C2 CO., Ltd.
27Patents
1Active
27Granted
30Portfolio score
Filing activity: Mar 25, 1993 → May 15, 2012 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD466683S1 | Vamp | General | 87 | Expired |
| USD467711S1 | Shoe sole | General | 66 | Expired |
| USD593290S1 | Sole | General | 63 | Expired |
| USD507096S1 | Sole | General | 48 | Expired |
| USD467063S1 | Vamp | General | 40 | Expired |
| USD467065S1 | Vamp | General | 38 | Expired |
| USD593291S1 | Sole | General | 38 | Expired |
| USD493611S1 | Shoe upper | General | 37 | Expired |
| USD475512S1 | Shoe sole | General | 36 | Expired |
| USD518284S1 | Footwear welt | General | 30 | Expired |
| USD544701S1 | Portion of a shoe midsole | General | 26 | Expired |
| USD522727S1 | Portion of shoe upper | General | 26 | Expired |
| USD568593S1 | Sole | General | 25 | Expired |
| USD544199S1 | Shoe midsole | General | 24 | Expired |
| USD494750S1 | Shoe upper | General | 24 | Expired |
| US5383643A | Keyboard cover and copy holder | Emerging Cross-Sectional Technologies | 23 | Expired |
| USD457717S1 | Shoe upper | General | 22 | Expired |
| USD546533S1 | Shoe sole | General | 17 | Expired |
| USD467408S1 | Midsole | General | 13 | Expired |
| USD359038S | Ergonomic mouse tray | General | 8 | Expired |
| USD563660S1 | Upper for a boot | General | 5 | Expired |
| USD563659S1 | Upper for a boot | General | 5 | Expired |
| USD646476S1 | Footwear welt | General | 5 | Expired |
| USD633289S1 | Upper for a boot | General | 4 | Expired |
| USD659377S1 | Footwear welt | General | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.