JAPAN CROWN CORK CO., LTD.
61Patents
11Active
61Granted
41Portfolio score
Filing activity: Oct 27, 1976 → Mar 15, 2013 · 8 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6390341B1 | Container closure with outflow tube | Performing Operations; Transporting | 55 | Expired |
| US5875942A | Hinged cap separable from bottle at the time of disposal | Performing Operations; Transporting | 52 | Expired |
| US7014055B2 | Synthetic resin container closure | Emerging Cross-Sectional Technologies | 50 | Expired |
| US6779672B2 | Synthetic resin container closure | Emerging Cross-Sectional Technologies | 49 | Expired |
| US4785978A | Container closure provided with automatic opening-closing mechanism | Performing Operations; Transporting | 48 | Expired |
| US5673809A | Container closure with a plastic liner having projections extending into depressions in the plastic shell | Performing Operations; Transporting | 42 | Expired |
| US4776782A | Rotational plastic compression molding apparatus | Emerging Cross-Sectional Technologies | 36 | Expired |
| US8469213B2 | Synthetic resin container closure | Performing Operations; Transporting | 32 | Active |
| US4592476A | Combination of a container and a closure | Performing Operations; Transporting | 30 | Expired |
| US4469442A | Detecting irregularities in a coating on a substrate | Physics | 29 | Expired |
| US4488655A | Plastic closure for containers | Performing Operations; Transporting | 29 | Expired |
| US4880127A | Composite vessel lid | Performing Operations; Transporting | 29 | Expired |
| US7607547B2 | Container cap | Performing Operations; Transporting | 28 | Active |
| US4565295A | Plastic container closure having pilferproof characteristics | Performing Operations; Transporting | 26 | Expired |
| US5769255A | Plastic container closure with high sealing precision | Performing Operations; Transporting | 23 | Expired |
| US4421804A | Bottle for carbonated drink | Emerging Cross-Sectional Technologies | 23 | Expired |
| US7575121B2 | Plastic cap featuring excellent sealing and venting | Performing Operations; Transporting | 23 | Active |
| US6695161B2 | Plastic container closure | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4971213A | Plastic cap | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4256234A | Container closure having easily openable liner comprised of base resin, lubricant and 1 to 15% by weight of a conjugated diene resin | Performing Operations; Transporting | 20 | Expired |
| US4157143A | Sales promoting-purpose bottle closure | Physics | 19 | Expired |
| US5060818A | Heat-resistant liner-provided vessel closure and process for preparation thereof | Chemistry; Metallurgy | 19 | Expired |
| US4111323A | Crown closure | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6016931A | Cap separable from bottle at the time of disposal | Performing Operations; Transporting | 18 | Expired |
| US4114775A | Cap with sealing liner | Emerging Cross-Sectional Technologies | 17 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.