- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 31/032 - Inorganic materials including, apart from doping materials or other impurities, only compounds not provided for in groups
Patent holdings for IPC class H01L 31/032
Total number of patents in this class: 1207
10-year publication summary
|
152
|
129
|
135
|
133
|
123
|
83
|
63
|
52
|
66
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 61257 |
37 |
| Samsung Electronics Co., Ltd. | 146346 |
31 |
| Toshiba Corporation | 12345 |
23 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42804 |
23 |
| Toshiba Energy Systems & Solutions Corp. | 1079 |
22 |
| First Solar, Inc. | 512 |
20 |
| Flisom AG | 77 |
19 |
| LG Chem, Ltd. | 17638 |
17 |
| Northwestern University | 3394 |
17 |
| Nanoco Technologies Ltd. | 144 |
17 |
| Research & Business Foundation Sungkyunkwan University | 1938 |
16 |
| Cubicpv Inc. | 122 |
14 |
| Dow Global Technologies LLC | 10332 |
13 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10912 |
13 |
| Korea Institute of Science and Technology | 2120 |
13 |
| Alliance for Sustainable Energy, LLC | 802 |
13 |
| Saint-Gobain Glass France | 3756 |
12 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6273 |
12 |
| Semiconductor Energy Laboratory Co., Ltd. | 11416 |
11 |
| Beijing Apollo Ding Rong Solar Technology Co., Ltd. | 189 |
11 |
| Other owners | 853 |