- 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: 190
10-year publication summary
|
0
|
0
|
1
|
11
|
30
|
44
|
32
|
40
|
27
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3536 |
49 |
| Ams-osram International GmbH | 752 |
12 |
| OSRAM Opto Semiconductors GmbH | 3337 |
11 |
| Rohm Co., Ltd. | 6281 |
8 |
| Kyocera Sld Laser, Inc. | 288 |
7 |
| OSRAM OLED GmbH | 1796 |
6 |
| Google LLC | 40708 |
5 |
| Vixar Inc. | 33 |
5 |
| FUJIFILM Business Innovation Corp. | 7398 |
5 |
| Excelitas Canada, Inc. | 94 |
4 |
| Namuga Co., Ltd. | 21 |
4 |
| Nuvoton Technology Corporation Japan | 515 |
4 |
| Apple Inc. | 52547 |
3 |
| Hamamatsu Photonics K.K. | 4303 |
3 |
| Lite-On Technology Corporation | 744 |
3 |
| Agc, Inc. | 4414 |
3 |
| AMS Sensors Asia Pte. Ltd. | 64 |
3 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1538 |
3 |
| Robert Bosch GmbH | 41695 |
2 |
| Kyocera Corporation | 13319 |
2 |
| Other owners | 48 |