- 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: 1183
10-year publication summary
|
84
|
95
|
100
|
97
|
102
|
73
|
93
|
76
|
67
|
48
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Sld Laser, Inc. | 308 |
69 |
| OSRAM Opto Semiconductors GmbH | 3215 |
54 |
| Ams-osram International GmbH | 1709 |
53 |
| OSRAM OLED GmbH | 1383 |
35 |
| Mitsubishi Electric Corporation | 48460 |
30 |
| The Furukawa Electric Co., Ltd. | 3725 |
30 |
| II-VI Delaware, Inc. | 1621 |
29 |
| Nichia Corporation | 3911 |
25 |
| Sony Corporation | 29887 |
21 |
| Wells Fargo Bank, National Association, AS Collateral Agent | 889 |
21 |
| nLIGHT, Inc. | 420 |
20 |
| The Regents of the University of California | 20960 |
19 |
| Nuvoton Technology Corporation Japan | 764 |
18 |
| University of Central Florida Research Foundation, Inc. | 1259 |
16 |
| Sumitomo Electric Industries, Ltd. | 16437 |
15 |
| Stanley Electric Co., Ltd. | 1401 |
15 |
| Hamamatsu Photonics K.K. | 4730 |
14 |
| Kyoto University | 2947 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
12 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11137 |
12 |
| Other owners | 662 |