Inventor · disambiguated record
Yuan-Kai Liu
Also filed as: LIU YUAN · LIU YUAN K · LIU YUAN-KAI
7 granted patents·90 citations·filing 1985–2024
84Inventor score
Files withDEL MONTE CORP3ASIA OPTICAL CO INC2CHAANG HSIIEN ENTPR CO LTD1NINGBO LUHAI BOSHENG LEISURE PRODUCTS CO LTD1
Top patents by PatentIndex Score
7 records- 0186US6236504B1Method and device for adjusting eye range by means of displacements of prisms and ocular lensesASIA OPTICAL CO INC·Filed 2000·Granted May 22, 2001·40 cites·7 claims
- 0250US6798950B2Instrument and method for aligning optical collimatorsASIA OPTICAL CO INC·Filed 2002·Granted Sep 28, 2004·3 cites·13 claims
- 0349US4879127AMethod of preserving produce for further processingDEL MONTE CORP·Filed 1988·Granted Nov 7, 1989·19 cites·11 claims
- 0445US4710388AMethod for treating pineapplesDEL MONTE CORP·Filed 1986·Granted Dec 1, 1987·13 cites·4 claims
- 0544US4614659AMethod for treating pineapplesDEL MONTE CORP·Filed 1985·Granted Sep 30, 1986·12 cites·12 claims
- 0638USD1094666SSink tableNINGBO LUHAI BOSHENG LEISURE PRODUCTS CO LTD·Filed 2024·Granted Sep 23, 2025·0 cites·1 claims
- 0731USD469523SBasinCHAANG HSIIEN ENTPR CO LTD·Filed 2002·Granted Jan 28, 2003·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →