LexDanaLexDanabeta
Inventor

QI HAN

Inventor
CN

Overview

3→
Patents
2022–2025
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B23Bprimary
B23BTurning33%
B23CMilling33%
G01GWeighing33%
PatentTitleYear
12,226,837Groove cutter with chip breaker202511,846,539Method and system for measuring interference in a checkweighing device202311,311,949Indexable face milling cutting insert and face milling cutting head using the cutting insert2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2025Patents assigned to BEIJING WORLDIA DIAMOND TOOLS CO LTD (2)· patent assignee history
2022–2025Based in CN· patent location history
2023Patents assigned to METTLER TOLEDO CHANGZHOU MEASUREMENT TECHNOLOGY LTD (1)· patent assignee history
2023Patents assigned to METTLER TOLEDO CHANGZHOU PREC INSTRUMENTS LTD (1)· patent assignee history
2023Patents assigned to METTLER TOLEDO INT TRADING SHANGHAI CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BEIJING WORLDIA DIAMOND TOOLS CO LTD22022–2025
METTLER TOLEDO CHANGZHOU MEASUREMENT TECHNOLOGY LTD12023
METTLER TOLEDO CHANGZHOU PREC INSTRUMENTS LTD12023
METTLER TOLEDO INT TRADING SHANGHAI CO LTD12023
Locations
LocationPatentsSpan
CN32022–2025