- All sections
- H - Electricity
- H03L - Automatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses
- H03L 1/04 - Constructional details for maintaining temperature constant
Patent holdings for IPC class H03L 1/04
Total number of patents in this class: 178
10-year publication summary
|
14
|
40
|
19
|
34
|
12
|
8
|
6
|
10
|
3
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 19425 |
63 |
| Nihon Dempa Kogyo Co., Ltd. | 251 |
16 |
| Microchip Technology Incorporated | 2881 |
10 |
| CTS Corporation | 269 |
6 |
| Advanced Semiconductor Engineering, Inc. | 1660 |
5 |
| Murata Manufacturing Co., Ltd. | 24621 |
4 |
| Greenray Industries, Inc. | 14 |
4 |
| Guangdong Dapu Telecom Technology Co., Ltd. | 18 |
4 |
| Rakon Limited | 24 |
4 |
| Txc Corporation | 25 |
4 |
| Lapis Semiconductor Co., Ltd. | 879 |
3 |
| Samsung Electronics Co., Ltd. | 147003 |
2 |
| Qualcomm Incorporated | 85914 |
2 |
| Xerox Corporation | 6999 |
2 |
| Realtek Semiconductor Corp. | 3296 |
2 |
| Asahi Kasei Microdevices Corporation | 537 |
2 |
| Daishinku Corporation | 242 |
2 |
| Tikitin Oy | 6 |
2 |
| Ecole Nationale Superieure de Mecanique et des Microtechniques - Ensmm | 6 |
2 |
| The Boeing Company | 20090 |
1 |
| Other owners | 38 |