| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 5 | |
| #2 | China | 4 | |
| #3 | Japan | 4 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Telecommunications | |
| #3 | Electrical machinery and energy | |
| #4 | Digital networks |
| # | Technology | |
|---|---|---|
| #1 | Resonators | |
| #2 | Transmission | |
| #3 | Magnets and transformers | |
| #4 | Digital information transmission | |
| #5 | Waveguides |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kameya Masaaki | 15 |
| #2 | Kametani Masaaki | 4 |
| Publication | Filing date | Title |
|---|---|---|
| WO2017126002A1 | Common mode filter | |
| CN106464225A | Common mode filter | |
| JP2015115787A | Passive equalizer | |
| JP2014135674A | Common mode filter | |
| CN104541484A | Passive equalizer | |
| JP2013055513A | Differential delay line and common mode filter | |
| WO2012140732A1 | Ultra-high frequency differential circuit | |
| JP2012151589A | Terminal structure of chip type electronic component | |
| WO2012090260A1 | Differential delay line and common mode filter | |
| CN102474235A | Common mode filter | |
| EP2405573A1 | Common mode filter |