- All sections
- G - Physics
- G06F - Electric digital data processing
- G06F 21/22 - by restricting access to, or manipulation of, programmes or processes
Patent holdings for IPC class G06F 21/22
Total number of patents in this class: 496
10-year publication summary
|
1
|
2
|
1
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Microsoft Corporation | 10732 |
59 |
| Intel Corporation | 46153 |
40 |
| Panasonic Corporation | 20313 |
25 |
| Matsushita Electric Industrial Co., Ltd. | 2760 |
18 |
| NEC Corporation | 34467 |
17 |
| Sony Corporation | 31530 |
12 |
| Hewlett-Packard Development Company, L.P. | 27447 |
11 |
| Fujitsu Limited | 18401 |
11 |
| Nokia Corporation | 6149 |
8 |
| NTT DoCoMo, Inc. | 12305 |
8 |
| Microsoft Technology Licensing, LLC | 52911 |
8 |
| McAfee, Inc. | 272 |
8 |
| Hitachi, Ltd. | 15239 |
7 |
| Irdeto Canada Corporation | 29 |
7 |
| Nippon Hoso Kyokai | 214 |
6 |
| Sony Computer Entertainment Inc. | 1043 |
5 |
| Hitachi Software Engineering Co., Ltd. | 21 |
5 |
| Canon Kabushiki Kaisha | 6954 |
5 |
| International Business Machines Corporation | 60178 |
4 |
| Ricoh Company, Ltd. | 13222 |
4 |
| Other owners | 228 |