- All sections
- H - Electricity
- H01S - Devices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light; devices 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: 1337
10-year publication summary
139
|
130
|
111
|
118
|
135
|
117
|
107
|
91
|
82
|
29
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Panasonic Corporation of North America | 298 |
45 |
Mitsubishi Electric Corporation | 43934 |
35 |
NEC Corporation | 32703 |
33 |
NGK Insulators, Ltd. | 4589 |
31 |
Hamamatsu Photonics K.K. | 4161 |
31 |
Huawei Technologies Co., Ltd. | 100781 |
26 |
Daylight Solutions, Inc. | 117 |
23 |
The Furukawa Electric Co., Ltd. | 3486 |
22 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
21 |
Oracle International Corporation | 12313 |
20 |
Rockley Photonics Limited | 399 |
19 |
Sony Corporation | 32931 |
18 |
Fujitsu Limited | 19265 |
17 |
Nichia Corporation | 3394 |
17 |
Excelitas Technologies Corp. | 290 |
16 |
OSRAM Opto Semiconductors GmbH | 3390 |
15 |
Nippon Telegraph and Telephone Corporation | 14195 |
14 |
II-VI Delaware, Inc. | 1720 |
14 |
Accelink Technologies Co., Ltd. | 264 |
13 |
Solus Technologies Limited | 20 |
13 |
Other owners | 894 |