Inventor · disambiguated record
Takuo Hiratani
Also filed as: Hiratani Takuo
8 granted patents·9 pending applications·1 citations·filing 2019–2025
72Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES17
Top patents by PatentIndex Score
17 records- 0183US11527866B2Semiconductor optical deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Dec 13, 2022·1 cites·9 claims
- 0278US2023275400A1Semiconductor optical device and method for producing semiconductor optical deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2023·Application pending·0 cites
- 0371US11735888B2Semiconductor optical device and method for producing semiconductor optical deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Aug 22, 2023·0 cites·9 claims
- 0466US11777274B2Semiconductor optical device and method for manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Oct 3, 2023·0 cites·11 claims
- 0561US2025125573A1Optical filter and wavelength tunable laser elementSUMITOMO ELECTRIC INDUSTRIES·Filed 2024·Application pending·0 cites
- 0660US2025253621A1Semiconductor optical device and method of manufacturing semiconductor optical deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2025·Application pending·0 cites
- 0760US2025253614A1Semiconductor optical device and method of manufacturing semiconductor optical deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2025·Application pending·0 cites
- 0859US12158609B2Semiconductor optical device and method for manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Dec 3, 2024·0 cites·8 claims
- 0958US2025208362A1Optical semiconductor element and method of manufacturing optical semiconductor elementSUMITOMO ELECTRIC INDUSTRIES·Filed 2024·Application pending·0 cites
- 1057US12197003B2Optical filter and wavelength tunable laser elementSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Jan 14, 2025·0 cites·7 claims
- 1156US2024418938A1Optical filterSUMITOMO ELECTRIC INDUSTRIES·Filed 2024·Application pending·0 cites
- 1252US2021126424A1Semiconductor laser diode and method for producing semiconductor laser diodeSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Application pending·0 cites
- 1350US11393945B2Optical semiconductor device and method for manufacturing optical semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Jul 19, 2022·0 cites·7 claims
- 1450US2021143609A1Semiconductor optical device and method for producing semiconductor optical deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Application pending·0 cites
- 1550US2022247155A1Semiconductor optical device and method for manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Application pending·0 cites
- 1648US10725241B2Asymmetrical spot-size converter and method of manufacturing spot-size converterSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Jul 28, 2020·0 cites·6 claims
- 1745US10969543B2Semiconductor integrated optical device, and method of fabricating semiconductor integrated optical deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Apr 6, 2021·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →