- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 31/0304 - Inorganic materials including, apart from doping materials or other impurities, only AIIIBV compounds
Patent holdings for IPC class H01L 31/0304
Total number of patents in this class: 1272
10-year publication summary
|
159
|
182
|
167
|
133
|
114
|
102
|
68
|
68
|
22
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 16331 |
56 |
| International Business Machines Corporation | 62634 |
47 |
| Azur Space Solar Power GmbH | 161 |
29 |
| Solaero Technologies Corp. | 220 |
29 |
| OSRAM OLED GmbH | 1392 |
24 |
| Utica Leaseco, LLC Assignee | 103 |
23 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48302 |
21 |
| The Boeing Company | 20160 |
20 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11123 |
20 |
| The Regents of the University of Michigan | 4985 |
18 |
| The Regents of the University of California | 20745 |
16 |
| Depuy Synthes Products, LLC | 2778 |
16 |
| Soitec | 1101 |
16 |
| Cactus Materials, Inc. | 30 |
15 |
| Samsung Electronics Co., Ltd. | 157719 |
14 |
| Raytheon Company | 8448 |
14 |
| Sensor Electronic Technology, Inc. | 466 |
14 |
| LG Electronics Inc. | 75694 |
12 |
| California Institute of Technology | 4040 |
12 |
| Nippon Telegraph and Telephone Corporation | 15924 |
12 |
| Other owners | 844 |