Inventor

HONGBIN CAI

Inventor

Overview

2→

Patents

2025

Patent span

Physics

Primary field (CPC G)

Patents· 2 as inventor

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

A61Cprimary

A61CDentistry20%

E01BPermanent way20%

G06FElectric digital data processing20%

G06TImage data processing or generation, in general20%

G16HHealthcare informatics, i.e. information and communication technology [ict] specially adapted for the handling or processing of medical or healthcare data20%

PatentTitleYear

12,419,724Oral digital impression instrument, digital model for the same, and intelligent method of making and/or using the same2025 12,392,092Device and construction method for automatically placing high-speed railway steel rail laying tie plate2025

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025Patents assigned to CHENGDU BESMILE MEDICAL TECH CORP LTD (1)· patent assignee history

2025Patents assigned to CHINA RAILWAY FIRST GROUP CO (1)· patent assignee history

2025Patents assigned to CHINA RAILWAY FIRST GROUP XINYUN ENG CO LTD (1)· patent assignee history

2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CHENGDU BESMILE MEDICAL TECH CORP LTD	1	2025
CHINA RAILWAY FIRST GROUP CO	1	2025
CHINA RAILWAY FIRST GROUP XINYUN ENG CO LTD	1	2025

Locations

Location	Patents	Span
CN	2	2025