- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 3/60 - Semi-automatic systems, i.e. systems in which the numerical selection of the outgoing line is under the control of an operator
Patent holdings for IPC class H04M 3/60
Total number of patents in this class: 19
10-year publication summary
|
1
|
0
|
5
|
5
|
3
|
1
|
2
|
1
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 38759 |
11 |
| NTT DoCoMo, Inc. | 11501 |
2 |
| salesforce.com, inc. | 5003 |
2 |
| NEC Corporation | 32703 |
1 |
| Hitachi, Ltd. | 16452 |
1 |
| VeriSign, Inc. | 523 |
1 |
| Successful Cultures, Inc | 11 |
1 |
| Other owners | 0 |