Inventor

LI LINZHENG

CN13 patents

⚠️ This page may combine multiple inventors who share the name “LI LINZHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LI HONGLONG

3 patents

US11642316B2May 9, 2023

Water-soluble curcumin mixture with high bioavailability and preparation method and application thereof

LI HONGLONG0 citations52

US12121507B2Oct 22, 2024

Water-soluble curcumin liquid and preparation method and application thereof

LI HONGLONG0 citations48

US11793763B2Oct 24, 2023

Water-soluble lutein ester microcapsules and a method of preparing the same

LI HONGLONG0 citations41

GU SUJING

2 patents

US11654378B2May 23, 2023

Senna obtusifolia seed extract and a method for comprehensive development and utilization of Senna obtusifolia seeds

GU SUJING0 citations40

US11395844B2Jul 26, 2022

Pueraria flower extract rich in isoflavones and a method and application of the same

GU SUJING0 citations40

HENAN ZHONGDA HENGYUAN BIOTECHNOLOGY STOCK CO LTD

2 patents

US12465071B2Nov 11, 2025

Flavor composition containing D-allulose and a preparation method therefor

HENAN ZHONGDA HENGYUAN BIOTECHNOLOGY STOCK CO LTD0 citations39

US12274280B2Apr 15, 2025

Method for extracting oils from sauces while simultaneously determining fat content, peroxide value, and acid value

HENAN ZHONGDA HENGYUAN BIOTECHNOLOGY STOCK CO LTD0 citations39

WANG SANYING

2 patents

US12012627B2Jun 18, 2024

Method for producing psicose 3-epimerase by high-density fermentation

WANG SANYING0 citations39

US11976090B2May 7, 2024

D-psicose crystal and preparation method thereof

WANG SANYING0 citations39

WANG YONGQIANG

1 patent

US12202979B2Jan 21, 2025

Gardenia blue pigment with high brightness and low redness and a preparation method therefor

WANG YONGQIANG0 citations54

JIN ZIHENG

1 patent

US11642608B2May 9, 2023

Method of preparing Hovenia dulcis Thunb extract rich in dihydromyricetin

JIN ZIHENG0 citations49

LIU YIHONG

1 patent

US11969004B2Apr 30, 2024

Method of preparing paprika red pigment with low polycyclic aromatic hydrocarbons

LIU YIHONG0 citations39

HENAN ZHONGDA BIOLOGICAL ENG CO LTD

1 patent

US9921198B2Mar 20, 2018

Method to determine the crocetin and its derivative amounts and the derivative composition from gardenia yellow

HENAN ZHONGDA BIOLOGICAL ENG CO LTD0 citations27