- 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: 3201
10-year publication summary
|
220
|
268
|
322
|
336
|
368
|
320
|
292
|
277
|
224
|
121
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Semiconductor Solutions Corporation | 11551 |
107 |
| Ams-osram International GmbH | 1644 |
99 |
| Wells Fargo Bank, National Association, AS Collateral Agent | 878 |
87 |
| Kyocera Sld Laser, Inc. | 304 |
85 |
| Mitsubishi Electric Corporation | 47971 |
84 |
| OSRAM Opto Semiconductors GmbH | 3248 |
80 |
| Sony Corporation | 30208 |
74 |
| Sumitomo Electric Industries, Ltd. | 16305 |
70 |
| Nichia Corporation | 3872 |
63 |
| FUJIFILM Business Innovation Corp. | 7916 |
55 |
| Rohm Co., Ltd. | 6824 |
46 |
| II-VI Delaware, Inc. | 1624 |
44 |
| OSRAM OLED GmbH | 1392 |
43 |
| Sony Group Corporation | 15597 |
43 |
| Hamamatsu Photonics K.K. | 4669 |
40 |
| TRUMPF Photonic Components GmbH | 186 |
40 |
| Nippon Telegraph and Telephone Corporation | 15922 |
35 |
| Apple Inc. | 58705 |
33 |
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
31 |
| Ricoh Company, Ltd. | 13346 |
30 |
| Other owners | 2012 |