Kazuhisa Fujisawa
20Patents
8h-index
62Co-inventors
78Inventor score
Filing activity: Sep 30, 1992 → Aug 17, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5690035A | Vibration-damping material, its manufacturing method, and structural section for transport vehicle | Emerging Cross-Sectional Technologies | 47 | Expired |
| US6840302B1 | Method and apparatus for injection molding light metal alloy | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6409949B1 | Method for thickening a polyester resin | Performing Operations; Transporting | 26 | Expired |
| US6604848B2 | Method for continuously mixing polyester resins | Performing Operations; Transporting | 22 | Expired |
| US6171362A | Method for refining molten aluminum alloy and flux for refining molten aluminum alloy | Chemistry; Metallurgy | 15 | Expired |
| US6749767B2 | Powder for high strength dust core, high strength dust core and method for making same | Electricity | 14 | Expired |
| US5525293A | Powder metallurgical binder and powder metallurgical mixed powder | Performing Operations; Transporting | 10 | Expired |
| US6878432B2 | Panel | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6824724B2 | Bladder and tire producing method | Performing Operations; Transporting | 8 | Expired |
| US5895538A | Method of manufacturing and using vibration-damping material | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7419295B2 | Extruder | Performing Operations; Transporting | 6 | Active |
| US7074254B2 | Binder for powder metallurgy, mixed powder for powder metallurgy and method for producing same | Performing Operations; Transporting | 5 | Expired |
| US5356691A | Flexible composite sheet for electric insulation | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6551085B1 | Bladder for vulcanizer, vulcanizer using the same and vulcanizing-molding method | Performing Operations; Transporting | 4 | Expired |
| US7789934B2 | Lubricant for powder metallurgy, powdery mixture for powder metallurgy, and process for producing sinter | Chemistry; Metallurgy | 4 | Active |
| US7163046B2 | Method and apparatus for injection molding light metal alloy | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7033678B2 | Resin coated metal sheet | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7618711B2 | Resin coated metal plate having excellent formability, weldability and corrosion resistance, and worked articles using the resin coated metal plate and method for manufacturing same | Emerging Cross-Sectional Technologies | 1 | Active |
| US5756603A | Apparatus and method for producing 2-hydroxycarboxylic acid oligomer | Chemistry; Metallurgy | 0 | Expired |
| US9511511B2 | Resin-coated saw wire and cut article | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.