Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12208417 | Flat-plate focusing ultrasonic transducer and acoustic lens which are composed of annular array piezoelectric element, and methods of manufacturing and designing thereof | Yong Tae Kim, Sung Mok Kim, Hyung-Jin Lee, Il Doh | 2025-01-28 |
| 11437013 | Ultra-thin acoustic lens for subwavelength focusing in megasonic range, and design method therefor | Jae-yub Hyun, Yong Tae Kim, Il Doh, Bong Young Ahn, Se Hwa Kim | 2022-09-06 |
| 10337911 | Method for measuring vibration displacement using state variation principle | Wan Sup Cheung | 2019-07-02 |
| 9711132 | Focusing ultrasonic transducer to which acoustic lens using Fresnel zone plate is applied and method for manufacturing focusing ultrasonic transducer | Yong Tae Kim, Il Doh, Se Hwa Kim | 2017-07-18 |