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Inventor

Yu Wei

Inventor
Kunshan, CN

Overview

5→
Patents
1977–2015
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B62Mprimary
B62MRider propulsion of wheeled vehicles or sledges40%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry20%
B66BElevators20%
C07CAcyclic or carbocyclic compounds20%
PatentTitleYear
9,181,066'Passenger conveyor'20157,004,867'Top sprocket for a rear sprocket assembly and rear sprocket assembly for a bicycle'20066,923,741'Top sprocket for a rear sprocket assembly and rear sprocket assembly for a bicycle'20054,255,591'Carbonylation process'19814,007,130'Catalyst regeneration method'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1981Patents assigned to MONSANTO CO (2)· patent assignee history
1977–1981Based in Houston, TX, US· patent location history
2005–2006Patents assigned to SHIMANO KK (2)· patent assignee history
2005–2015Based in Kunshan, CN· patent location history
2015Patents assigned to FAN JINQUAN (1)· patent assignee history
2015Patents assigned to KONE CORP (1)· patent assignee history
2015Patents assigned to PLATHIN ANTTI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MONSANTO CO21977–1981
SHIMANO KK22005–2006
FAN JINQUAN12015
KONE CORP12015
PLATHIN ANTTI12015
Locations
LocationPatentsSpan
Kunshan, CN32005–2015
Houston, Texas, US21977–1981