Nihon Radiator Co., Ltd.
49Patents
0Active
49Granted
39Portfolio score
Filing activity: Mar 18, 1977 → Mar 28, 1988
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4274482A | Laminated evaporator | Mechanical Engineering; Lighting; Heating | 60 | Expired |
| US4132286A | Muffler | Mechanical Engineering; Lighting; Heating | 51 | Expired |
| US4615384A | Heat exchanger fin with louvers | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US4081102A | Cap for fuel tank | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4829208A | Flat motor having a rotatable shaft, a stepped portion formed in said shaft, and apparatus for producing same | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4194560A | Oil cooler and method for forming it | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4723597A | Heat exchanger core | Chemistry; Metallurgy | 19 | Expired |
| US4051975A | Cap for fuel tank | Performing Operations; Transporting | 18 | Expired |
| US4575134A | Pipe joint construction | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4708598A | Rotary type gas compressor | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4809518A | Laminate type evaporator with expansion valve | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4614929A | Method for manufacture of magnet | Electricity | 15 | Expired |
| US4765148A | Air conditioning system including pump driven by waste heat | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4860549A | Variable displacement wobble plate type compressor | Performing Operations; Transporting | 14 | Expired |
| US4122914A | Muffler | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4708585A | Centrifugal pump | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4768677A | Fuel tank cap | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4785287A | Oil condition detecting apparatus | Physics | 12 | Expired |
| US4781320A | Method for the production of a heat exchanger | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4614087A | Apparatus for alarming abnormal coolant in space cooling cycle | Electricity | 11 | Expired |
| US4833882A | Exhaust manifold for multicylinder internal combustion engine | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4593852A | Air conditioner for automobile | Performing Operations; Transporting | 10 | Expired |
| US4865249A | Safety device | Physics | 10 | Expired |
| US4901907A | Heat exchanger core made of aluminum and method for application of flux during process of soldering thereof | Performing Operations; Transporting | 10 | Expired |
| US4878001A | Drive control device for motor actuator in automobile air conditioner | Physics | 10 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.