- 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: 1453
10-year publication summary
|
112
|
116
|
134
|
116
|
113
|
93
|
85
|
93
|
91
|
8
|
| 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 |
| Mitsubishi Electric Corporation | 47352 |
41 |
| Hamamatsu Photonics K.K. | 4565 |
41 |
| NGK Insulators, Ltd. | 5205 |
31 |
| NEC Corporation | 36448 |
30 |
| The Furukawa Electric Co., Ltd. | 3710 |
30 |
| Huawei Technologies Co., Ltd. | 118145 |
28 |
| Daylight Solutions, Inc. | 121 |
25 |
| Nichia Corporation | 3796 |
23 |
| Oracle International Corporation | 13204 |
20 |
| Panasonic Intellectual Property Management Co., Ltd. | 32983 |
20 |
| Rockley Photonics Limited | 330 |
19 |
| Sony Corporation | 30588 |
17 |
| II-VI Delaware, Inc. | 1645 |
15 |
| Lumentum Operations LLC | 909 |
15 |
| Nippon Telegraph and Telephone Corporation | 16265 |
14 |
| Accelink Technologies Co., Ltd. | 321 |
14 |
| Excelitas Technologies Corp. | 324 |
14 |
| Fujitsu Limited | 17357 |
13 |
| Nokia Solutions And Networks Oy | 6967 |
12 |
| Other owners | 980 |