World Top Technology > Company Information > Patents/Certifications


Click on the image for a larger view !

ISO 9001


Certificate of New Excellent Product


Venture Business

Parts&Materials
Professional Business


INNO-BIZ
(Small&Medium
Business Administration)


Authentication of Merit

Member of Korea International Trade Association


Plant Registration


Research and development center certificate



Registration of New & Renewable Energy Company



Korea ECO-Label



Click on the image for a larger view !

Applied PAT No.0262043
Apparatus for switching polarity source voltage


PAT No. 0452766
Method for cryptographing information


PAT No. 0452767
Sine wave generation circuit and uninterruptible power supply system using the same


Patent No.3737815 Sine-wave Generation Circuit and Uninterruptible Power Supply System using the same in Japan



Patent No.261737
Cryptography Method of information


 

Patent No.US 7,148,586B2 Sine-wave Generation Circuit and Uninterruptible Power Supply System using the same in U.S.



Certificate of utility model registration No.0407384 Wireless inducement system by using photovoltaic module



Certificate of utility model registration No.0409698 Wireless inducement system for crosswalk by using photovoltaic module



Certificate of utility model registration No.20-0421264 Solar Street Light which is easy to install and repair


 

Certificate of utility model registration No.0389289 Solar Street Light system by using photovoltaic module and GPS


   

Certificate of utility model registration No.0399920 Solar Landscape Light by using photovoltaic module



Certificate of Design registration No.30-0420485 Filling-up Light(round type)



Certificate of Design registration No.0388053 Air Cleaner


 

Certificate of Design registration No.30-0420397 Filling-up Light(square type)



Certificate of Trademark registration No.0536453 Cypher Check Trade Mark


Certificate of Service mark registration No.0083554 Business to offer data. etc.



Certificate of Service mark registration No.0083555 Business to restore computer data. etc.



 

Untitled Document
Untitled Document