and method of assembling optical deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →