- All sections
- H - Electricity
- H03M - Coding, decoding or code conversion, in general
- H03M 3/02 - Delta modulation, i.e. one-bit differential modulation
Patent holdings for IPC class H03M 3/02
Total number of patents in this class: 363
10-year publication summary
|
22
|
24
|
21
|
18
|
7
|
10
|
12
|
9
|
8
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 19786 |
19 |
| Sumitomo Electric Industries, Ltd. | 16061 |
16 |
| Texas Instruments Incorporated | 19614 |
14 |
| NEC Corporation | 36566 |
13 |
| Sony Corporation | 30461 |
12 |
| Qualcomm Incorporated | 89928 |
10 |
| Texas Instruments Japan, Ltd. | 1656 |
10 |
| Denso Corporation | 25132 |
9 |
| Mitsubishi Electric Corporation | 47522 |
8 |
| Sony Semiconductor Solutions Corporation | 11176 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 33401 |
7 |
| Mitsumi Electric Co., Ltd. | 1085 |
7 |
| NXP B.V. | 1574 |
6 |
| Samsung Electronics Co., Ltd. | 153093 |
5 |
| Murata Manufacturing Co., Ltd. | 25464 |
5 |
| Analog Devices, Inc. | 3344 |
5 |
| Widex A/S | 729 |
5 |
| Telefonaktiebolaget LM Ericsson (publ) | 28612 |
5 |
| Thales | 1762 |
5 |
| Robert Bosch GmbH | 43500 |
4 |
| Other owners | 190 |