Photonic Neural Network
US-2025384260-A1 · Dec 18, 2025 · US
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Kojima Keisuke patents
Kojima Keisuke is listed as an inventor on 62 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Kojima Keisuke |
| Total patents | 62 |
| First publication | Jan 27, 2015 |
| Latest publication | Dec 18, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Generative model for inverse design of materials, devices, and structures
US-12260339-B2 · Mar 25, 2025 · US
Coherent optical sensor with sparse illumination
US-12154194-B2 · Nov 26, 2024 · US
Reconfigurable wavelength selective splitter
US-2023367997-A1 · Nov 16, 2023 · US
Metalens with Corrected Phase
US-2023367035-A1 · Nov 16, 2023 · US
Grating coupler and integrated grating coupler system
US-11650371-B2 · May 16, 2023 · US
Generative Model for Inverse Design of Materials, Devices, and Structures
US-2022358368-A1 · Nov 10, 2022 · US
Generative model for inverse design of materials, devices, and structures
US-11251896-B2 · Feb 15, 2022 · US
Coherent Optical Sensor with Sparse Illumination
US-2022012926-A1 · Jan 13, 2022 · US
Integrated grating coupler
US-11204467-B2 · Dec 21, 2021 · US
Recent patents
Latest publications not already listed above.
Integrated grating coupler system
US-11143821-B1 · Oct 12, 2021 · US
Generative Model for Inverse Design of Materials, Devices, and Structures
US-2021281349-A1 · Sep 9, 2021 · US
Grating coupler and integrated grating coupler system
US-11079550-B2 · Aug 3, 2021 · US
Grating Coupler and Integrated Grating Coupler System
US-2021181427-A1 · Jun 17, 2021 · US
Optical waveguide interferometer
US-10996400-B2 · May 4, 2021 · US
Grating Coupler and Integrated Grating Coupler System
US-2021116645-A1 · Apr 22, 2021 · US
Integrated grating coupler system
US-10962717-B2 · Mar 30, 2021 · US
Grating coupler and integrated grating coupler system
US-10921525-B2 · Feb 16, 2021 · US
Compact photonic devices
US-10859769-B2 · Dec 8, 2020 · US
Optical ring circuit with electrical filter
US-10838282-B2 · Nov 17, 2020 · US
System and method for short block length distribution matching
US-10749554-B1 · Aug 18, 2020 · US
Integrated Grating Coupler System
US-2020241205-A1 · Jul 30, 2020 · US
Integrated Grating Coupler
US-2020241204-A1 · Jul 30, 2020 · US
Grating Coupler and Integrated Grating Coupler System
US-2020174194-A1 · Jun 4, 2020 · US
Compact Photonic Devices
US-2020081188-A1 · Mar 12, 2020 · US
Pilot-aided carrier phase estimation for optical communications
US-10554309-B2 · Feb 4, 2020 · US
Short block length distribution matching algorithm
US-10541711-B1 · Jan 21, 2020 · US
Distribution matcher
US-10516503-B1 · Dec 24, 2019 · US
Optical Ring Circuit with Electrical Filter
US-2019339584-A1 · Nov 7, 2019 · US
Pilot-Aided Carrier Phase Estimation for Optical Communications
US-2019222321-A1 · Jul 18, 2019 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Mitsubishi Electric Res Laboratories Inc | 46 |
| Mitsubishi Electric Corp | 24 |
| Mitsubishi Electric Res Lab | 13 |
| Mitsubishi Electric Res Laboratories Inc | 3 |
| Mitsubishi Electric Corp | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G02B6/34 | 11 |
| G02B6/124 | 11 |
| G02B6/12002 | 11 |
| G02B6/2813 | 10 |
| G02B6/12004 | 9 |