- 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 5/11 - Comprising a photonic bandgap structure
Patent holdings for IPC class H01S 5/11
Total number of patents in this class: 309
10-year publication summary
|
0
|
0
|
7
|
15
|
22
|
30
|
57
|
50
|
54
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyoto University | 2882 |
52 |
| Hamamatsu Photonics K.K. | 4581 |
27 |
| Ams-osram International GmbH | 1181 |
26 |
| Stanley Electric Co., Ltd. | 1328 |
25 |
| Seiko Epson Corporation | 19851 |
19 |
| Sophia School Corporation | 73 |
11 |
| Toshiba Corporation | 12578 |
10 |
| Vector Photonics Limited | 10 |
9 |
| Sumitomo Electric Industries, Ltd. | 15994 |
7 |
| Nippon Telegraph and Telephone Corporation | 16263 |
7 |
| II-VI Delaware, Inc. | 1647 |
6 |
| Phosertek Corporation | 10 |
6 |
| The Regents of the University of California | 20427 |
4 |
| OSRAM Opto Semiconductors GmbH | 3275 |
4 |
| Nanyang Technological University | 2124 |
4 |
| Sony Semiconductor Solutions Corporation | 11087 |
4 |
| Hon Hai Precision Industry Co., Ltd. | 4005 |
3 |
| The Regents of the University of Michigan | 4861 |
3 |
| Forschungsverbund Berlin e.V. | 195 |
3 |
| TrueLight Corporation | 25 |
3 |
| Other owners | 76 |