- 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: 1458
10-year publication summary
|
112
|
116
|
134
|
116
|
113
|
93
|
85
|
93
|
92
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| WBC Photonics, Inc. | 136 |
51 |
| Hamamatsu Photonics K.K. | 4595 |
42 |
| Mitsubishi Electric Corporation | 47556 |
41 |
| NGK Insulators, Ltd. | 5186 |
31 |
| NEC Corporation | 36611 |
30 |
| The Furukawa Electric Co., Ltd. | 3700 |
30 |
| Huawei Technologies Co., Ltd. | 119891 |
28 |
| Daylight Solutions, Inc. | 121 |
26 |
| Nichia Corporation | 3827 |
24 |
| Oracle International Corporation | 13430 |
20 |
| Panasonic Intellectual Property Management Co., Ltd. | 33462 |
20 |
| Rockley Photonics Limited | 330 |
19 |
| Sony Corporation | 30440 |
17 |
| II-VI Delaware, Inc. | 1626 |
15 |
| Lumentum Operations LLC | 913 |
15 |
| Nippon Telegraph and Telephone Corporation | 16002 |
14 |
| Accelink Technologies Co., Ltd. | 325 |
14 |
| Excelitas Technologies Corp. | 324 |
14 |
| Fujitsu Limited | 16989 |
13 |
| Nokia Solutions And Networks Oy | 7054 |
12 |
| Other owners | 982 |