[Ⅰ. Patent Right Information]
 1.  Patent(97.  6.20) : Portable Radio-Frequency Terminal Antenna 
 2.  Patent(97.  9.26) : Transformer having thin plate coil and apparatus for manufacturing
                                the thin plate coil
 3.  Patent(98.  9.25) : DUAL-BAND ANTENNA FOR PORTABLE TELEPHONE
 4.  Patent(98.10.14) : ANTENNA FOR PORTABLE TELEPHONE
 5.  Patent(98.12.  5) : STACKED HELICAL ANTENNA
 6.  Registration of trademark : ENERTECH(Korea), China, Europe patent office
 7.  2 more international patent applicated

[Ⅱ. Plan of Developing Technology]
1. '98 Obtaining business right of receiving telecommunication key technology of M.I.C
    Result: Developed CDMA Retractable Antenna
 2. Digital Equipment related POWER SUPPLY, Development of manufacturing Fuzzy
    Equipment
 3. Development of Lithium-Ion Battery Protection circuit
 4. Electronic part of Telecommunication equipment
 5  Development of Li-ion battery protection circuit for camconder ; SONY Info style
 6. Development of various battery protection circuits for cellular
 7. Developed NOKIA 6100 series vibration motor protection circuit
 8. FRS, wired telephone items developed

[Ⅲ. Certifications]
CE, TUV, ISO9002