Patent assignee · CN · COMPANY

d.light design, Inc.

28Patents
22Active
28Granted
44Portfolio score

Filing activity: Nov 29, 2007 → Dec 28, 2016 · 13 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
USD699874S1 Portable light General 48 Active
USD622430S1 Casing for a light General 24 Expired
USD686979S1 Casing for a portable solar panel General 22 Active
USD687591S1 Casing for a portable solar light General 21 Active
USD689817S1 Casing for a portable solar panel General 20 Active
USD731107S1 Lamp casing General 18 Active
USD820502S1 Light casing General 17 Active
USD633437S1 Casing for a solar mobile charger General 15 Expired
USD687590S1 Casing for a portable solar powered light General 14 Active
US8355805B2 Systems and methods for activation and deactivation of appliances Electricity 14 Active
USD681256S1 Lamp casing General 12 Active
USD691970S1 Control unit casing General 12 Active
USD567417S1 Casing for a portable solar powered light General 12 Expired
USD584439S1 Casing for a light General 11 Expired
USD761471S1 Casing for a portable light General 10 Active
USD679243S1 Solar panel casing General 10 Active
USD638571S1 Casing for a portable solar powered light General 10 Expired
USD867283S1 Controller casing General 4 Active
US7898261B2 Lamp with metering device Mechanical Engineering; Lighting; Heating 4 Active
US8972069B1 Selective multi-phase maximum power point tracking Emerging Cross-Sectional Technologies 3 Active
USD640401S1 Portable solar powered light General 3 Expired
USD686998S1 Control unit casing General 3 Active
USD798483S1 Casing for a portable light General 2 Active
US9020852B2 Systems and methods for activation and deactivation of appliances Electricity 1 Active
USD772471S1 Casing for a portable light General 1 Active

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