- 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 5/227 - Buried mesa structure
Patent holdings for IPC class H01S 5/227
Total number of patents in this class: 353
10-year publication summary
22
|
33
|
35
|
36
|
32
|
30
|
43
|
38
|
37
|
8
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
43 |
Sumitomo Electric Industries, Ltd. | 14131 |
33 |
The Furukawa Electric Co., Ltd. | 3486 |
31 |
Lumentum Japan, Inc. | 240 |
23 |
Kyocera Sld Laser, Inc. | 281 |
21 |
Sumitomo Electric Device Innovations, Inc. | 405 |
11 |
Nippon Telegraph and Telephone Corporation | 14195 |
9 |
Alpes Lasers SA | 12 |
8 |
National Research Council of Canada | 1545 |
8 |
International Business Machines Corporation | 60644 |
7 |
Fujitsu Limited | 19265 |
7 |
Hamamatsu Photonics K.K. | 4161 |
7 |
OSRAM OLED GmbH | 1841 |
7 |
Acorn Semi, LLC | 49 |
7 |
Massachusetts Institute of Technology | 9795 |
5 |
University of Central Florida Research Foundation, Inc. | 1098 |
5 |
Toshiba Corporation | 12017 |
4 |
STMicroelectronics (Crolles 2) SAS | 634 |
4 |
Silanna UV Technologies Pte Ltd | 83 |
4 |
Samsung Electronics Co., Ltd. | 131630 |
3 |
Other owners | 106 |