Tetsuya Ashida
30Patents
11h-index
47Co-inventors
75Inventor score
Filing activity: Oct 3, 1988 → Mar 17, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6200706A | Nonwoven fabric for separator of non-aqueous electrolyte battery and non-aqueous electrolyte battery using the same | Electricity | 47 | Expired |
| US6357871B1 | Ink jet recording medium, apparatus for preparing an ink jet printed product, and ink jet printed product | Performing Operations; Transporting | 39 | Expired |
| US5824462A | Resin-coated paper | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5912193A | Thermoplastic polyurethanes and molded articles comprising them | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5503899A | Suede-like artificial leather | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5891811A | Indicator material | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5780573A | Thermoplastic polyurethanes and molded articles comprising them | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5182161A | Support for photosensitive materials | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6773771B1 | Ink-jet recording sheet | Performing Operations; Transporting | 15 | Expired |
| US6450036B1 | Method and device for diagnosing deterioration of an article having at least a covering layer organic polymer material | Physics | 12 | Expired |
| US6403162B1 | Silica dispersion, method for preparing the same and method for making ink-jet recording material using the same | Performing Operations; Transporting | 11 | Expired |
| US7820574B2 | Grain leather-like sheet having excellent scratch resistance and abrasion resistance | Emerging Cross-Sectional Technologies | 11 | Active |
| US7083171B2 | Metal seal and attachment method for the same and tight-seal construction | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5100770A | Support for photographic materials | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7004479B2 | Metal seal and attachment method for the same and tight-seal construction | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4870001A | Silver halide photographic paper having developer in the emulsion layer and a rough hydrophilic backcoating layer | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5821180A | Laminate comprising a polyurethane layer | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5008150A | Photographic support with an undercoating layer on a resin coated base sheet | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7722052B2 | Rotation shaft seal | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US5106818A | Receiving sheet for heat transfer recording | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7780172B2 | Rotation shaft seal | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US7704900B2 | Artificial leather sheets and method for producing them | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8283021B2 | Leather-like sheet and method of producing leather-like sheet | Emerging Cross-Sectional Technologies | 2 | Active |
| US8092324B2 | Sheet-like object for ball and ball | Human Necessities | 2 | Active |
| US6613416B1 | Ink-jet recording material | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.