Chih-Ming Ko — 4 Patents at Powertech Technology

Chih-Ming Ko has been granted 4 US patents while listed as an inventor at Powertech Technology. The first was granted in 2012 and the most recent in November 2025. Chih-Ming Ko ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Chih-Ming Ko in Hengshan, TW.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
12466979	CMP composition including anionic and cationic inhibitors	Hsing-Yu Wu, Jing-Wun Jhang	2025-11-11
9991206	Package method including forming electrical paths through a mold layer	LIEN CHIA CHANG, Hung-Hsin Hsu	2018-06-05
8237273	Metal post chip connecting device and method free to use soldering material	Hung-Hsin Hsu	2012-08-07
8115319	Flip chip package maintaining alignment during soldering	Hung-Hsin Hsu	2012-02-14

Chih-Ming Ko — 4 Patents

Issued Patents All Time

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