Patent assignee · CN · INDIVIDUAL

Weiwen Yan

3Patents
2Active
3Granted
34Portfolio score

Filing activity: Jul 24, 2007 → Sep 19, 2008 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
USD598730S1 Ultrasonic sensors mounting support General 15 Expired
US7868747B2 Vehicle reversing alarm having ultrasonic and camera sensors Physics 2 Active
US8674847B2 Wireless monitor voice indication parking indicator Physics 0 Active

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