Inventor

CHAE YEON-SIK

KR3 patents

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

(unassigned)

2 patents

US6570956B1May 27, 2003

Searching system using X-ray and millimeter-wave signal

20 citations83

US6734528B2May 11, 2004

Transistor with pi-gate structure and method for producing the same

2 citations53

UNIV DONGGUK IND ACAD COOP

1 patent

US7336226B2Feb 26, 2008

Object identification system combined with millimeter-wave passive image system and global positioning system (GPS) for the blind

UNIV DONGGUK IND ACAD COOP56 citations92