Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6411015 | Multiple piezoelectric transducer array | — | 2002-06-25 |
| 6411014 | Cylindrical transducer apparatus | — | 2002-06-25 |
| 6400065 | Omni-directional ultrasonic transducer apparatus and staking method | Kyung-Tae Park, Susan Huang Zaks, Jeffrey Swan | 2002-06-04 |
| 6342176 | Methods for molding resin-molded articles | Atsushi Goto, Akio Nakano, Tatsuo Yamada, Kenichi Furuta, Tetsuya Fujii | 2002-01-29 |
| 6321428 | Method of making a piezoelectric transducer having protuberances for transmitting acoustic energy | Kyung-Tae Park, Jeffrey Swan | 2001-11-27 |
| 6307302 | Ultrasonic transducer having impedance matching layer | — | 2001-10-23 |
| 6239535 | Omni-directional ultrasonic transducer apparatus having controlled frequency response | Kyung-Tae Park, Susan Huang Zaks, Jeffrey Swan | 2001-05-29 |
| 5673041 | Reflective mode ultrasonic touch sensitive switch | Joseph V. Chatigny, Kyung-Tae Park | 1997-09-30 |
| 5608692 | Multi-layer polymer electroacoustic transducer assembly | — | 1997-03-04 |
| 5515341 | Proximity sensor utilizing polymer piezoelectric film | Kyung-Tae Park, Albert Casciotti | 1996-05-07 |
| 5495137 | Proximity sensor utilizing polymer piezoelectric film with protective metal layer | Kyung-Tae Park | 1996-02-27 |
| 5483501 | Short distance ultrasonic distance meter | Kyung-Tae Park | 1996-01-09 |
| 5442592 | Ultrasonic distance meter | Kyung-Tae Park | 1995-08-15 |
| 5359250 | Bulk wave transponder | — | 1994-10-25 |
| 5321332 | Wideband ultrasonic transducer | — | 1994-06-14 |
| 5295014 | Two-dimensional laser beam scanner using PVDF bimorph | — | 1994-03-15 |
| 4942366 | Amplifier device with coupled surface emitting grating | — | 1990-07-17 |
| 4849981 | High frequency signal driver for a laser diode and method of forming same | — | 1989-07-18 |
| 4813047 | High frequency signal driver for a laser diode and method of forming same | — | 1989-03-14 |
| 4793679 | Optical coupling system | Gerard A. Alphonse | 1988-12-27 |
| 4705351 | Two lens optical package and method of making same | — | 1987-11-10 |
| 4678955 | Piezoelectric positioning device | — | 1987-07-07 |
| 4453242 | Surface acoustic wave cutterhead for disc recording having a circular transducer | — | 1984-06-05 |
| 4449563 | Counterbalance system for sagging rotating element | Susumu Osaka | 1984-05-22 |
| 4435920 | Shutter construction | Susumu Osaka | 1984-03-13 |