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Inventor

Ming-Ngar Chow

Inventor
Hong Kong, CN

Overview

6→
Patents
1985–1992
Patent span
Human necessities
Primary field (CPC A)

Patents· 6 as inventor

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

A63Hprimary
A63HToys, e.g. tops, dolls, hoops or building blocks40%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry20%
C10GCracking hydrocarbon oils20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
5,137,620'Reforming process using a pretreated catalyst'19925,051,384'Method for pretreating a reforming catalyst'19914,575,355'Toy vehicle activated by moving body part'19864,547,174'Inertia motors for toy vehicles'19854,541,815'Toy vehicle'19854,516,954'Toy vehicle'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1986Patents assigned to ZIMA PRODUCTS LTD (2)· patent assignee history
1985Patents assigned to LEE JAMES S (1)· patent assignee history
1985Patents assigned to LEE JAMES S W (1)· patent assignee history
1985–1986Based in Hong Kong, CN· patent location history
1991–1992Patents assigned to EXXON RESEARCH ENGINEERING CO (2)· patent assignee history
1991Based in Three Bridges, NJ, US· patent location history
1992Based in Cupertino, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EXXON RESEARCH ENGINEERING CO21991–1992
ZIMA PRODUCTS LTD21985–1986
LEE JAMES S11985
LEE JAMES S W11985
Locations
LocationPatentsSpan
Hong Kong, CN41985–1986
Cupertino, California, US11992
Three Bridges, New Jersey, US11991