Patent assignee · JP · COMPANY

FDX CORPORATION

2Patents
1Active
2Granted
35Portfolio score

Filing activity: Apr 8, 1998 → Apr 26, 2021

Most-cited patents

PatentTitleAreaCited byStatus
US6327120A Actuator using piezoelectric element and head-positioning mechanism using the actuator Electricity 58 Expired
US12261477B2 Backup power supply device and method for controlling backup power supply device Electricity 0 Active

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