Inventor

Longtu Li

Inventor
Beijing, CN

Overview

3→
Patents
2004–2016
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C04Bprimary
C04BLime, magnesia25%
C01GCompounds containing metals not covered by subclasses c01d or c01f17%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds17%
H01FMagnets17%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%
B82YSpecific uses or applications of nanostructures8%
H01GCapacitors8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2016Patents assigned to UNIV TSINGHUA (2)· patent assignee history
2004Patents assigned to TSINGHUA TONGFANG CO LTD (1)· patent assignee history
2004–2016Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV TSINGHUA22004–2016
TSINGHUA TONGFANG CO LTD12004
Locations
LocationPatentsSpan
Beijing, CN32004–2016