- All sections
- H - Electricity
- H03B - Generation of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching mannergeneration of noise by such circuits
- H03B 21/00 - Generation of oscillations by combining unmodulated signals of different frequencies
Patent holdings for IPC class H03B 21/00
Total number of patents in this class: 112
10-year publication summary
|
7
|
6
|
7
|
5
|
1
|
0
|
1
|
4
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nihon Dempa Kogyo Co., Ltd. | 251 |
7 |
| Xilinx, Inc. | 3991 |
5 |
| Intel Corporation | 47033 |
4 |
| Raytheon Company | 8387 |
4 |
| Seiko Epson Corporation | 19398 |
3 |
| MaxLinear Asia Singapore Private Limited | 106 |
3 |
| Apple Inc. | 55174 |
2 |
| Advanced Micro Devices, Inc. | 5686 |
2 |
| Harris Corporation | 1428 |
2 |
| MOSAID Technologies Incorporated | 535 |
2 |
| Georgia Tech Research Corporation | 2744 |
2 |
| BAE Systems Information and Electronic Systems Integration Inc. | 1839 |
2 |
| Integrated Device Technology, Inc. | 590 |
2 |
| Keysight Technologies, Inc. | 1200 |
2 |
| Microchip Technology Incorporated | 2870 |
2 |
| Microsemi Semiconductor ULC | 58 |
2 |
| Nanowave Technologies Inc. | 48 |
2 |
| ROHDE & Schwarz GmbH & Co. KG | 1941 |
2 |
| Second Sound LLC | 6 |
2 |
| Avago Technologies International Sales Pte. Limited | 8748 |
2 |
| Other owners | 58 |