KURETAKE CO., LTD.
30Patents
13Active
30Granted
42Portfolio score
Filing activity: Jan 3, 2001 → May 26, 2022 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD470885S1 | Marking pen | General | 43 | Expired |
| US6817802B2 | Writing instrument | Performing Operations; Transporting | 16 | Expired |
| USD837297S1 | Marking pen | General | 16 | Active |
| USD565657S1 | Cap for a marking pen | General | 13 | Expired |
| USD557745S1 | Cap for a marking pen | General | 12 | Expired |
| USD463495S1 | Glue pen | General | 10 | Expired |
| USD472926S1 | Writing instrument | General | 10 | Expired |
| US6536969B2 | Writing tool equipped with ink reservoir | Performing Operations; Transporting | 9 | Expired |
| USD605226S1 | Craft punch | General | 8 | Expired |
| US6883996B2 | Writing instrument | Performing Operations; Transporting | 8 | Expired |
| USD567290S1 | Cap for a marking pen | General | 7 | Expired |
| US6807704B2 | Brush flatter and drawing instrument equipped with brush flatter | Emerging Cross-Sectional Technologies | 7 | Expired |
| USD565658S1 | Cap for a marking pen | General | 6 | Expired |
| US6471732B1 | Water-in-oil type emulsion fuel oil | Chemistry; Metallurgy | 5 | Expired |
| USD472925S1 | Writing instrument | General | 5 | Expired |
| USD567289S1 | Cap for a marking pen | General | 5 | Expired |
| US9688092B2 | Refill for writing tool and writing tool | Performing Operations; Transporting | 4 | Active |
| US6439793B1 | Stippling instrument | Performing Operations; Transporting | 3 | Expired |
| USD837882S1 | Brush pen | General | 2 | Active |
| USD711471S1 | Marking pen | General | 2 | Active |
| USD489086S1 | Marking pen | General | 1 | Expired |
| USD742454S1 | Marking pen | General | 1 | Active |
| USD744592S1 | Marking pen | General | 1 | Active |
| US11642909B2 | Writing instrument | Performing Operations; Transporting | 0 | Active |
| US10455919B2 | Pen and pen refill having a longitudinally extending groove for transferring decorative particles | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.