Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8045735 | Ultrasonic transducer and ultrasonic speaker using the same | Kinya Matsuzawa, Yoshiki Fukui, Shinichi Miyazaki | 2011-10-25 |
| 8009846 | Ultrasonic speaker and projector | Kinya Matsuzawa, Yoshiki Fukui, Shinichi Miyazaki | 2011-08-30 |
| 7949143 | Ultrasonic transducer, ultrasonic speaker, acoustic system, and control method of ultrasonic transducer | Kinya Matsuzawa | 2011-05-24 |
| 7881489 | Ultrasonic transducer and ultrasonic speaker using the same | Kinya Matsuzawa, Yoshiki Fukui, Shinichi Miyazaki | 2011-02-01 |