Inventor

HONG JONG-SU

KR2 patents

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

RINGFREE INTERNAT CORP

1 patent

US7224788B1May 29, 2007

Method and device for generating voice/text/image commercial information ringback tone during communication wait

RINGFREE INTERNAT CORP55 citations80

SAMSUNG GENERAL CHEMICALS CO

1 patent

US6780914B2Aug 24, 2004

Flame retardant polypropylene resin composition

SAMSUNG GENERAL CHEMICALS CO1 citations47