Inventor · disambiguated record
Shotaro Hirata
Also filed as: Hirata Shotaro
3 granted patents·5 pending applications·3 citations·filing 2021–2024
51Inventor score
Files withSUMITOMO OSAKA CEMENT CO LTD8
Top patents by PatentIndex Score
8 records- 0191US11977284B2Optical waveguide device, manufacturing method of optical modulation element, optical modulator, optical modulation module, and optical transmission apparatusSUMITOMO OSAKA CEMENT CO LTD·Filed 2022·Granted May 7, 2024·3 cites·14 claims
- 0256US2025208448A1Optical Waveguide Device, Optical Modulation Device and Optical Transmission Apparatus Using Same, and Method for Manufacturing Optical Waveguide DeviceSUMITOMO OSAKA CEMENT CO LTD·Filed 2024·Application pending·0 cites
- 0355US12422628B2Optical waveguide element, and optical modulation device and optical transmission apparatus using sameSUMITOMO OSAKA CEMENT CO LTD·Filed 2021·Granted Sep 23, 2025·0 cites·7 claims
- 0452US2024255784A1Optical Waveguide Device, and Optical Modulation Device and Optical Transmission Apparatus Using SameSUMITOMO OSAKA CEMENT CO LTD·Filed 2023·Application pending·0 cites
- 0550US12332534B2Optical waveguide device, optical modulator, optical modulation module, and optical transmission apparatusSUMITOMO OSAKA CEMENT CO LTD·Filed 2022·Granted Jun 17, 2025·0 cites·21 claims
- 0646US2024255827A1Optical Waveguide Device, and Optical Modulation Device and Optical Transmission Apparatus Using SameSUMITOMO OSAKA CEMENT CO LTD·Filed 2023·Application pending·0 cites
- 0742US2025224632A1Optical waveguide device, and optical modulation device and optical transmission apparatus using sameSUMITOMO OSAKA CEMENT CO LTD·Filed 2022·Application pending·0 cites
- 0841US2025328036A1Optical Modulator and Optical Transmission Device Using SameSUMITOMO OSAKA CEMENT CO LTD·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →