Optical system
US-12517327-B2 · Jan 6, 2026 · US
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Maruyama Ryo patents
Maruyama Ryo is listed as an inventor on 47 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Maruyama Ryo |
| Total patents | 47 |
| First publication | Jul 30, 2015 |
| Latest publication | Jan 6, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Semiconductor module and vehicle
US-2025286010-A1 · Sep 11, 2025 · US
Ring resonator and its manufacturing method
US-2025271617-A1 · Aug 28, 2025 · US
Ring resonator and its manufacturing method
US-2025271616-A1 · Aug 28, 2025 · US
Reagent for fluorescence imaging of lipid droplets in cell and tissue
US-12306194-B2 · May 20, 2025 · US
Optical system
US-2024402487-A1 · Dec 5, 2024 · US
Methods for producing nitroso compound and quinoxaline compound
US-12122755-B2 · Oct 22, 2024 · US
Wavelength monitoring apparatus, wavelength monitoring method, and wavelength locker
US-2024305062-A1 · Sep 12, 2024 · US
Optical system
US-2024168282-A1 · May 23, 2024 · US
Optical fiber
US-11860406-B2 · Jan 2, 2024 · US
Recent patents
Latest publications not already listed above.
Optical fiber
US-11808972-B2 · Nov 7, 2023 · US
Optical fiber
US-11803007-B2 · Oct 31, 2023 · US
Methods for Producing Nitroso Compound and Quinoxaline Compound
US-2023074836-A1 · Mar 9, 2023 · US
Methods for producing nitroso compound and quinoxaline compound
US-11492334-B2 · Nov 8, 2022 · US
Optical fiber
US-11460632-B2 · Oct 4, 2022 · US
Optical fiber
US-2022291444-A1 · Sep 15, 2022 · US
Optical fiber
US-2022276432-A1 · Sep 1, 2022 · US
Reagent for fluorescence imaging of lipid droplets in cell and tissue
US-2022163545-A1 · May 26, 2022 · US
Lead frame wiring structure and semiconductor module
US-11302612-B2 · Apr 12, 2022 · US
Optical fiber
US-2022026632-A1 · Jan 27, 2022 · US
Optical fiber
US-2022011505-A1 · Jan 13, 2022 · US
Methods for Producing Nitroso Compound and Quinoxaline Compound
US-2021253539-A1 · Aug 19, 2021 · US
Optical fiber
US-11048039-B2 · Jun 29, 2021 · US
Lead frame wiring structure and semiconductor module
US-2021050286-A1 · Feb 18, 2021 · US
Optical fiber
US-2020326471-A1 · Oct 15, 2020 · US
Measurement method, measurement device, and non-transitory recording medium
US-10760993-B2 · Sep 1, 2020 · US
Optical fiber and method for manufacturing same
US-10578796-B2 · Mar 3, 2020 · US
Optical fiber and method of manufacturing the same
US-10422949-B2 · Sep 24, 2019 · US
Optical fiber and method of manufacturing the same
US-10422948-B2 · Sep 24, 2019 · US
Measurement method, measurement device, and non-transitory recording medium
US-2019226941-A1 · Jul 25, 2019 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Fujikura Ltd | 27 |
| Fuji Electric Co Ltd | 7 |
| Kumiai Chemical Industry Co | 4 |
| Kantatsu Co Ltd | 3 |
| Sharp Display Technology Corp | 3 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G02B6/03627 | 16 |
| G02B6/0281 | 13 |
| G02B6/02395 | 11 |
| G02B6/02214 | 7 |
| G02B6/02004 | 6 |