Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12225954 | Porous sound absorber acoustic face mask apparatus | — | 2025-02-18 |
| 11295759 | Method and apparatus for measuring distortion and muffling of speech by a face mask | — | 2022-04-05 |
| 11019859 | Acoustic face mask apparatus | — | 2021-06-01 |
| 9437116 | System for subglottal pressure measurement and display during speech | — | 2016-09-06 |
| 8457965 | Method for the correction of measured values of vowel nasalance | — | 2013-06-04 |
| 8423368 | Biofeedback system for correction of nasality | — | 2013-04-16 |
| 6850882 | System for measuring velar function during speech | — | 2005-02-01 |
| 6358055 | Method and apparatus for teaching prosodic features of speech | — | 2002-03-19 |
| 6358054 | Method and apparatus for teaching prosodic features of speech | — | 2002-03-19 |
| 6134529 | Speech recognition apparatus and method for learning | — | 2000-10-17 |
| 6109923 | Method and apparatus for teaching prosodic features of speech | — | 2000-08-29 |
| 5717828 | Speech recognition apparatus and method for learning | — | 1998-02-10 |
| 5454375 | Pneumotachograph mask or mouthpiece coupling element for airflow measurement during speech or singing | — | 1995-10-03 |
| 4909261 | Tracking multielectrode electroglottograph | — | 1990-03-20 |
| 4862503 | Voice parameter extractor using oral airflow | — | 1989-08-29 |