- 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 5/14 - External cavity lasers
Patent holdings for IPC class H01S 5/14
Total number of patents in this class: 1424
10-year publication summary
|
129
|
112
|
116
|
134
|
116
|
113
|
91
|
85
|
92
|
56
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| WBC Photonics, Inc. | 136 |
51 |
| Mitsubishi Electric Corporation | 46249 |
40 |
| Hamamatsu Photonics K.K. | 4426 |
39 |
| NEC Corporation | 35793 |
32 |
| NGK Insulators, Ltd. | 4973 |
31 |
| Huawei Technologies Co., Ltd. | 113191 |
27 |
| The Furukawa Electric Co., Ltd. | 3670 |
27 |
| Daylight Solutions, Inc. | 120 |
24 |
| Nichia Corporation | 3719 |
23 |
| Oracle International Corporation | 12953 |
20 |
| Panasonic Intellectual Property Management Co., Ltd. | 31598 |
20 |
| Rockley Photonics Limited | 337 |
19 |
| Sony Corporation | 31004 |
17 |
| Fujitsu Limited | 18404 |
17 |
| Nippon Telegraph and Telephone Corporation | 17367 |
15 |
| II-VI Delaware, Inc. | 1680 |
15 |
| Excelitas Technologies Corp. | 328 |
14 |
| OSRAM Opto Semiconductors GmbH | 3310 |
13 |
| Accelink Technologies Co., Ltd. | 302 |
13 |
| Nokia Solutions And Networks Oy | 6698 |
12 |
| Other owners | 955 |