- 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 5/0239 - Combinations of electrical or optical elements
Patent holdings for IPC class H01S 5/0239
Total number of patents in this class: 221
10-year publication summary
|
0
|
0
|
0
|
0
|
4
|
40
|
48
|
38
|
35
|
42
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46765 |
17 |
| Sony Semiconductor Solutions Corporation | 10756 |
15 |
| Rohm Co., Ltd. | 6536 |
12 |
| Nichia Corporation | 3763 |
10 |
| The Furukawa Electric Co., Ltd. | 3704 |
9 |
| Sumitomo Electric Industries, Ltd. | 15705 |
7 |
| Hisense Laser Display Co., Ltd. | 409 |
7 |
| Ams-osram International GmbH | 1075 |
7 |
| Sumitomo Electric Device Innovations, Inc. | 451 |
6 |
| Lumentum Operations LLC | 902 |
5 |
| Panasonic Holdings Corporation | 1770 |
5 |
| Sony Corporation | 30829 |
4 |
| NEC Corporation | 36225 |
4 |
| Kyocera Corporation | 14034 |
4 |
| Fujikura Ltd. | 2963 |
4 |
| FUJIFILM Business Innovation Corp. | 7734 |
4 |
| Hamamatsu Photonics K.K. | 4478 |
3 |
| Nippon Telegraph and Telephone Corporation | 16681 |
3 |
| OSRAM Opto Semiconductors GmbH | 3287 |
3 |
| Daicel Corporation | 2398 |
3 |
| Other owners | 89 |