Kijeong Han — 7 Patents at Wolfspeed

Kijeong Han has been granted 7 US patents while listed as an inventor at Wolfspeed. The first was granted in 2014 and the most recent in September 2024. Kijeong Han ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Kijeong Han in Daejeon, NC, KR.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12087854	Vertical semiconductor device with improved ruggedness	Daniel Jenner Lichtenwalner, Sei-Hyung Ryu, Edward Robert Van Brunt	2024-09-10	$9,201,000
12074079	Wide bandgap semiconductor device with sensor element	Joohyung Kim, Sei-Hyung Ryu, Thomas E. Harrington, III, Edward Robert Van Brunt	2024-08-27	$13,030,000
11990543	Power transistor with soft recovery body diode	Sei-Hyung Ryu, Daniel Jenner Lichtenwalner	2024-05-21	$53,793,000
11843061	Power silicon carbide based semiconductor devices with improved short circuit capabilities and methods of making such devices	Joohyung Kim, Sei-Hyung Ryu	2023-12-12	$20,312,000
11769827	Power transistor with soft recovery body diode	Sei-Hyung Ryu, Daniel Jenner Lichtenwalner	2023-09-26	$23,073,000
11489069	Vertical semiconductor device with improved ruggedness	Daniel Jenner Lichtenwalner, Sei-Hyung Ryu, Edward Robert Van Brunt	2022-11-01	$70,679,000
8653224	Resin composition for manufacturing thermoplastic polyester resin by using green catalyst	Soomin Lee, Sanghyun Park, Joongeun Jung, Sungmin Hong, Yunbae Kook +1 more	2014-02-18

Kijeong Han — 7 Patents

Issued Patents All Time

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