Nobuki Uraoka
10Patents
6h-index
21Co-inventors
66Inventor score
Filing activity: Sep 14, 1993 → Dec 1, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5772884A | Porous polytetrafluoroethylene film and process for preparation thereof | Emerging Cross-Sectional Technologies | 87 | Expired |
| US5562986A | Polytetrafluoroethylene fibers, polytetrafluoroethylene materials and process for preparation of the same | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5409515A | Filter apparatus and filter element | Performing Operations; Transporting | 38 | Expired |
| US6336948B1 | Fire-retardant filter medium and air filter unit | Performing Operations; Transporting | 22 | Expired |
| US5834528A | Polytetrafluoroethylene porous composite film | Emerging Cross-Sectional Technologies | 21 | Expired |
| USD366106S | Air filter | General | 9 | Expired |
| US6355135B1 | Method of laminating gas permeable sheet material | Emerging Cross-Sectional Technologies | 1 | Expired |
| US10644339B2 | Polymer electrolyte membrane | Emerging Cross-Sectional Technologies | 0 | Active |
| US10688448B2 | Porous body, polymer electrolyte membrane, filter material for filter, and filter unit | Emerging Cross-Sectional Technologies | 0 | Active |
| US10944121B2 | Polymer electrolyte film | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.