P

Inventor

HANG ZHIJIANG

US5 patents
⚠️ This page may combine multiple inventors who share the name “HANG ZHIJIANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

(unassigned)

3 patents
US6121603ASep 19, 2000

Optical confocal device having a common light directing means

87 citations96
US6882669B2Apr 19, 2005

High-power surface emitting laser and fabrication methods thereof

8 citations71
US6614825B1Sep 2, 2003

Monolithic VCSEL-based optical pickup and servo control device

8 citations71

NEW DIMENSION RES INSTR INC

1 patent
US6399936B1Jun 4, 2002

Optical confocal device having a common light directing means

NEW DIMENSION RES INSTR INC40 citations90

NEW DIMENSION RESEARCH & INSTR

1 patent
US6130873AOct 10, 2000

Optical pickup and servo control system for digital data storage

NEW DIMENSION RESEARCH & INSTR16 citations79