Naoya Ishikawa
11Patents
6h-index
19Co-inventors
63Inventor score
Filing activity: Feb 22, 1989 → May 10, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5199778A | Shelf apparatus for a refrigerator | Mechanical Engineering; Lighting; Heating | 72 | Expired |
| US7043914B2 | EGR system for internal combustion engine provided with a turbo-charger | Emerging Cross-Sectional Technologies | 49 | Expired |
| US4914769A | Apparatus for conveying incumbent person | Human Necessities | 20 | Expired |
| US6688279B2 | Compression-ignition internal combustion engine | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7677222B2 | Diesel engine control device | Emerging Cross-Sectional Technologies | 10 | Expired |
| US8033108B2 | Two-stage supercharging system for internal combustion engine | Emerging Cross-Sectional Technologies | 8 | Active |
| US7640094B2 | Diesel engine | Emerging Cross-Sectional Technologies | 6 | Active |
| US7729843B2 | Engine control method and engine control system | Emerging Cross-Sectional Technologies | 3 | Active |
| US7827957B2 | Diesel engine control device | Emerging Cross-Sectional Technologies | 3 | Active |
| US7188606B2 | Diesel engine | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9212575B2 | Gear device and vehicle having same mounted thereon | Mechanical Engineering; Lighting; Heating | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.