- 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 5/20 - Structure or shape of the semiconductor body to guide the optical wave
Patent holdings for IPC class H01S 5/20
Total number of patents in this class: 1095
10-year publication summary
|
87
|
84
|
95
|
100
|
97
|
102
|
72
|
85
|
75
|
33
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Sld Laser, Inc. | 298 |
68 |
| OSRAM Opto Semiconductors GmbH | 3313 |
54 |
| OSRAM OLED GmbH | 1779 |
45 |
| Ams-osram International GmbH | 975 |
35 |
| The Furukawa Electric Co., Ltd. | 3645 |
26 |
| II-VI Delaware, Inc. | 1685 |
26 |
| Mitsubishi Electric Corporation | 45998 |
25 |
| Sony Corporation | 31080 |
22 |
| Nichia Corporation | 3696 |
22 |
| The Regents of the University of California | 19887 |
19 |
| Lumentum Operations LLC | 730 |
18 |
| nLIGHT, Inc. | 408 |
16 |
| University of Central Florida Research Foundation, Inc. | 1177 |
16 |
| Nuvoton Technology Corporation Japan | 597 |
16 |
| Sumitomo Electric Industries, Ltd. | 15443 |
15 |
| Hamamatsu Photonics K.K. | 4411 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 31273 |
12 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10928 |
12 |
| Kyoto University | 2800 |
12 |
| Apple Inc. | 54714 |
11 |
| Other owners | 612 |