- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 31/0749 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof adapted as photovoltaic [PV] conversion devices characterised by at least one potential-jump barrier or surface barrier the potential barriers being only of the PN heterojunction type including a AIBIIICVI compound, e.g. CdS/CuInSe2 [CIS] heterojunction solar cells
Patent holdings for IPC class H01L 31/0749
Total number of patents in this class: 399
10-year publication summary
|
74
|
49
|
26
|
31
|
21
|
10
|
11
|
9
|
9
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Korea Institute of Energy Research | 869 |
21 |
| LG Innotek Co., Ltd. | 7881 |
17 |
| International Business Machines Corporation | 61694 |
14 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 45023 |
14 |
| Nitto Denko Corporation | 8352 |
13 |
| Solar Frontier K.K. | 85 |
13 |
| Idemitsu Kosan Co., Ltd. | 4239 |
12 |
| First Solar, Inc. | 513 |
11 |
| Mitsubishi Materials Corporation | 2472 |
8 |
| FUJIFILM Corporation | 29752 |
7 |
| Beijing Apollo Ding Rong Solar Technology Co., Ltd. | 188 |
7 |
| Flisom AG | 77 |
7 |
| Toshiba Corporation | 12521 |
6 |
| Kyocera Corporation | 14034 |
6 |
| Newsouth Innovations Pty Limited | 603 |
6 |
| Dow Global Technologies LLC | 10509 |
5 |
| Electricite de France | 738 |
5 |
| Magnolia Solar, Inc. | 17 |
5 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2391 |
5 |
| Saint-Gobain Glass France | 3248 |
5 |
| Other owners | 212 |