- 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: 445
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 | 9901 |
58 |
| Intel Corporation | 46703 |
40 |
| Panasonic Corporation | 19985 |
25 |
| NEC Corporation | 36225 |
16 |
| Fujitsu Limited | 17674 |
11 |
| Hewlett-Packard Development Company, L.P. | 25611 |
10 |
| Sony Corporation | 30829 |
9 |
| Nokia Corporation | 5428 |
8 |
| Microsoft Technology Licensing, LLC | 54162 |
8 |
| McAfee, Inc. | 263 |
8 |
| Hitachi, Ltd. | 15632 |
7 |
| NTT DoCoMo, Inc. | 13559 |
7 |
| Irdeto Canada Corporation | 31 |
7 |
| Nippon Hoso Kyokai | 224 |
6 |
| Sony Computer Entertainment Inc. | 918 |
5 |
| International Business Machines Corporation | 61694 |
4 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6243 |
4 |
| Canon Kabushiki Kaisha | 7135 |
4 |
| Google Inc. | 4166 |
3 |
| Hitachi Software Engineering Co., Ltd. | 18 |
3 |
| Other owners | 202 |