- 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: 375
10-year publication summary
|
22
|
25
|
23
|
24
|
22
|
18
|
7
|
10
|
10
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 20786 |
19 |
| Sumitomo Electric Industries, Ltd. | 14131 |
16 |
| Sony Corporation | 32931 |
13 |
| NEC Corporation | 32703 |
13 |
| Texas Instruments Incorporated | 19376 |
13 |
| Qualcomm Incorporated | 76576 |
10 |
| Texas Instruments Japan, Ltd. | 1656 |
10 |
| NXP B.V. | 2185 |
10 |
| Sony Semiconductor Solutions Corporation | 8770 |
8 |
| Mitsubishi Electric Corporation | 43934 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
7 |
| Analog Devices, Inc. | 3475 |
6 |
| Robert Bosch GmbH | 40953 |
5 |
| Denso Corporation | 23338 |
5 |
| Murata Manufacturing Co., Ltd. | 22355 |
5 |
| Rohm Co., Ltd. | 5843 |
5 |
| Widex A/S | 740 |
5 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
5 |
| Thales | 1854 |
5 |
| Samsung Electronics Co., Ltd. | 131630 |
4 |
| Other owners | 204 |