Wavelength-variable laser
US-2025279629-A1 · Sep 4, 2025 · US
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Yoshida Junji patents
Yoshida Junji is listed as an inventor on 41 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Yoshida Junji |
| Total patents | 41 |
| First publication | Apr 16, 2015 |
| Latest publication | Sep 4, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Wavelength-variable laser
US-12327983-B2 · Jun 10, 2025 · US
Raman amplifier and method for designing raman amplifier
US-2025023316-A1 · Jan 16, 2025 · US
Light source, light source device, method of driving light source, raman amplifier, and raman amplification system
US-2024332884-A1 · Oct 3, 2024 · US
Wavelength-variable laser
US-2024291240-A1 · Aug 29, 2024 · US
Wavelength-variable laser
US-12009636-B2 · Jun 11, 2024 · US
Light source, light source device, method of driving light source, raman amplifier, and raman amplification system
US-2023231629-A1 · Jul 20, 2023 · US
Wavelength-variable laser
US-2023187906-A1 · Jun 15, 2023 · US
Wavelength-variable laser
US-11605935-B2 · Mar 14, 2023 · US
Wavelength-variable laser
US-11581706-B2 · Feb 14, 2023 · US
Recent patents
Latest publications not already listed above.
Air cleaner
US-11525425-B2 · Dec 13, 2022 · US
Semiconductor laser array, semiconductor laser element, semiconductor laser module, and wavelength-variable laser assembly
US-11322912-B2 · May 3, 2022 · US
Constant velocity joint and assembly method therefor
US-11162539-B2 · Nov 2, 2021 · US
Wavelength-variable laser
US-2021210929-A1 · Jul 8, 2021 · US
Wavelength-variable laser
US-2021184436-A1 · Jun 17, 2021 · US
Air cleaner
US-2021164424-A1 · Jun 3, 2021 · US
Optical unit, fixing mechanism for optical unit, and semiconductor laser module
US-10944236-B2 · Mar 9, 2021 · US
Wavelength-variable laser
US-10938183-B2 · Mar 2, 2021 · US
Nickel plated coating and method of manufacturing the same
US-10753008-B2 · Aug 25, 2020 · US
Constant velocity joint and assembly method therefor
US-2020158183-A1 · May 21, 2020 · US
Wavelength-variable laser
US-2020067279-A1 · Feb 27, 2020 · US
Wavelength-variable laser
US-10511150-B2 · Dec 17, 2019 · US
Refrigerator
US-10203153-B2 · Feb 12, 2019 · US
Nickel plated coating and method of manufacturing the same
US-2018347060-A1 · Dec 6, 2018 · US
Wavelength-variable laser
US-2018331503-A1 · Nov 15, 2018 · US
Optical semiconductor device, semiconductor laser module, and optical fiber amplifier
US-10020638-B2 · Jul 10, 2018 · US
Refrigerator
US-2018017317-A1 · Jan 18, 2018 · US
Optical unit, fixing mechanism for optical unit, and semiconductor laser module
US-2017288367-A1 · Oct 5, 2017 · US
Method of designing semiconductor laser device, method of designing raman amplifier, methods of manufacturing semiconductor laser device, semiconductor laser device, raman amplifier, and optical communication system
US-9711945-B2 · Jul 18, 2017 · US
Optical semiconductor device, semiconductor laser module, and optical fiber amplifier
US-2017187168-A1 · Jun 29, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Furukawa Electric Co Ltd | 29 |
| Panasonic Ip Man Co Ltd | 3 |
| Samsung Electronics Co Ltd | 2 |
| Mahle Int Gmbh | 2 |
| Mahle Filter Systems Jp Corp | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H01S3/302 | 24 |
| H01S5/02251 | 24 |
| H01S3/06754 | 22 |
| H01S5/227 | 22 |
| H01S5/024 | 21 |