- All sections
- H - Electricity
- H01S - Devices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light; devices using stimulated emission of electromagnetic radiation in wave ranges other than optical
- H01S 5/042 - Electrical excitation
Patent holdings for IPC class H01S 5/042
Total number of patents in this class: 2641
10-year publication summary
129
|
154
|
220
|
269
|
322
|
332
|
351
|
297
|
275
|
88
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
OSRAM Opto Semiconductors GmbH | 3390 |
82 |
Kyocera Sld Laser, Inc. | 281 |
79 |
OSRAM OLED GmbH | 1841 |
72 |
Sony Semiconductor Solutions Corporation | 8770 |
72 |
Sony Corporation | 32931 |
69 |
Mitsubishi Electric Corporation | 43934 |
65 |
Sumitomo Electric Industries, Ltd. | 14131 |
63 |
Lumentum Operations LLC | 696 |
57 |
FUJIFILM Business Innovation Corp. | 7395 |
53 |
Nichia Corporation | 3394 |
44 |
Nippon Telegraph and Telephone Corporation | 14195 |
34 |
II-VI Delaware, Inc. | 1720 |
34 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
32 |
Apple Inc. | 50209 |
31 |
Hamamatsu Photonics K.K. | 4161 |
30 |
Rohm Co., Ltd. | 5843 |
29 |
International Business Machines Corporation | 60644 |
28 |
Google LLC | 38759 |
27 |
Lumentum Japan, Inc. | 240 |
27 |
Ricoh Company, Ltd. | 13266 |
26 |
Other owners | 1687 |