Hikaru Sugi
60Patents
22h-index
92Co-inventors
91Inventor score
Filing activity: May 7, 1980 → May 22, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6059018A | Vehicle seat air-conditioning system | Emerging Cross-Sectional Technologies | 205 | Expired |
| US6213198A | Air conditioning apparatus for vehicle with thermoelectric dehumidifier in a double layer system | Performing Operations; Transporting | 127 | Expired |
| US5921100A | Air conditioning apparatus for seat of vehicle | Performing Operations; Transporting | 105 | Expired |
| US6016662A | Vehicular air conditioning apparatus for effectively cooling a main cooling unit and an additional cooling unit | Mechanical Engineering; Lighting; Heating | 61 | Expired |
| US6330909A | Vehicle air conditioning system | Emerging Cross-Sectional Technologies | 60 | Expired |
| US5309731A | Air conditioning apparatus | Performing Operations; Transporting | 58 | Expired |
| US6220383A | Electric power unit | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5730089A | Cooling water circulating system for internal combustion engine of vehicle | Mechanical Engineering; Lighting; Heating | 48 | Expired |
| US6032869A | Heating apparatus for vehicle | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US4565072A | Air-conditioning and refrigerating system | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US5337802A | Vehicle air conditioner having driver and passenger units which operate independently of one another | Performing Operations; Transporting | 31 | Expired |
| US5352089A | Multi-blades fan device | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US6076366A | Refrigerating cycle system with hot-gas bypass passage | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US5910159A | Refrigerating cycle apparatus | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5755107A | Automotive air conditioner | Performing Operations; Transporting | 27 | Expired |
| US4324112A | Refrigeration system | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US6341648B1 | Heat exchanger having heat-exchanging core portion divided into plural core portions | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US6192838A | Engine cooling apparatus | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US5181654A | Sunshine sensor and air conditioner for vehicle | Physics | 24 | Expired |
| US6170274A | Vehicle air-conditioning system with automatic louver oscillation control | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US6131652A | Air conditioning apparatus for vehicle | Performing Operations; Transporting | 23 | Expired |
| US6347987B1 | Vehicle air conditioner with louver operation control | Performing Operations; Transporting | 23 | Expired |
| US6079629A | Vehicle heating apparatus having combustor | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4545213A | Refrigerator for vehicle | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5836270A | Rotating apparatus and heating apparatus for vehicle | Mechanical Engineering; Lighting; Heating | 21 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.