- 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: 233
10-year publication summary
|
0
|
0
|
0
|
6
|
15
|
22
|
29
|
56
|
50
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyoto University | 2779 |
38 |
| Hamamatsu Photonics K.K. | 4313 |
24 |
| Ams-osram International GmbH | 801 |
22 |
| Stanley Electric Co., Ltd. | 1176 |
20 |
| Seiko Epson Corporation | 19020 |
14 |
| Sophia School Corporation | 68 |
10 |
| Nippon Telegraph and Telephone Corporation | 16416 |
8 |
| Toshiba Corporation | 12076 |
6 |
| Phosertek Corporation | 10 |
6 |
| Sumitomo Electric Industries, Ltd. | 15015 |
5 |
| Vector Photonics Limited | 5 |
5 |
| OSRAM Opto Semiconductors GmbH | 3335 |
4 |
| The Regents of the University of California | 19572 |
3 |
| Hon Hai Precision Industry Co., Ltd. | 4040 |
3 |
| The Regents of the University of Michigan | 4595 |
3 |
| TrueLight Corporation | 25 |
3 |
| Centre National de La Recherche Scientifique | 10140 |
2 |
| Board of Regents, The University of Texas System | 5641 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10700 |
2 |
| Forschungsverbund Berlin e.V. | 194 |
2 |
| Other owners | 51 |