Patent assignee · JP · COMPANY

KEY COFFEE INC.

3Patents
1Active
3Granted
34Portfolio score

Filing activity: May 27, 1988 → Sep 20, 2012

Most-cited patents

PatentTitleAreaCited byStatus
US4829889A Dispenser Performing Operations; Transporting 65 Expired
US7128934B1 Drink-extracting bag equipped with holding element Performing Operations; Transporting 7 Expired
US9227771B2 Opener cap Performing Operations; Transporting 2 Active

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