Hyung K. Zang — 2 Patents at Chevron

Hyung K. Zang has been granted 2 US patents while listed as an inventor at Chevron. The first was granted in 1982 and the most recent in October 1984. Hyung K. Zang ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Hyung K. Zang in Hopewell Junction, NY, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4476009	Process for improving the hydrogen donor properties of a coal liquefaction solvent	Erven J. Kuhlmann, Richard P. Guptill, Dick Y. Jung	1984-10-09	$15,886,000
4326948	Coal liquefaction	—	1982-04-27	$4,314,000