Inventor

Zhiwei CHENG

Inventor

Overview

3→

Patents

2021–2025

Patent span

Human necessities

Primary field (CPC A)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes14%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations14%

A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for7%

A23VIndexing scheme relating to foods, foodstuffs or non-alcoholic beverages and lactic or propionic acid bacteria used in foodstuffs or food preparation7%

C07BGeneral methods of organic chemistry7%

C07DHeterocyclic compounds7%

C12YEnzymes7%

G01DMeasuring not specially adapted for a specific variable7%

G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves7%

G01NInvestigating or analysing materials by determining their chemical or physical properties7%

PatentTitleYear

12,252,487Dominant salt forms of pyrimidine derivatives, and crystal forms thereof2025 11,298,334Use of isothiocyanate compounds2022 11,193,818Frequency modulation demodulator based on fiber grating sensor array2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to UNIV ZHEJIANG (1)· patent assignee history

2021–2025Based in CN· patent location history

2022Patents assigned to JC WUXI COMPANY INC (1)· patent assignee history

2025Patents assigned to GUANGDONG RAYNOVENT BIOTECH CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GUANGDONG RAYNOVENT BIOTECH CO LTD	1	2025
JC WUXI COMPANY INC	1	2022
UNIV ZHEJIANG	1	2021

Locations

Location	Patents	Span
CN	3	2021–2025