Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7284432 | Acceleration sensitive switch | Francis Eng Hock Tay | 2007-10-23 |
| 6563238 | Comb structure using magnetic force and actuator and inertia sensor both using the comb structure | Jae-Joon Choi, Hee-moon Jeong | 2003-05-13 |
| 6483917 | Telephone with a receiver arousing bone-conduction and air-conduction hearing | Kyeong Ok Kang, Jin Woo Hong, Hee Soo Kim | 2002-11-19 |
| 6308573 | 3-Dimensional comb structure and actuator and inertia detection sensor both using the comb structure | Jae-Joon Choi, Hee-moon Jeong, Kyu-yong Kim, Sung-gyu Kang | 2001-10-30 |
| 6277712 | Multilayered wafer with thick sacrificial layer using porous silicon or porous silicon oxide and fabrication method thereof | Sung-gyu Kang, Jae-Joon Choi, Hee-moon Jeong | 2001-08-21 |
| 6144545 | Microactuator and method for controlling resonant frequency thereof | Ci-moo Song, Young-Ho Cho | 2000-11-07 |
| 5804087 | Method of adjusting natural frequency of dual-axis vibratory structure | Young-Ho Cho, Ci-moo Song | 1998-09-08 |
| 5780740 | Vibratory structure, method for controlling natural frequency thereof, and actuator, sensor, accelerator, gyroscope and gyroscope natural frequency controlling method using vibratory structure | Byung-leul Lee, Young-Ho Cho, Ci-moo Song | 1998-07-14 |
| 5780948 | Vibratory structure, method for controlling natural frequency thereof and sensor and actuator adopting the vibratory structure | Young-Ho Cho, Ci-moo Song | 1998-07-14 |
| 5548313 | Inkjet printing head | — | 1996-08-20 |