Inventor

CHOI SANG OK

KR5 patents

⚠️ This page may combine multiple inventors who share the name “CHOI SANG OK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SKYCROSS INC

1 patent

US7245268B2Jul 17, 2007

Quadrifilar helical antenna

SKYCROSS INC28 citations90

SKY CROSS INC

1 patent

US7489281B2Feb 10, 2009

Quadrifilar helical antenna

SKY CROSS INC5 citations71

SAMSUNG ELECTRO MECH

1 patent

US7880353B2Feb 1, 2011

Spindle motor having holding magnet preventing oil discharge

SAMSUNG ELECTRO MECH2 citations61

KIM NAM SEOK

1 patent

US8084907B2Dec 27, 2011

Spindle motor having holding magnet preventing oil discharge

KIM NAM SEOK4 citations60

O'NEILL GREGORY A

1 patent

US7978148B2Jul 12, 2011

Quadrifilar helical antenna

O'NEILL GREGORY A1 citations52