- 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: 329
10-year publication summary
|
0
|
0
|
7
|
15
|
22
|
30
|
56
|
51
|
54
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyoto University | 2898 |
54 |
| Ams-osram International GmbH | 1644 |
28 |
| Hamamatsu Photonics K.K. | 4669 |
27 |
| Stanley Electric Co., Ltd. | 1372 |
27 |
| Seiko Epson Corporation | 20248 |
19 |
| Sophia School Corporation | 75 |
11 |
| Toshiba Corporation | 12548 |
10 |
| Vector Photonics Limited | 11 |
10 |
| Sumitomo Electric Industries, Ltd. | 16305 |
7 |
| Nippon Telegraph and Telephone Corporation | 15922 |
7 |
| II-VI Delaware, Inc. | 1624 |
7 |
| Phosertek Corporation | 10 |
6 |
| The Regents of the University of California | 20720 |
4 |
| Hon Hai Precision Industry Co., Ltd. | 4026 |
4 |
| OSRAM Opto Semiconductors GmbH | 3248 |
4 |
| Nanyang Technological University | 2200 |
4 |
| Sony Semiconductor Solutions Corporation | 11551 |
4 |
| Centre National de La Recherche Scientifique | 11016 |
3 |
| Huawei Technologies Co., Ltd. | 123282 |
3 |
| The Regents of the University of Michigan | 4979 |
3 |
| Other owners | 87 |