- All sections
- H - Electricity
- H03B - Generation of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner; generation of noise by such circuits
- H03B 7/08 - Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance active element being semiconductor device being a tunnel diode
Patent holdings for IPC class H03B 7/08
Total number of patents in this class: 88
10-year publication summary
|
8
|
4
|
2
|
3
|
9
|
15
|
14
|
11
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 38071 |
28 |
| Rohm Co., Ltd. | 6314 |
18 |
| Canon Kabushiki Kaisha | 6939 |
16 |
| Pioneer Corporation | 4650 |
6 |
| Tokyo Institute of Technology | 1389 |
5 |
| Fujitsu Limited | 18419 |
2 |
| Acconeer AB | 24 |
2 |
| Osaka University | 3293 |
2 |
| Seiko Epson Corporation | 18975 |
1 |
| Cisco Technology, Inc. | 19312 |
1 |
| Electronics and Telecommunications Research Institute | 9003 |
1 |
| Nokia Solutions And Networks Oy | 6213 |
1 |
| Georgia Tech Research Corporation | 2601 |
1 |
| Suez Environnement | 36 |
1 |
| Technische Universitat Darmstadt | 263 |
1 |
| UACJ Corporation | 666 |
1 |
| Sony Group Corporation | 12575 |
1 |
| Other owners | 0 |