- 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: 265
10-year publication summary
|
0
|
0
|
0
|
7
|
15
|
22
|
30
|
56
|
50
|
33
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyoto University | 2808 |
45 |
| Hamamatsu Photonics K.K. | 4441 |
25 |
| Ams-osram International GmbH | 1025 |
25 |
| Stanley Electric Co., Ltd. | 1257 |
22 |
| Seiko Epson Corporation | 19478 |
15 |
| Sophia School Corporation | 72 |
11 |
| Nippon Telegraph and Telephone Corporation | 17367 |
8 |
| Toshiba Corporation | 12397 |
7 |
| Phosertek Corporation | 10 |
6 |
| Vector Photonics Limited | 6 |
6 |
| Sumitomo Electric Industries, Ltd. | 15576 |
5 |
| The Regents of the University of California | 20035 |
4 |
| OSRAM Opto Semiconductors GmbH | 3304 |
4 |
| Hon Hai Precision Industry Co., Ltd. | 4024 |
3 |
| The Regents of the University of Michigan | 4733 |
3 |
| TrueLight Corporation | 25 |
3 |
| Sony Group Corporation | 14045 |
3 |
| Apple Inc. | 55345 |
2 |
| International Business Machines Corporation | 61402 |
2 |
| Centre National de La Recherche Scientifique | 10498 |
2 |
| Other owners | 64 |