Isao Kuroyanagi
18Patents
6h-index
36Co-inventors
66Inventor score
Filing activity: Dec 9, 1987 → Mar 10, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6178292A | Core unit of heat exchanger having electric heater | Mechanical Engineering; Lighting; Heating | 64 | Expired |
| US6272881A | Refrigerant evaporator and manufacturing method for the same | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US4821531A | Refrigerant evaporator | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US6308527A | Refrigerant evaporator with condensed water drain structure | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US8925624B2 | Exhaust heat exchanger | Emerging Cross-Sectional Technologies | 10 | Active |
| US6339937B1 | Refrigerant evaporator | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6253840A | Refrigerant evaporator including refrigerant passage with inner fin | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4936108A | Vapor pressure-adjusting valve and refrigeration system using same | Emerging Cross-Sectional Technologies | 3 | Expired |
| US10202880B2 | Exhaust heat exchanger | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US5444993A | Condenser for refrigerating cycle | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US4870834A | Vapor pressure-adjusting valve and refrigeration system using same | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9581107B2 | Exhaust gas heat exchanging device | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10655530B2 | Intercooler | Emerging Cross-Sectional Technologies | 0 | Active |
| US9429113B2 | Exhaust gas cooling device | General | 0 | Revoked |
| US10612457B2 | Intercooler | Emerging Cross-Sectional Technologies | 0 | Active |
| US9464598B2 | Exhaust gas cooling device | Emerging Cross-Sectional Technologies | 0 | Active |
| US10544727B2 | Intercooler | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9956654B2 | Method for manufacturing heat exchanger, and heat exchanger | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.