Patent assignee · TW · COMPANY

AD-II ENGINEERING INC.

9Patents
8Active
9Granted
55Portfolio score

Filing activity: Jun 14, 2001 → Jan 25, 2023

Most-cited patents

PatentTitleAreaCited byStatus
US6532890B2 Speed indicator for a shifting device of bicycle Emerging Cross-Sectional Technologies 134 Expired
US11814138B1 Rear derailleur Performing Operations; Transporting 1 Active
US10442497B2 Easy-adjustment bicycle gear-shifting system Performing Operations; Transporting 1 Active
US10124857B2 Clutch unit of bicycle derailleur Performing Operations; Transporting 1 Active
US12409911B2 Bicycle operating device Performing Operations; Transporting 0 Active
US11814132B1 Bicycle operating device Performing Operations; Transporting 0 Active
US11834131B1 Rear derailleur Performing Operations; Transporting 0 Active
US11891155B2 Bicycle front derailleur Performing Operations; Transporting 0 Active
US10894576B2 Bicycle rear derailleur Performing Operations; Transporting 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.