- 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: 448
10-year publication summary
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1
|
2
|
1
|
0
|
0
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0
|
1
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0
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0
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Microsoft Corporation | 10009 |
58 |
| Intel Corporation | 47221 |
40 |
| Panasonic Corporation | 20036 |
25 |
| NEC Corporation | 36108 |
17 |
| Fujitsu Limited | 18087 |
11 |
| Hewlett-Packard Development Company, L.P. | 25776 |
10 |
| Sony Corporation | 30921 |
9 |
| Nokia Corporation | 5527 |
8 |
| Microsoft Technology Licensing, LLC | 53968 |
8 |
| McAfee, Inc. | 263 |
8 |
| Hitachi, Ltd. | 15588 |
7 |
| NTT DoCoMo, Inc. | 13342 |
7 |
| Irdeto Canada Corporation | 31 |
7 |
| Nippon Hoso Kyokai | 224 |
6 |
| Sony Computer Entertainment Inc. | 940 |
5 |
| International Business Machines Corporation | 61537 |
4 |
| Hitachi Software Engineering Co., Ltd. | 20 |
4 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6261 |
4 |
| Canon Kabushiki Kaisha | 7088 |
4 |
| Google Inc. | 4212 |
3 |
| Other owners | 203 |