Directional coupler
US-9843085-B2 · Dec 12, 2017 · US
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Katabuchi Keisuke patents
Katabuchi Keisuke is listed as an inventor on 10 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Katabuchi Keisuke |
| Total patents | 10 |
| First publication | Apr 23, 2015 |
| Latest publication | Dec 12, 2017 |
Notable patents
Publications ranked by popularity score, then publication date.
Variable-frequency resonance circuit and variable-frequency filter
US-9722567-B2 · Aug 1, 2017 · US
Directional coupler
US-9685688-B2 · Jun 20, 2017 · US
Directional coupler
US-2017084979-A1 · Mar 23, 2017 · US
Directional coupler
US-9543632-B2 · Jan 10, 2017 · US
Directional coupler
US-9444127-B2 · Sep 13, 2016 · US
Directional coupler
US-2016028144-A1 · Jan 28, 2016 · US
Directional coupler
US-2016028145-A1 · Jan 28, 2016 · US
Variable-frequency resonance circuit and variable-frequency filter
US-2015162888-A1 · Jun 11, 2015 · US
Directional coupler
US-2015109069-A1 · Apr 23, 2015 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Murata Manufacturing Co | 11 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H01P5/184 | 8 |
| H01P5/187 | 6 |
| H01P5/18 | 4 |
| H01P5/185 | 4 |
| H03H7/0115 | 2 |