Kenya Ito
88Patents
13h-index
115Co-inventors
87Inventor score
Filing activity: Mar 5, 1997 → May 15, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD777546S1 | Work holder for polishing apparatus | General | 391 | Active |
| US6183893A | Perpendicular magnetic recording medium and magnetic storage apparatus using the same | Emerging Cross-Sectional Technologies | 57 | Expired |
| US6036582A | Polishing apparatus | Performing Operations; Transporting | 40 | Expired |
| US5923485A | Storage device for reliably maintaining data in a reproducible state for a long period of time | Physics | 28 | Expired |
| US6578891B1 | Substrate holder and substrate transfer apparatus using the same | Emerging Cross-Sectional Technologies | 25 | Expired |
| US7055535B2 | Holding unit, processing apparatus and holding method of substrates | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6447936B1 | Magnetic recording medium and magnetic recording apparatus using the same | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6716516B2 | Magnetic recording medium and magnetic recording apparatus using the same | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7682225B2 | Polishing apparatus and substrate processing apparatus | Performing Operations; Transporting | 19 | Active |
| US6494220B1 | Apparatus for cleaning a substrate such as a semiconductor wafer | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6543080B1 | Apparatus and method for cleaning semiconductor substrate | Performing Operations; Transporting | 14 | Expired |
| US6248009A | Apparatus for cleaning substrate | Electricity | 14 | Expired |
| US6403203B2 | Magnetic recording medium and magnetic recording apparatus using the same | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6092542A | Cleaning apparatus | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7373060B2 | Optical waveguide using polymer composed of silsesquioxane derivative | Physics | 12 | Expired |
| US6308361A | Cleaning apparatus | Electricity | 12 | Expired |
| US7053167B2 | Silsesquioxane derivative having functional group | Chemistry; Metallurgy | 12 | Expired |
| US6932884B2 | Substrate processing apparatus | Electricity | 12 | Expired |
| US7868112B2 | Fluorine-containing polymer and resin composition | Chemistry; Metallurgy | 11 | Active |
| US7744445B2 | Polishing apparatus and polishing method | Performing Operations; Transporting | 11 | Active |
| US6084729A | Storage device for reliably maintaining data in a reproducible state for a long period of time | Physics | 10 | Expired |
| US6083599A | Perpendicular magnetic recording media and magnetic recording and reproducing apparatus using the same | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7578886B2 | Substrate processing apparatus, substrate processing method, and substrate holding apparatus | Performing Operations; Transporting | 8 | Expired |
| US6141812A | Cleaning apparatus and cleaning member rinsing apparatus | Electricity | 8 | Expired |
| US6116994A | Polishing apparatus | Performing Operations; Transporting | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.