Patent assignee · INDIVIDUAL

Wen-Cheng Lien

1Patents
1Active
1Granted
37Portfolio score

Filing activity: Feb 8, 2007 → Feb 8, 2007 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7497602B2 Three dimension collapsible lampshade Mechanical Engineering; Lighting; Heating 3 Active

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