- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 31/049 - Protective back sheets
Patent holdings for IPC class H01L 31/049
Total number of patents in this class: 644
10-year publication summary
|
96
|
76
|
101
|
42
|
49
|
53
|
44
|
48
|
25
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Maxeon Solar Pte. Ltd. | 702 |
27 |
| FUJIFILM Corporation | 30063 |
21 |
| GAF Energy LLC | 212 |
20 |
| LG Chem, Ltd. | 17745 |
18 |
| Toray Industries, Inc. | 7016 |
16 |
| Dai Nippon Printing Co., Ltd. | 4169 |
14 |
| Tesla, Inc. | 1833 |
14 |
| Borealis AG | 2753 |
13 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10971 |
11 |
| Solaero Technologies Corp. | 221 |
10 |
| Daikin Industries, Ltd. | 10223 |
9 |
| JingAo Solar Co., Ltd. | 174 |
9 |
| Dow Global Technologies LLC | 10707 |
8 |
| SABIC Global Technologies B.V. | 4460 |
8 |
| DSM IP Assets B.V. | 5456 |
7 |
| Denka Company Limited | 2680 |
7 |
| DuPont Teijin Films U.S. Limited Partnership | 106 |
7 |
| Hanwha Q Cells GmbH | 142 |
7 |
| Toyo Aluminium Kabushiki Kaisha | 346 |
7 |
| Vismunda SRL | 25 |
7 |
| Other owners | 404 |