Inventor

KOH YEON WAN

KR4 patents

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

DONAM SYSTEMS INC

3 patents

US6233371B1May 15, 2001

Optical fiber polarization controller

DONAM SYSTEMS INC33 citations87

US6266456B1Jul 24, 2001

Optical fiber polarization scrambler and operating parameter input method therefor

DONAM SYSTEMS INC14 citations70

US6657709B2Dec 2, 2003

Apparatus and method for measuring polarization-dependent loss using repeated high speed polarization scrambling

DONAM SYSTEMS INC3 citations60

ULTRABAND FIBER OPTICS INC

1 patent

US6621968B1Sep 16, 2003

Optical fiber for broadband optical devices and optical fiber devices using thereof

ULTRABAND FIBER OPTICS INC5 citations56