- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 7/42 - involving differential modulation
Patent holdings for IPC class H04N 7/42
Total number of patents in this class: 4
10-year publication summary
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ricoh Company, Ltd. | 13342 |
1 |
| MK Systems US Holdco Inc. | 46 |
1 |
| MK Systems US Sub-holdco Inc. | 46 |
1 |
| MK Systems USA Inc. | 97 |
1 |
| Other owners | 0 |