YL

Yuan-Kai Liu

DM Del Monte: 3 patents #9 of 67Top 15%
AC Asia Optical Co.: 2 patents #110 of 366Top 35%
📍 Zhejiang, CA: #84 of 125 inventorsTop 70%
Overall (All Time): #688,719 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
D1094666 Sink table 2025-09-23
6798950 Instrument and method for aligning optical collimators Sheng-Jui Chao, Chih-Hsien Lin 2004-09-28
D469523 Basin 2003-01-28
6236504 Method and device for adjusting eye range by means of displacements of prisms and ocular lenses Po-Sung Kao, Hao Tu, Ming-Hung Wang 2001-05-22
4879127 Method of preserving produce for further processing Philip A. Kuhmichel, Fred G. Cordes, Wayman Ngai Man Wong 1989-11-07
4710388 Method for treating pineapples 1987-12-01
4614659 Method for treating pineapples 1986-09-30