- 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: 524
10-year publication summary
|
53
|
61
|
65
|
47
|
56
|
44
|
53
|
35
|
26
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Solaero Technologies Corp. | 219 |
66 |
| The Boeing Company | 20042 |
35 |
| Toshiba Energy Systems & Solutions Corp. | 1076 |
23 |
| Toshiba Corporation | 12320 |
15 |
| Azur Space Solar Power GmbH | 159 |
14 |
| International Business Machines Corporation | 61207 |
12 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6270 |
12 |
| Oxford Photovoltaics Limited | 86 |
11 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10924 |
10 |
| LG Electronics Inc. | 72807 |
8 |
| First Solar, Inc. | 512 |
8 |
| Solar Junction Corporation | 28 |
8 |
| Alliance for Sustainable Energy, LLC | 796 |
7 |
| Solar-Tectic LLC | 24 |
7 |
| The Board of Trustees of the Leland Stanford Junior University | 6402 |
6 |
| 3SUN S.r.l. | 38 |
6 |
| Cactus Materials, Inc. | 29 |
6 |
| The Regents of the University of California | 19868 |
5 |
| California Institute of Technology | 3973 |
5 |
| The Regents of the University of Michigan | 4685 |
5 |
| Other owners | 255 |