LexDanaLexDanabeta
Inventor

Huali MA

Inventor
CN

Overview

1→
Patents
2025
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B22Fprimary
B22FWorking metallic powder25%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering25%
H01JElectric discharge tubes or discharge lamps25%
Y02PClimate change mitigation technologies in the production or processing of goods25%
PatentTitleYear
12,469,663Quasi-macroscopic cold cathode field emission electron gun and manufacturing method thereof2025

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025Patents assigned to UNIV ZHENGZHOU AERONAUTICS (1)· patent assignee history
2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV ZHENGZHOU AERONAUTICS12025
Locations
LocationPatentsSpan
CN12025