Kojima Co., Ltd.
5Patents
3Active
5Granted
39Portfolio score
Filing activity: Jun 25, 1984 → Jan 29, 2013 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4624875A | Protected card | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7673328B1 | Network authentication system using individual services providers and an authentication server | Electricity | 10 | Expired |
| US9004332B2 | Cup holder | Emerging Cross-Sectional Technologies | 4 | Active |
| US8036906B2 | Method and system for merchandise retail management and portable terminal | Physics | 3 | Active |
| US8663021B2 | Torque fluctuation absorber | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.