- 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 5/02251 - Out-coupling of light using optical fibres
Patent holdings for IPC class H01S 5/02251
Total number of patents in this class: 178
10-year publication summary
|
0
|
1
|
0
|
3
|
13
|
31
|
49
|
36
|
38
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Sld Laser, Inc. | 281 |
27 |
| The Furukawa Electric Co., Ltd. | 3486 |
12 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
6 |
| Kyocera Corporation | 12735 |
5 |
| Fujikura Ltd. | 2777 |
5 |
| nLIGHT, Inc. | 380 |
5 |
| Nichia Corporation | 3394 |
4 |
| NEC Corporation | 32703 |
3 |
| Sumitomo Electric Industries, Ltd. | 14131 |
3 |
| Mitsubishi Electric Corporation | 43934 |
3 |
| Nippon Telegraph and Telephone Corporation | 14195 |
3 |
| Google LLC | 38759 |
3 |
| Nuburu Inc. | 77 |
3 |
| NKT Photonics A/S | 215 |
3 |
| Nuvoton Technology Corporation Japan | 420 |
3 |
| Sony Group Corporation | 10730 |
3 |
| Apple Inc. | 50209 |
2 |
| Sony Corporation | 32931 |
2 |
| Panasonic Corporation of North America | 298 |
2 |
| Murata Manufacturing Co., Ltd. | 22355 |
2 |
| Other owners | 79 |