Reishi Naka
20Patents
12h-index
35Co-inventors
81Inventor score
Filing activity: Dec 30, 1975 → Nov 15, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4954465A | Apparatus for removing stink | Mechanical Engineering; Lighting; Heating | 64 | Expired |
| US4955208A | Refrigerating apparatus having a stink removing device | Mechanical Engineering; Lighting; Heating | 53 | Expired |
| US6651444B2 | Method of deforming vacuum heat insulation material, method of fixing vacuum heat insulation material, refrigeration, cold storage vessel, and heat insulation box body | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5964581A | Refrigerant compressor | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5711165A | Refrigerating apparatus and refrigerant compressor | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5553465A | Refrigeration apparatus containing lubricant composition | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US6258293A | Refrigeration cycle | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4444704A | Process for producing integral skin polyurethane foam | Chemistry; Metallurgy | 18 | Expired |
| US6029459A | Refrigeration cycle | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5417872A | Lubricant composition, refrigeration apparatus containing same and process for operating the apparatus | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5445753A | Lubricant for refrigeration compressors | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4742089A | Rigid polyurethane foam and process for producing the same | Chemistry; Metallurgy | 12 | Expired |
| US6991366B2 | Thermal conductivity measurement method and instrument and method of producing a heat insulating material | Physics | 12 | Expired |
| US6235806A | Open-celled rigid polyurethane foam and method for producing the same | Chemistry; Metallurgy | 12 | Expired |
| US4105599A | Process for producing rigid polyurethane foam | Chemistry; Metallurgy | 6 | Expired |
| US5034425A | Rigid polyurethane foam, process for producing the same, and heat insulators and refrigerators using such polyurethane foam | Chemistry; Metallurgy | 5 | Expired |
| US5216040A | Rigid polyurethane foam and process for producing the same | Chemistry; Metallurgy | 4 | Expired |
| US5173517A | Rigid polyurethane foam and heat insulator obtained therefrom | Chemistry; Metallurgy | 3 | Expired |
| US4100114A | Polyurethane foam composition | Chemistry; Metallurgy | 3 | Expired |
| USRE33290E | Rigid polyurethane foam and process for producing the same | General | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.