- 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: 1479
10-year publication summary
|
112
|
118
|
135
|
118
|
113
|
93
|
89
|
93
|
92
|
43
|
| 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. | 4697 |
42 |
| Mitsubishi Electric Corporation | 48172 |
41 |
| NGK Insulators, Ltd. | 5200 |
31 |
| NEC Corporation | 37168 |
30 |
| The Furukawa Electric Co., Ltd. | 3695 |
30 |
| Huawei Technologies Co., Ltd. | 124115 |
28 |
| Daylight Solutions, Inc. | 122 |
26 |
| Nichia Corporation | 3884 |
25 |
| Oracle International Corporation | 13611 |
20 |
| Panasonic Intellectual Property Management Co., Ltd. | 34265 |
20 |
| Rockley Photonics Limited | 338 |
19 |
| Wells Fargo Bank, National Association, AS Collateral Agent | 884 |
18 |
| Sony Corporation | 30111 |
17 |
| II-VI Delaware, Inc. | 1619 |
16 |
| Nippon Telegraph and Telephone Corporation | 15939 |
14 |
| Accelink Technologies Co., Ltd. | 333 |
14 |
| Excelitas Technologies Corp. | 326 |
14 |
| Fujitsu Limited | 16854 |
13 |
| Nokia Solutions And Networks Oy | 7273 |
13 |
| Other owners | 997 |