- All sections
- H - Electricity
- H01S - Devices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light; devices using stimulated emission of electromagnetic radiation in wave ranges other than optical
- H01S 5/04 - Processes or apparatus for excitation, e.g. pumping
Patent holdings for IPC class H01S 5/04
Total number of patents in this class: 331
10-year publication summary
30
|
32
|
35
|
30
|
24
|
29
|
20
|
23
|
21
|
8
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
OSRAM Opto Semiconductors GmbH | 3390 |
21 |
Solus Technologies Limited | 20 |
15 |
Xerox Corporation | 7503 |
11 |
Coherent, Inc. | 337 |
9 |
Excelitas Technologies Corp. | 290 |
9 |
The Arizona Board of Regents on Behalf of the University of Arizona | 1906 |
8 |
International Business Machines Corporation | 60644 |
7 |
Centre National de La Recherche Scientifique | 9632 |
6 |
Koninklijke Philips N.V. | 22975 |
6 |
Praevium Research, Inc. | 38 |
6 |
Thorlabs, Inc. | 415 |
6 |
OSRAM OLED GmbH | 1841 |
5 |
The Regents of the University of California | 18943 |
4 |
Raytheon Company | 8535 |
4 |
The General Hospital Corporation | 4517 |
4 |
BAE Systems Information and Electronic Systems Integration Inc. | 1760 |
4 |
Camlin Technologies (Switzerland) Limited | 4 |
4 |
Soochow University | 1605 |
4 |
Samsung Electronics Co., Ltd. | 131630 |
3 |
Canon Inc. | 36841 |
3 |
Other owners | 192 |