- 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: 1167
10-year publication summary
|
84
|
95
|
100
|
97
|
102
|
73
|
91
|
76
|
67
|
35
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Sld Laser, Inc. | 304 |
69 |
| OSRAM Opto Semiconductors GmbH | 3244 |
54 |
| Ams-osram International GmbH | 1648 |
53 |
| OSRAM OLED GmbH | 1392 |
35 |
| Mitsubishi Electric Corporation | 48018 |
29 |
| The Furukawa Electric Co., Ltd. | 3694 |
29 |
| II-VI Delaware, Inc. | 1623 |
28 |
| Nichia Corporation | 3874 |
24 |
| Sony Corporation | 30181 |
21 |
| Wells Fargo Bank, National Association, AS Collateral Agent | 877 |
20 |
| The Regents of the University of California | 20745 |
19 |
| nLIGHT, Inc. | 417 |
18 |
| Nuvoton Technology Corporation Japan | 727 |
18 |
| University of Central Florida Research Foundation, Inc. | 1248 |
16 |
| Sumitomo Electric Industries, Ltd. | 16331 |
15 |
| Hamamatsu Photonics K.K. | 4681 |
14 |
| Kyoto University | 2904 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
12 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11123 |
12 |
| Stanley Electric Co., Ltd. | 1375 |
12 |
| Other owners | 656 |