ANGEL CO., LTD.
231Patents
190Active
231Granted
68Portfolio score
Filing activity: Dec 18, 1975 → Mar 1, 2024
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4057061A | Sanitary napkin | Human Necessities | 41 | Expired |
| USD517613S1 | Playing card | General | 13 | Expired |
| USD553695S1 | Playing card | General | 8 | Expired |
| USD550777S1 | Playing card | General | 7 | Expired |
| US11443586B2 | Game management system | Physics | 7 | Active |
| US11367325B2 | Table game management system, gaming table layout, and gaming table | Human Necessities | 5 | Active |
| US11450173B2 | System, chip tray, and method | Human Necessities | 5 | Active |
| US11210908B2 | Method for administering a package of shuffled playing cards | Human Necessities | 5 | Active |
| US11557181B2 | Method for administering a package of shuffled playing cards | Human Necessities | 3 | Active |
| US11288923B1 | Game token management system | Physics | 3 | Active |
| US11183006B2 | Table game management system and game token | Physics | 3 | Active |
| US11410494B2 | Game management system | Physics | 3 | Active |
| USD1023161S1 | Casino chip holder | General | 2 | Active |
| US11348406B2 | Inspection system, inspecting device, and gaming chip | Physics | 2 | Active |
| US11410491B2 | Table game management system and game management system | Physics | 2 | Active |
| US11651646B2 | Table game management system, game token, and inspection apparatus | Physics | 2 | Active |
| US11615679B2 | Method for administering a package of shuffled playing cards | Human Necessities | 2 | Active |
| US11887435B2 | Game system | Physics | 1 | Active |
| US12254737B2 | Recognition system | Physics | 1 | Active |
| US11229833B2 | Shuffled playing card and method of manufacturing playing card | Emerging Cross-Sectional Technologies | 1 | Active |
| USD1023162S1 | Casino chip holder | General | 1 | Active |
| US11790202B2 | Game token and method for manufacturing the same | Performing Operations; Transporting | 1 | Active |
| US11731033B2 | Table game system | Physics | 1 | Active |
| US11615672B2 | Inspection system and inspection device | Physics | 1 | Active |
| US11103768B2 | Table game system | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.