Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12391546 | Method of making acoustic devices with directional reinforcement | Rakesh Kumar, Guofeng Chen, Myeong Gweon Gu, Myung Hyun Park, Jae Hyung Lee +1 more | 2025-08-19 |
| 12330189 | Interconnection for monolithically integrated stacked devices and methods of forming thereof | Rakesh Kumar | 2025-06-17 |
| 12335687 | Piezoelectric MEMS microphone with cantilevered separation | Rakesh Kumar, Guofeng Chen | 2025-06-17 |
| 12328559 | Acoustic devices with improved sensitivity | Guofeng Chen, Michael Jon Wurtz, Rakesh Kumar, Humberto Campanella-Pineda | 2025-06-10 |
| 12329033 | Piezoelectric sensor with increased sensitivity and devices having the same | Humberto Campanella-Pineda, Guofeng Chen, Rakesh Kumar | 2025-06-10 |
| 12302063 | Acoustic device with connected cantilever | Rakesh Kumar, Guofeng Chen | 2025-05-13 |
| 12297100 | Electronic acoustic devices, MEMS microphones, and equalization methods | Humberto Campanella-Pineda, Michael Jon Wurtz, Rakesh Kumar, Guofeng Chen | 2025-05-13 |
| 12273680 | Co-located microelectromechanical system microphone and sensor with minimal acoustic coupling | Humberto Campanella-Pineda, Michael Jon Wurtz, Guofeng Chen, Rakesh Kumar | 2025-04-08 |
| 12225821 | Method of making acoustic devices with edge corrugation | Rakesh Kumar, Guofeng Chen, Myeong Gweon Gu, Myung Hyun Park, Jae Hyung Lee +1 more | 2025-02-11 |
| 12219333 | Method of manufacturing acoustic devices with improved sensitivity | Guofeng Chen, Michael Jon Wurtz, Rakesh Kumar, Humberto Campanella-Pineda | 2025-02-04 |
| 12185055 | Multi-cavity packaging for microelectromechanical system microphones | Guofeng Chen, Rakesh Kumar, Michael Jon Wurtz, Humberto Campanella-Pineda | 2024-12-31 |
| 12101601 | Piezoelectric microelectromechanical system microphone with optimized output capacitance | Guofeng Chen, Rakesh Kumar, Michael Jon Wurtz, Humberto Campanella-Pineda | 2024-09-24 |
| 12037239 | Method for producing monolithic integration of piezoelectric micromachined ultrasonic transducers and CMOS | Humberto Campanella-Pineda, Rakesh Kumar | 2024-07-16 |
| 11988600 | Gas sensor MEMS structures and methods of fabrication thereof | Enrico Macrelli, Massimo Alioto, Chengkuo Lee, Costas J. Spanos | 2024-05-21 |
| 11979712 | Extension structures in piezoelectric microelectromechanical system microphones | Rakesh Kumar, Guofeng Chen | 2024-05-07 |
| 11890643 | Piezoelectric micromachined ultrasonic transducer and method of fabricating the same | Joan Josep Giner De Haro, Rakesh Kumar, Jia Jie Xia | 2024-02-06 |
| 11818540 | Acoustic devices with edge corrugation | Rakesh Kumar, Guofeng Chen, Myeong Gweon Gu, Myung Hyun Park, Jae Hyung Lee +1 more | 2023-11-14 |
| 11811390 | Resonator devices and methods of fabricating resonator devices | Humberto Campanella Pineda, Rakesh Kumar | 2023-11-07 |
| 11785852 | Microphone device with single crystal piezoelectric film and method of forming the same | Joan Josep Giner De Haro, Rakesh Kumar | 2023-10-10 |
| 11759823 | Piezoelectric micromachined ultrasonic transducer and method of fabricating the same | Rakesh Kumar, Jia Jie Xia | 2023-09-19 |
| 11716576 | Dummy electrodes for performance improvement of piezoelectric microelectromechanical system microphones | Guofeng Chen, Rakesh Kumar, Michael Jon Wurtz, Humberto Campanella-Pineda | 2023-08-01 |
| 11706987 | Semiconductor device and method of forming a semiconductor device | Joan Josep Giner De Haro, Rakesh Kumar | 2023-07-18 |
| 11549913 | Shear-mode chemical/physical sensor for liquid environment sensing and method for producing the same | Humberto Campanella-Pineda, Vibhor Jain, Anthony K. Stamper, Rakesh Kumar | 2023-01-10 |
| 11527700 | Microphone device with single crystal piezoelectric film and method of forming the same | Joan Josep Giner De Haro, Rakesh Kumar | 2022-12-13 |
| 11498097 | Piezoelectric micromachined ultrasonic transducer and method of fabricating the same | Rakesh Kumar, Jia Jie Xia | 2022-11-15 |