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Inventor

XIA FRANK ZHISHI

US6 patents
⚠️ This page may combine multiple inventors who share the name “XIA FRANK ZHISHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

(unassigned)

3 patents
US6343717B1Feb 5, 2002

Pre-filled disposable pipettes

97 citations96
US6551298B1Apr 22, 2003

Controlled medicament security enclosure system

141 citations94
US6139533AOct 31, 2000

Hypodermic needle capping device

19 citations78

AMPHASTAR PHARMACEUTICALS INC

3 patents
US6827479B1Dec 7, 2004

Uniform small particle homogenizer and homogenizing process

AMPHASTAR PHARMACEUTICALS INC34 citations91
US6457612B1Oct 1, 2002

Sealable and manipulable pre-filled disposable pipette

AMPHASTAR PHARMACEUTICALS INC38 citations91
US7219816B1May 22, 2007

Easily sealed and opened pre-filled, disposable pipette

AMPHASTAR PHARMACEUTICALS INC19 citations82