ICHIKAWA CO., LTD.
98Patents
58Active
98Granted
44Portfolio score
Filing activity: Apr 22, 1996 → Jul 27, 2022 · 32 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6319365A | Web transfer belt and production process for the same | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6531033B1 | Wet web transfer belt | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7128811B2 | Belt for a papermaking machine | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5968318A | Shoe press belt and manufacturing method therefor | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6042695A | Shoe press belt with lateral variations in hardness | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6086719A | Shoe press belt and method of manufacture | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7494571B2 | Belt for shoe press | Emerging Cross-Sectional Technologies | 11 | Active |
| US6514386B2 | Papermaking felt | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6296738A | Shoe press belt | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6709552B2 | Papermaking belt | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6284102A | Shoe press belt and method for manufacturing the same | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6358369B1 | Press felt for making paper | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8257556B2 | Felt for papermaking | Emerging Cross-Sectional Technologies | 7 | Active |
| US7955475B2 | Papermaking shoe press belt | Emerging Cross-Sectional Technologies | 7 | Active |
| US7947154B2 | Shoe press belt for papermaking | Emerging Cross-Sectional Technologies | 7 | Active |
| US6736939B2 | Shoe press belt | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6699368B2 | Shoe press belt and manufacturing method | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7943013B2 | Shoe press belt for paper making | Chemistry; Metallurgy | 5 | Active |
| US8262864B2 | Paper making shoe press belt | Textiles; Paper | 5 | Active |
| US6929718B2 | Shoe press belt | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6530854B2 | Belt for shoe press | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6331231A | Web transfer belt and production process for the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US9777433B2 | Shoe press belt | Textiles; Paper | 4 | Active |
| US6716318B2 | Papermaking press felt | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5863390A | Paper making felt with PBO fiber batt layers | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.