Inventor · disambiguated record
Kosuke Okahashi
Also filed as: OKAHASHI Kosuke
8 granted patents·12 pending applications·7 citations·filing 2019–2024
75Inventor score
Files withSUMITOMO OSAKA CEMENT CO LTD20
Top patents by PatentIndex Score
20 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
- 0289US11940708B2Optical modulatorSUMITOMO OSAKA CEMENT CO LTD·Filed 2019·Granted Mar 26, 2024·4 cites·5 claims
- 0358US12130536B2Optical modulatorSUMITOMO OSAKA CEMENT CO LTD·Filed 2019·Granted Oct 29, 2024·0 cites·4 claims
- 0456US12265310B2Optical waveguide device, optical modulator, optical modulation module, and optical transmission apparatusSUMITOMO OSAKA CEMENT CO LTD·Filed 2022·Granted Apr 1, 2025·0 cites·11 claims
- 0556US2024255783A1Optical Waveguide Device, and Optical Modulation Device and Optical Transmission Apparatus Using SameSUMITOMO OSAKA CEMENT CO LTD·Filed 2023·Application pending·0 cites
- 0655US2025102840A1Optical Waveguide Device, and Optical Modulation Device and Optical Transmission Apparatus Using SameSUMITOMO OSAKA CEMENT CO LTD·Filed 2024·Application pending·0 cites
- 0752US2024255784A1Optical Waveguide Device, and Optical Modulation Device and Optical Transmission Apparatus Using SameSUMITOMO OSAKA CEMENT CO LTD·Filed 2023·Application pending·0 cites
- 0851US12092910B2Optical modulatorSUMITOMO OSAKA CEMENT CO LTD·Filed 2019·Granted Sep 17, 2024·0 cites·13 claims
- 0950US12332534B2Optical 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
- 1050US12204185B2Optical waveguide element and optical modulatorSUMITOMO OSAKA CEMENT CO LTD·Filed 2020·Granted Jan 21, 2025·0 cites·10 claims
- 1149US12372817B2Optical waveguide element, and optical modulation device and optical transmission device using sameSUMITOMO OSAKA CEMENT CO LTD·Filed 2020·Granted Jul 29, 2025·0 cites·6 claims
- 1248US2025231434A1Optical waveguide device, and optical modulation device and optical transmission apparatus using sameSUMITOMO OSAKA CEMENT CO LTD·Filed 2022·Application pending·0 cites
- 1346US2025013085A1Optical waveguide device, and optical modulation device and optical transmission apparatus using sameSUMITOMO OSAKA CEMENT CO LTD·Filed 2022·Application pending·0 cites
- 1445US2023367169A1Optical waveguide element, optical modulator, optical modulation module, and optical transmission deviceSUMITOMO OSAKA CEMENT CO LTD·Filed 2022·Application pending·0 cites
- 1545US2024255785A1Optical waveguide device, and optical modulation device and optical transmission apparatus using sameSUMITOMO OSAKA CEMENT CO LTD·Filed 2022·Application pending·0 cites
- 1644US2024241396A1Optical waveguide device, and optical transmission apparatus and optical modulation device using sameSUMITOMO OSAKA CEMENT CO LTD·Filed 2021·Application pending·0 cites
- 1743US2024210784A1Optical waveguide element, optical modulator, and optical transmission deviceSUMITOMO OSAKA CEMENT CO LTD·Filed 2023·Application pending·0 cites
- 1843US2024231002A1Optical waveguide element, and optical transmission apparatus and optical modulation device using sameSUMITOMO OSAKA CEMENT CO LTD·Filed 2021·Application pending·0 cites
- 1942US2025224632A1Optical waveguide device, and optical modulation device and optical transmission apparatus using sameSUMITOMO OSAKA CEMENT CO LTD·Filed 2022·Application pending·0 cites
- 2041US2025328036A1Optical 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 →