LexDanaLexDanabeta
Inventor

I-Chao Yan

Inventor
Chiai, TW

Overview

1→
Patents
2003
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 as inventor

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

B62Kprimary
B62KCycles33%
B62MRider propulsion of wheeled vehicles or sledges33%
Y10TTechnical subjects covered by former us classification33%
PatentTitleYear
6,644,143'Grip gear-shifter for actuating derailleur of bicycle'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003Patents assigned to NAT SCIENCE COUNCIL (1)· patent assignee history
2003Based in Chiai, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NAT SCIENCE COUNCIL12003
Locations
LocationPatentsSpan
Chiai, TW12003