Naoshi Uchikawa
23Patents
15h-index
28Co-inventors
77Inventor score
Filing activity: Oct 21, 1981 → Jan 10, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4496296A | Device for pressing orbiting scroll member in scroll type fluid machine | Mechanical Engineering; Lighting; Heating | 121 | Expired |
| US4818195A | Scroll compressor with valved port for each compression chamber | Mechanical Engineering; Lighting; Heating | 89 | Expired |
| US4774816A | Air conditioner or refrigerating plant incorporating scroll compressor | Emerging Cross-Sectional Technologies | 85 | Expired |
| US4382370A | Refrigerating system using scroll type compressor | Mechanical Engineering; Lighting; Heating | 84 | Expired |
| US5094598A | Capacity controllable compressor apparatus | Emerging Cross-Sectional Technologies | 56 | Expired |
| US4669962A | Scroll compressor with pressure differential maintained for supplying oil | Mechanical Engineering; Lighting; Heating | 46 | Expired |
| US4560330A | Scroll device with suction chamber pressure relief | Mechanical Engineering; Lighting; Heating | 41 | Expired |
| US4596521A | Scroll fluid apparatus | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US4743181A | Scroll-type fluid machine with seal to aid lubrication | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US5127809A | Scroll compressor with reinforcing ribs on the orbiting scroll | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US4989414A | Capacity-controllable air conditioner | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5017108A | Scroll compressor with first and second oil pumps in series | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4545747A | Scroll-type compressor | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4714415A | Scroll compressor with closed compression spaces having valves to reduce starting torque | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4557675A | Scroll-type fluid machine with back pressure chamber biasing an orbiting scroll member | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4755114A | Sealed type scroll compressor with wire mesh oil separating member | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4518324A | Sealed type electrically operated compressor | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4487560A | Scroll fluid compressor with surface finished flat plates engaging the wraps | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4551082A | Bearing device of sealed type scroll compressor | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4473343A | Bearing device for scroll-type compressor | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4690625A | Scroll-type fluid machine with configured wrap edges and grooves | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4730997A | Hermetic scroll compressor having concave spaces communicating with a delivery port | Emerging Cross-Sectional Technologies | 5 | Expired |
| USRE33236E | Bearing device of sealed type scroll compressor | General | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.