Inventor

HA DA

CN4 patents

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

(unassigned)

1 patent

US6106458AAug 22, 2000

Anesthetic laryngoscope with manual controlled oxygen ejection means

38 citations84

Shu ni

1 patent

US10517474B2Dec 31, 2019

Ventilatory laryngoscope with disposable laryngoscope lens

Shu ni2 citations58

UNIV TAIYUAN TECHNOLOGY

1 patent

US12370592B1Jul 29, 2025

Convexity adjusting mechanism for working roll of straightening machine

UNIV TAIYUAN TECHNOLOGY0 citations44

Ao hushan

1 patent

US12239297B2Mar 4, 2025

Video laryngoscope with guided decontamination device

Ao hushan0 citations35