- 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: 3085
10-year publication summary
|
218
|
267
|
320
|
332
|
366
|
315
|
287
|
275
|
221
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Semiconductor Solutions Corporation | 10893 |
101 |
| Lumentum Operations LLC | 904 |
83 |
| Kyocera Sld Laser, Inc. | 299 |
83 |
| Mitsubishi Electric Corporation | 47065 |
80 |
| OSRAM Opto Semiconductors GmbH | 3284 |
80 |
| OSRAM OLED GmbH | 1764 |
75 |
| Sony Corporation | 30745 |
73 |
| Sumitomo Electric Industries, Ltd. | 15823 |
69 |
| Ams-osram International GmbH | 1136 |
61 |
| Nichia Corporation | 3779 |
58 |
| FUJIFILM Business Innovation Corp. | 7749 |
54 |
| Rohm Co., Ltd. | 6578 |
42 |
| II-VI Delaware, Inc. | 1649 |
42 |
| TRUMPF Photonic Components GmbH | 194 |
40 |
| Sony Group Corporation | 14635 |
40 |
| Hamamatsu Photonics K.K. | 4519 |
37 |
| Nippon Telegraph and Telephone Corporation | 16252 |
34 |
| Apple Inc. | 56571 |
33 |
| Panasonic Intellectual Property Management Co., Ltd. | 32590 |
32 |
| The Furukawa Electric Co., Ltd. | 3693 |
30 |
| Other owners | 1938 |