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Inventor

Sanwen Qi

Inventor
Taiyuan, CN

Overview

1→
Patents
2008
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

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

C21Dprimary
C21DModifying the physical structure of ferrous metals50%
H01FMagnets50%
PatentTitleYear
7,377,985'Temper process of sintered Nd-Fe-B permanent magnet'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008Patents assigned to SHANXI HUIQIANG MAGNETIC MATER (1)· patent assignee history
2008Based in Taiyuan, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHANXI HUIQIANG MAGNETIC MATER12008
Locations
LocationPatentsSpan
Taiyuan, CN12008