Calsonic Corporation
131Patents
0Active
131Granted
42Portfolio score
Filing activity: Jan 21, 1988 → Mar 15, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5899086A | Heat pump type air conditioning system for automotive vehicle | Performing Operations; Transporting | 55 | Expired |
| US5038582A | Liquid receiver | Mechanical Engineering; Lighting; Heating | 55 | Expired |
| US5647430A | Electronic component cooling unit | Electricity | 53 | Expired |
| US4933582A | Magnet-retaining structure for motor | Electricity | 51 | Expired |
| US5729995A | Electronic component cooling unit | Electricity | 50 | Expired |
| US5167129A | Automotive air conditioning system | Performing Operations; Transporting | 49 | Expired |
| US5632158A | Electronic component cooling unit | Electricity | 45 | Expired |
| US6048263A | Heating, ventilation, and air conditioning unit for automotive vehicles | Performing Operations; Transporting | 43 | Expired |
| US5165468A | Oil cooler for automatic transmission | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5975191A | Vehicle air conditioner | Performing Operations; Transporting | 29 | Expired |
| US5709106A | Condenser structure with liquid tank | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US5897298A | Variable displacement swash plate type compressor with supporting plate for the piston rods | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US5734330A | Anti-theft car protection device | Performing Operations; Transporting | 29 | Expired |
| US5560425A | Multi-flow type heat exchanger | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5806899A | Flexible connection tube for automotive exhaust system | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US5099912A | Housingless oil cooler | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5242268A | Pump impeller | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US6007300A | Centrifugal multiblade fan | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US4906307A | Flux used for brazing aluminum-based alloy | Performing Operations; Transporting | 26 | Expired |
| US5744762A | Muffler controller for use in controllable exhaust system of internal combustion engine | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5511612A | Oil cooler having water pipe reinforcement | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5186242A | Condenser provided with forced cooling means | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5901573A | Condenser structure with liquid tank | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5910157A | Automotive air conditioning system | Performing Operations; Transporting | 21 | Expired |
| US5868556A | Swash-plate type compressor | Mechanical Engineering; Lighting; Heating | 21 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.