- All sections
- H - Electricity
- H01S - Devices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate lightdevices using stimulated emission of electromagnetic radiation in wave ranges other than optical
- H01S 3/05 - Construction or shape of optical resonatorsAccommodation of active medium thereinShape of active medium
Patent holdings for IPC class H01S 3/05
Total number of patents in this class: 56
10-year publication summary
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1
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1
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3
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5
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3
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2
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1
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2
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1
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2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Massachusetts Institute of Technology | 10019 |
6 |
| Institut National de La Recherche Scientifique | 254 |
4 |
| NGK Insulators, Ltd. | 4929 |
2 |
| Ecole Polytechnique Paris Tech | 3 |
2 |
| Gigaphoton Inc. | 1218 |
2 |
| IPG Photonics Corporation | 523 |
2 |
| The University Court of the University of Glasgow | 244 |
2 |
| University of Sussex | 97 |
2 |
| 3m Innovative Properties Company | 17855 |
1 |
| Robert Bosch GmbH | 42505 |
1 |
| Electronics and Telecommunications Research Institute | 9358 |
1 |
| Mitsubishi Electric Corporation | 45860 |
1 |
| Huawei Technologies Co., Ltd. | 111237 |
1 |
| Northrop Grumman Systems Corporation | 2949 |
1 |
| California Institute of Technology | 3969 |
1 |
| The Board of Trustees of the Leland Stanford Junior University | 6380 |
1 |
| Wisconsin Alumni Research Foundation | 3864 |
1 |
| IMRA America, Inc. | 151 |
1 |
| The Trustees of Columbia University in the City of New York | 3561 |
1 |
| Lawrence Livermore National Security, LLC | 1927 |
1 |
| Other owners | 22 |