- 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: 370
10-year publication summary
|
25
|
23
|
24
|
22
|
18
|
7
|
10
|
12
|
8
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 20313 |
19 |
| Sumitomo Electric Industries, Ltd. | 14990 |
16 |
| NEC Corporation | 34467 |
13 |
| Sony Corporation | 31530 |
12 |
| Texas Instruments Incorporated | 19447 |
12 |
| Qualcomm Incorporated | 82009 |
10 |
| Texas Instruments Japan, Ltd. | 1656 |
10 |
| NXP B.V. | 2157 |
10 |
| Mitsubishi Electric Corporation | 44904 |
8 |
| Sony Semiconductor Solutions Corporation | 9741 |
8 |
| Denso Corporation | 23803 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 29800 |
7 |
| Murata Manufacturing Co., Ltd. | 23743 |
5 |
| Analog Devices, Inc. | 3423 |
5 |
| Widex A/S | 766 |
5 |
| Telefonaktiebolaget LM Ericsson (publ) | 27426 |
5 |
| Thales | 1838 |
5 |
| Samsung Electronics Co., Ltd. | 139302 |
4 |
| Robert Bosch GmbH | 41823 |
4 |
| Cirrus Logic, Inc. | 1747 |
4 |
| Other owners | 201 |