Won Jun Chang — 9 Patents at Sap Se

Won Jun Chang has been granted 9 US patents while listed as an inventor at Sap Se. The first was granted in 2023 and the most recent in November 2025. Won Jun Chang ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Won Jun Chang in Seoul, KR.

Patents per Year

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12475123	Proactive query plan compilation	Jaehyok Chong, Youngbin Bok	2025-11-18
12399897	Statement hint with database objects	Jaehyok Chong	2025-08-26
12249719	Electrode structure comprising potential sheath for secondary battery and fabrication method therefor	Won-il Park	2025-03-11
11989180	Proactive query plan compilation	Jaehyok Chong, Youngbin Bok	2024-05-21	$7,560,000
11907217	Database object validation for reusing captured query plans	Youngbin Bok, Jaehyok Chong	2024-02-20	$2,800,000
11907215	Staged query compilation with common data structure	Jaehyok Chong, Sungguk Lim, Youngbin Bok, Heesik Shin, Kijoong Kim	2024-02-20	$2,800,000
11748349	Customizable filtering for query plan stability in database systems using abstract query plans	Jaehyok Chong, Sungguk Lim, Youngbin Bok	2023-09-05	$4,099,000
11688856	Electrode structure comprising potential sheath for secondary battery and fabrication method therefor	Won II Park	2023-06-27
11556538	Query plan migration in database systems	Youngbin Bok, Jaehyok Chong, Sungguk Lim	2023-01-17	$1,753,000

Won Jun Chang — 9 Patents

Patents per Year

Issued Patents All Time

Patent Widget