Hideyuki Kiyotani
9Patents
4h-index
15Co-inventors
54Inventor score
Filing activity: Jul 18, 2000 → Dec 6, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6682576B1 | Air filter medium, process of producing filter medium, air filter pack for air filters, and air filter unit for air filters | Emerging Cross-Sectional Technologies | 39 | Expired |
| US6416562B1 | Air filter medium, air filter pack and air filter unit comprising the same, and method for producing air filter medium | Emerging Cross-Sectional Technologies | 33 | 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 |
| US7387700B2 | Method for preparing filtering material | Emerging Cross-Sectional Technologies | 5 | Expired |
| 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 |
| US7097682B2 | Ventilation filter medium for container, and container and container cap equipped with ventilation filter medium | Human Necessities | 2 | Expired |
| US10265661B2 | Mixed powder and material for molding having PTFE as main component, and drawn porous body | Chemistry; Metallurgy | 1 | Active |
| US12152093B2 | Tetrafluoroethylene polymer, air filter medium, filter pack, and air filter unit | Chemistry; Metallurgy | 0 | Active |
| US10537836B2 | Filter medium for air filter, filter pack, air filter unit and method for producing the filter medium for air filter | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.