- 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: 3147
10-year publication summary
|
218
|
267
|
320
|
332
|
366
|
317
|
290
|
275
|
222
|
63
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Semiconductor Solutions Corporation | 11206 |
101 |
| Lumentum Operations LLC | 913 |
84 |
| Kyocera Sld Laser, Inc. | 302 |
84 |
| Mitsubishi Electric Corporation | 47556 |
81 |
| OSRAM Opto Semiconductors GmbH | 3268 |
80 |
| OSRAM OLED GmbH | 1755 |
75 |
| Sony Corporation | 30440 |
74 |
| Sumitomo Electric Industries, Ltd. | 16071 |
70 |
| Ams-osram International GmbH | 1209 |
64 |
| Nichia Corporation | 3827 |
62 |
| FUJIFILM Business Innovation Corp. | 7844 |
54 |
| Rohm Co., Ltd. | 6740 |
43 |
| II-VI Delaware, Inc. | 1626 |
43 |
| TRUMPF Photonic Components GmbH | 195 |
40 |
| Sony Group Corporation | 15148 |
40 |
| Hamamatsu Photonics K.K. | 4595 |
39 |
| Nippon Telegraph and Telephone Corporation | 16002 |
35 |
| Apple Inc. | 58049 |
33 |
| Panasonic Intellectual Property Management Co., Ltd. | 33462 |
32 |
| Ricoh Company, Ltd. | 13306 |
30 |
| Other owners | 1983 |