- 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: 1320
10-year publication summary
|
138
|
159
|
182
|
167
|
134
|
114
|
108
|
81
|
86
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 15557 |
57 |
| International Business Machines Corporation | 61353 |
47 |
| Solaero Technologies Corp. | 220 |
33 |
| Azur Space Solar Power GmbH | 159 |
30 |
| OSRAM OLED GmbH | 1776 |
28 |
| Utica Leaseco, LLC Assignee | 103 |
23 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43064 |
22 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10930 |
22 |
| The Boeing Company | 20098 |
20 |
| The Regents of the University of Michigan | 4723 |
18 |
| The Regents of the University of California | 20015 |
17 |
| Depuy Synthes Products, LLC | 2800 |
16 |
| Soitec | 1019 |
16 |
| Sensor Electronic Technology, Inc. | 469 |
15 |
| Cactus Materials, Inc. | 29 |
15 |
| Samsung Electronics Co., Ltd. | 147131 |
14 |
| Raytheon Company | 8385 |
14 |
| California Institute of Technology | 3981 |
13 |
| Nippon Telegraph and Telephone Corporation | 17365 |
13 |
| South China University of Technology | 1792 |
13 |
| Other owners | 874 |