- 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 5/02257 - Out-coupling of light using windows, e.g. specially adapted for back-reflecting light to a detector inside the housing
Patent holdings for IPC class H01S 5/02257
Total number of patents in this class: 170
10-year publication summary
|
0
|
0
|
0
|
1
|
10
|
30
|
42
|
31
|
39
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3394 |
45 |
| OSRAM Opto Semiconductors GmbH | 3390 |
11 |
| Ams-osram International GmbH | 466 |
9 |
| Rohm Co., Ltd. | 5843 |
6 |
| Kyocera Sld Laser, Inc. | 281 |
6 |
| Google LLC | 38759 |
5 |
| OSRAM OLED GmbH | 1841 |
5 |
| FUJIFILM Business Innovation Corp. | 7395 |
5 |
| Excelitas Canada, Inc. | 89 |
4 |
| Vixar Inc. | 31 |
4 |
| Namuga Co., Ltd. | 19 |
4 |
| Nuvoton Technology Corporation Japan | 420 |
4 |
| Apple Inc. | 50209 |
3 |
| Hamamatsu Photonics K.K. | 4161 |
3 |
| Lite-On Technology Corporation | 720 |
3 |
| Agc, Inc. | 4029 |
3 |
| AMS Sensors Asia Pte. Ltd. | 64 |
3 |
| The Furukawa Electric Co., Ltd. | 3486 |
2 |
| Excelitas Technologies Corp. | 290 |
2 |
| Lumentum Operations LLC | 696 |
2 |
| Other owners | 41 |