SEED CO., LTD.
35Patents
27Active
35Granted
51Portfolio score
Filing activity: Jan 28, 2000 → Dec 10, 2019 · 12 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9127404B2 | Used paper recycling apparatus and its constituent devices | Emerging Cross-Sectional Technologies | 29 | Active |
| US7781536B2 | Highly oxygen-permeable hydrated ocular lens | Physics | 23 | Active |
| US6699953B2 | Lens made of synthetic resin and process for producing the same | Chemistry; Metallurgy | 18 | Expired |
| US7732523B2 | Elastomer composition, method for producing the same, and eraser using the same | Emerging Cross-Sectional Technologies | 12 | Active |
| US6681827B2 | Mark transfer tool and mark transfer tape | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6769470B2 | Mark transfer tool and mark transfer tape | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6595260B2 | Mark transfer tool and mark transfer tape | Emerging Cross-Sectional Technologies | 6 | Expired |
| US9329408B2 | Wettable hydrogel contact lens and method for producing same | Physics | 6 | Active |
| US6896734B2 | Transfer tool and transfer film remover | Emerging Cross-Sectional Technologies | 5 | Expired |
| US9486362B2 | Ring-shaped device | Physics | 5 | Active |
| US6575220B2 | Mark transfer tool and mark transfer tape | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8449722B2 | Used paper recycling apparatus and its constitutent devices | Emerging Cross-Sectional Technologies | 2 | Active |
| US6402995B1 | Process for preparing polyvinyl alcohol contact lenses | Chemistry; Metallurgy | 2 | Expired |
| US8313616B2 | Used paper recycling apparatus and its constituent devices | Emerging Cross-Sectional Technologies | 1 | Active |
| US7811601B2 | Ophthalmic lenses capable of sustained drug release and preservative solutions therefor | Human Necessities | 1 | Active |
| US8940318B2 | Hydrogel contact lens for sustained drug release and drug release method using hydrogel contact lens for sustained drug release | Human Necessities | 1 | Active |
| US7732524B2 | Elastomer composition, method for producing the same, and eraser using the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US11203567B2 | Polymerizable triptycene derivative compound, and polymer compound including same as constituent component | Emerging Cross-Sectional Technologies | 0 | Active |
| US10159642B2 | Functional polymer gel containing organic nanotubes and method for producing same | Human Necessities | 0 | Active |
| US8262863B2 | Paper machine for used paper recycling apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US8025770B2 | Used paper processing apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US12161652B2 | Anionic drug-containing ophthalmic device | Human Necessities | 0 | Active |
| US11292762B2 | Polymer including polymerizable triptycene derivative compound as component | Emerging Cross-Sectional Technologies | 0 | Active |
| US8273217B2 | Paper machine for used paper recycling apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US12178938B2 | UV absorbing ocular lens | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.