- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 31/0725 - Multiple junction or tandem solar cells
Patent holdings for IPC class H01L 31/0725
Total number of patents in this class: 508
10-year publication summary
65
|
53
|
61
|
65
|
47
|
56
|
46
|
53
|
34
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Solaero Technologies Corp. | 210 |
63 |
The Boeing Company | 19843 |
32 |
Toshiba Energy Systems & Solutions Corp. | 954 |
24 |
Azur Space Solar Power GmbH | 166 |
20 |
Toshiba Corporation | 12017 |
15 |
International Business Machines Corporation | 60644 |
13 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
12 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
10 |
LG Electronics Inc. | 69257 |
8 |
Alliance for Sustainable Energy, LLC | 698 |
8 |
Solar Junction Corporation | 28 |
8 |
Solar-Tectic LLC | 24 |
7 |
Cactus Materials, Inc. | 28 |
7 |
The Board of Trustees of the Leland Stanford Junior University | 6054 |
6 |
Arizona Board of Regents on behalf of Arizona State University | 2226 |
6 |
First Solar, Inc. | 486 |
6 |
Oxford University Innovation Limited | 1421 |
6 |
Oxford Photovoltaics Limited | 43 |
6 |
The Regents of the University of California | 18943 |
5 |
California Institute of Technology | 3884 |
5 |
Other owners | 241 |