Kazumoto Urata
25Patents
9h-index
46Co-inventors
75Inventor score
Filing activity: Aug 9, 1990 → Jul 6, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5651263A | Refrigeration cycle and method of controlling the same | Mechanical Engineering; Lighting; Heating | 50 | Expired |
| US5214918A | Refrigerator and method for indicating refrigerant amount | Mechanical Engineering; Lighting; Heating | 47 | Expired |
| US6408645B1 | Air-conditioner, outdoor unit and refrigeration unit | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5353604A | Refrigeration cycle | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5410887A | Apparatus for detecting composition of refrigerant and method therefor | Chemistry; Metallurgy | 18 | Expired |
| US6305187A | Air-conditioner, outdoor unit and refrigeration unit | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5829262A | Capacity control device in refrigerating cycle | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5709090A | Refrigerating system and operating method thereof | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5768902A | Refrigeration cycle and method of controlling the same | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6772607B2 | Refrigerating device | Emerging Cross-Sectional Technologies | 7 | Expired |
| US10557648B2 | Cooling/heating switching unit and air conditioner including the same | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US5065588A | Air-conditioner system | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6505480B2 | Air-conditioner, outdoor unit and refrigeration unit | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7007505B2 | Refrigerating device | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10473353B2 | Air conditioner and defrosting operation method therefor | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10222108B2 | Air conditioner | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10274211B2 | Air conditioner | Electricity | 1 | Active |
| US10989433B2 | Air conditioner | Emerging Cross-Sectional Technologies | 0 | Active |
| US10527322B2 | Air conditioner | Emerging Cross-Sectional Technologies | 0 | Active |
| US9618218B2 | Air conditioner | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10054377B2 | Air conditioner | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10670311B2 | Heat exchanger | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10655878B2 | Variable refrigerant flow system with sub-cooling temperature optimization using extremum-seeking control | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10907902B2 | Heat exchanger | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10895393B2 | Variable refrigerant flow system with pressure optimization using extremum-seeking control | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.