Hongjun Cha — 4 Patents at Sl | Patent Leaderboard

Hongjun Cha has been granted 4 US patents while listed as an inventor at Sl. The first was granted in 2020 and the most recent in October 2021. Hongjun Cha ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Hongjun Cha in Daegu, KR.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
11143296	Automotive transmission	—	2021-10-12
10920880	Automotive transmission	—	2021-02-16
10801610	Automotive transmission	—	2020-10-13
10718430	Transmission apparatus and transmission system	—	2020-07-21

Hongjun Cha — 4 Patents

Issued Patents All Time

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