Dun Chi — 3 Patents at Unknown

Dun Chi has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 2018 and the most recent in December 2021. Dun Chi ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Dun Chi in Beijing, CN.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
11201331	Positive electrode material for lithium-sulfur battery, preparation method therefor, and applications thereof	Junping Yan	2021-12-14
10050269	Manufacturing a lead-acid battery that includes a composite that includes lead oxide and a nanomaterial	Yimin Chen	2018-08-14
10044037	Manufacturing a lead-acid battery that includes a composite that includes lead oxide and a nanomaterial	Yimin Chen	2018-08-07

Dun Chi — 3 Patents

Issued Patents All Time

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