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Inventor

Chun Li

Inventor
Akita, JP

Overview

4→
Patents
2013–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C22Bprimary
C22BProduction and refining of metals25%
Y02PClimate change mitigation technologies in the production or processing of goods25%
C07CAcyclic or carbocyclic compounds13%
C07DHeterocyclic compounds13%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium13%
LOC1413%
PatentTitleYear
D0896215Mobile phone holder20208,557,020'Compound, metal extractant, and application of the same'20138,500,846'Rare metal extractant'20138,466,324'Sulfone compound'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013Patents assigned to HAMADA FUMIO (2)· patent assignee history
2013Patents assigned to KONDO YOSHIHIKO (2)· patent assignee history
2013Patents assigned to LI CHUN-BIN (2)· patent assignee history
2013Patents assigned to UNIV AKITA (2)· patent assignee history
2013Patents assigned to DOWA HOLDINGS CO LTD (1)· patent assignee history
2013Based in Akita, JP· patent location history
2013Based in Hyogo, JP· patent location history
2020Based in Shenzhen, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HAMADA FUMIO22013
KONDO YOSHIHIKO22013
LI CHUN-BINself22013
UNIV AKITA22013
DOWA HOLDINGS CO LTD12013
Locations
LocationPatentsSpan
Akita, JP22013
Shenzhen, CN12020
Hyogo, JP12013