- 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 5/042 - Electrical excitation
Patent holdings for IPC class H01S 5/042
Total number of patents in this class: 3019
10-year publication summary
|
153
|
218
|
267
|
320
|
332
|
366
|
315
|
285
|
275
|
162
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Semiconductor Solutions Corporation | 10599 |
97 |
| Kyocera Sld Laser, Inc. | 299 |
82 |
| OSRAM Opto Semiconductors GmbH | 3304 |
81 |
| Lumentum Operations LLC | 738 |
81 |
| Mitsubishi Electric Corporation | 46397 |
79 |
| OSRAM OLED GmbH | 1777 |
76 |
| Sony Corporation | 30936 |
73 |
| Sumitomo Electric Industries, Ltd. | 15593 |
69 |
| Ams-osram International GmbH | 1030 |
57 |
| Nichia Corporation | 3735 |
56 |
| FUJIFILM Business Innovation Corp. | 7637 |
54 |
| TRUMPF Photonic Components GmbH | 198 |
40 |
| Rohm Co., Ltd. | 6480 |
39 |
| II-VI Delaware, Inc. | 1648 |
39 |
| Sony Group Corporation | 14085 |
39 |
| Nippon Telegraph and Telephone Corporation | 17371 |
36 |
| Hamamatsu Photonics K.K. | 4446 |
35 |
| Apple Inc. | 55387 |
33 |
| Panasonic Intellectual Property Management Co., Ltd. | 31806 |
32 |
| Ricoh Company, Ltd. | 13316 |
29 |
| Other owners | 1892 |