Issued Patents 2018
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10149030 | Microphone | — | 2018-12-04 |
| 10123130 | Diaphragm, electroacoustic transducer, and electroacoustic transducer apparatus | — | 2018-11-06 |
| 10075781 | Microphone | — | 2018-09-11 |
| 10021490 | Microphone | — | 2018-07-10 |
| 10021481 | Microphone joint | — | 2018-07-10 |
| 10021471 | Acoustic tube and narrow directional microphone using the same | — | 2018-07-10 |
| 10015587 | Dynamic microphone | — | 2018-07-03 |
| 9992578 | Unidirectional dynamic microphone unit | Tatsuya Ikeda | 2018-06-05 |
| 9980039 | Unidirectional microphone | — | 2018-05-22 |
| 9967678 | Unidirectional condenser microphone unit, unidirectional condenser microphone, and method of manufacturing unidirectional condenser microphone unit | — | 2018-05-08 |
| 9949019 | Microphone | — | 2018-04-17 |
| 9942653 | Narrow-angle directional microphone | — | 2018-04-10 |
| 9936288 | Narrow-angle directional microphone and method of manufacturing the same | — | 2018-04-03 |
| 9893691 | Impedance converter and condenser microphone | — | 2018-02-13 |
| 9877113 | Condenser microphone unit and condenser microphone | — | 2018-01-23 |
| 9872096 | Boundary microphone | — | 2018-01-16 |