Hirotoshi Ishimaru
10Patents
6h-index
14Co-inventors
59Inventor score
Filing activity: Oct 17, 1994 → Oct 3, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5595473A | Centrifugal fluid machine | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US7654232B2 | Hydrogen engine system | Emerging Cross-Sectional Technologies | 8 | Active |
| US5857834A | Centrifugal fluid machine | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6371724B1 | Centrifugal fluid machine | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5971705A | Centrifugal fluid machine | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6290460A | Centrifugal fluid machine | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6139266A | Centrifugal fluid machine | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6312222A | Centrifugal fluid machine | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6364607B2 | Centrifugal fluid machine | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US8496890B2 | Pretreatment apparatus for chemical analysis | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.