- 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 5/02257 - 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: 219
10-year publication summary
|
0
|
0
|
1
|
11
|
30
|
46
|
32
|
42
|
27
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3749 |
55 |
| Ams-osram International GmbH | 1057 |
15 |
| OSRAM Opto Semiconductors GmbH | 3287 |
11 |
| Rohm Co., Ltd. | 6511 |
9 |
| Kyocera Sld Laser, Inc. | 299 |
7 |
| OSRAM OLED GmbH | 1771 |
6 |
| Google LLC | 42673 |
5 |
| Vixar Inc. | 33 |
5 |
| Agc, Inc. | 4944 |
5 |
| Nuvoton Technology Corporation Japan | 649 |
5 |
| FUJIFILM Business Innovation Corp. | 7740 |
5 |
| Excelitas Canada, Inc. | 98 |
4 |
| Lite-On Technology Corporation | 797 |
4 |
| Lumentum Operations LLC | 747 |
4 |
| Namuga Co., Ltd. | 25 |
4 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1406 |
4 |
| Apple Inc. | 55640 |
3 |
| Kyocera Corporation | 13988 |
3 |
| Hamamatsu Photonics K.K. | 4461 |
3 |
| The Furukawa Electric Co., Ltd. | 3702 |
3 |
| Other owners | 59 |