Naoki Hiro
13Patents
5h-index
37Co-inventors
62Inventor score
Filing activity: Mar 9, 1990 → Dec 2, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7156962B2 | Electrolyzing electrode and production method therefor and electrolysis method using electrolyzing electrode and electrolysis solution producing device | Chemistry; Metallurgy | 34 | Expired |
| US6530420B1 | Heat carrier | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6192694A | Absorption type refrigerating machine | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5351493A | Thermally driven refrigeration system utilizing metal hydrides | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5174367A | Thermal utilization system using hydrogen absorbing alloys | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6852226B2 | Waste treatment system for treatment of organic waste and digested liquid thereof | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6192704A | Absorber of absorption system refrigerator | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6984326B2 | Nitrogen treating method and nitrogen treating system | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5676202A | Heat exchanger | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7018543B2 | Waste water treating method and waste water treating apparatus | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6875362B2 | Waste water treating method, waste water treating apparatus, and waste water treating system | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7241373B2 | Nitrogen treating method | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7361263B2 | Water treatment apparatus and method | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.