- 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: 197
10-year publication summary
0
|
0
|
0
|
0
|
4
|
39
|
44
|
36
|
35
|
28
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 45962 |
16 |
Sony Semiconductor Solutions Corporation | 10390 |
13 |
Nichia Corporation | 3693 |
10 |
Rohm Co., Ltd. | 6428 |
9 |
Sumitomo Electric Industries, Ltd. | 15428 |
7 |
The Furukawa Electric Co., Ltd. | 3645 |
7 |
Hisense Laser Display Co., Ltd. | 385 |
7 |
Sumitomo Electric Device Innovations, Inc. | 447 |
6 |
Ams-osram International GmbH | 969 |
6 |
Sony Corporation | 31093 |
4 |
NEC Corporation | 35521 |
4 |
Kyocera Corporation | 13784 |
4 |
Nippon Telegraph and Telephone Corporation | 17275 |
4 |
Fujikura Ltd. | 2921 |
4 |
FUJIFILM Business Innovation Corp. | 7580 |
4 |
Panasonic Holdings Corporation | 1729 |
4 |
Hamamatsu Photonics K.K. | 4405 |
3 |
OSRAM Opto Semiconductors GmbH | 3313 |
3 |
Daicel Corporation | 2335 |
3 |
Lumentum Operations LLC | 729 |
3 |
Other owners | 76 |