- 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: 526
10-year publication summary
|
5
|
1
|
2
|
1
|
0
|
0
|
0
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Microsoft Corporation | 10954 |
59 |
| Intel Corporation | 45621 |
41 |
| Panasonic Corporation | 20786 |
25 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
19 |
| NEC Corporation | 32703 |
17 |
| Sony Corporation | 32931 |
12 |
| Hewlett-Packard Development Company, L.P. | 28538 |
11 |
| Fujitsu Limited | 19265 |
11 |
| Nokia Corporation | 6965 |
9 |
| NTT DoCoMo, Inc. | 11501 |
9 |
| Microsoft Technology Licensing, LLC | 51439 |
9 |
| McAfee, Inc. | 273 |
8 |
| Hitachi, Ltd. | 16452 |
7 |
| Irdeto Canada Corporation | 31 |
7 |
| Nippon Hoso Kyokai | 203 |
6 |
| Canon Kabushiki Kaisha | 6884 |
6 |
| Sony Computer Entertainment Inc. | 1177 |
5 |
| Hitachi Software Engineering Co., Ltd. | 22 |
5 |
| Ricoh Company, Ltd. | 13266 |
5 |
| Adobe Inc. | 6700 |
5 |
| Other owners | 250 |