Shinichi Chaen
18Patents
7h-index
31Co-inventors
66Inventor score
Filing activity: Sep 14, 1993 → Jun 2, 2017
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 |
| US5807633A | Polytetrafluoroethylene composite fiber, cotton-like materials obtained therefrom and processes for production thereof | Emerging Cross-Sectional Technologies | 8 | Expired |
| US9707504B2 | Composition having PTFE as main component, mixed powder, material for molding, filtering medium for filter, air filter unit, and a method for manufacturing a porous membrane | Chemistry; Metallurgy | 7 | Active |
| US10265654B2 | Filtering medium for air filter, filter pack, air filter unit, and method for producing filtering medium for air filter | Performing Operations; Transporting | 4 | Active |
| US5998022A | Polytetrafluoroethylene cotton-like materials | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6355135B1 | Method of laminating gas permeable sheet material | Emerging Cross-Sectional Technologies | 1 | Expired |
| US10265661B2 | Mixed powder and material for molding having PTFE as main component, and drawn porous body | Chemistry; Metallurgy | 1 | Active |
| US10688448B2 | Porous body, polymer electrolyte membrane, filter material for filter, and filter unit | Emerging Cross-Sectional Technologies | 0 | Active |
| US8865839B2 | Polytetrafluoroethylene mixture | Chemistry; Metallurgy | 0 | Active |
| US10944121B2 | Polymer electrolyte film | Emerging Cross-Sectional Technologies | 0 | Active |
| US11084895B2 | Modified polytetrafluoroethylene fine powder and uniaxially stretched porous body | Chemistry; Metallurgy | 0 | Active |
| US10644339B2 | Polymer electrolyte membrane | Emerging Cross-Sectional Technologies | 0 | Active |
| US8937132B2 | Polytetrafluoroethylene mixture | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.