- 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 5/20 - Structure or shape of the semiconductor body to guide the optical wave
Patent holdings for IPC class H01S 5/20
Total number of patents in this class: 992
10-year publication summary
84
|
87
|
83
|
95
|
100
|
97
|
96
|
69
|
81
|
21
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Kyocera Sld Laser, Inc. | 281 |
64 |
OSRAM Opto Semiconductors GmbH | 3390 |
54 |
OSRAM OLED GmbH | 1841 |
45 |
The Furukawa Electric Co., Ltd. | 3486 |
25 |
Mitsubishi Electric Corporation | 43934 |
24 |
Ams-osram International GmbH | 466 |
24 |
II-VI Delaware, Inc. | 1720 |
23 |
Nichia Corporation | 3394 |
20 |
Sony Corporation | 32931 |
19 |
nLIGHT, Inc. | 380 |
16 |
University of Central Florida Research Foundation, Inc. | 1098 |
16 |
Lumentum Operations LLC | 696 |
15 |
The Regents of the University of California | 18943 |
14 |
Sumitomo Electric Industries, Ltd. | 14131 |
13 |
Hamamatsu Photonics K.K. | 4161 |
13 |
Nuvoton Technology Corporation Japan | 420 |
13 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
12 |
Apple Inc. | 50209 |
11 |
The Government of the United States of America, as represented by the Secretary of the Navy | 1102 |
11 |
FUJIFILM Business Innovation Corp. | 7395 |
11 |
Other owners | 549 |