Introduction > Certification

 

 

 

<ISO 9001>

<Single PPM>

<QS-9000>

<Venture Business>

<INNO-BIZ Business>


 

Letters patent

Dae Heung bobbin acquired letter patent

No.

Contents

Classfication

Registration Of Designs

Title & Patent

Application No.

Application Date

Registration Date

Authorized

1

Registration

Of Designs

027809

Bobbin for      transforma

2000-0015999

21, 06, 2000

24, 05, 2001

Jee Chung-Sik (Dae Heung President)

2

Practical        new Device

0203632

Bobbin for      transforma

2000-0017591

21, 06, 2000

06, 09, 2000

Jee Chung-Sik (Dae Heung President)

3

Practical        new Device

0203633

Bobbin for      transforma

2000-0017592

21, 06, 2000

06, 09, 2000

Jee Chung-Sik (Dae Heung President)

4

Patent

0344005

Screw type Ferrite core to control inductance of coil

1999-0033367

13, 08, 1999

28, 06, 2002

Dae Heung    Bobbin Co.,LTD

5

Patent

0366692

Circuit Board

1999-0033368

13, 08, 1999

17, 12, 2002

Dae Heung    Bobbin Co.,LTD