- All sections
- H - Electricity
- H04Q - Selecting
- H04Q 3/42 - Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
Patent holdings for IPC class H04Q 3/42
Total number of patents in this class: 21
10-year publication summary
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0
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1
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0
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0
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1
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2
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1
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Platforms, Ltd. | 1067 |
3 |
| Nippon Telegraph and Telephone Corporation | 15961 |
2 |
| Mitel Networks Corporation | 61 |
2 |
| Research In Motion Limited | 1410 |
1 |
| International Business Machines Corporation | 62279 |
1 |
| NTT DoCoMo, Inc. | 14365 |
1 |
| Inventec Corporation | 954 |
1 |
| BCE Inc. | 342 |
1 |
| Broadview Networks Inc. | 5 |
1 |
| The Chamberlain Group, Inc. | 122 |
1 |
| Guangdong Broadradio Communication Technology Co., Ltd. | 19 |
1 |
| Inventec (Pudong) Technology Corporation | 749 |
1 |
| Nanoport Technology Inc. | 45 |
1 |
| NEC Infrontia Corporation | 57 |
1 |
| TeleCommunication Systems, Inc. | 222 |
1 |
| Li, Hsueh-jyh | 1 |
1 |
| Bending Spoons Operations S.P.A | 1 |
1 |
| Other owners | 0 |