Hirokiyo Terada
12Patents
8h-index
37Co-inventors
68Inventor score
Filing activity: Jan 11, 1983 → Aug 6, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4603556A | Control method and apparatus for an air conditioner using a heat pump | Physics | 43 | Expired |
| US4958500A | Air conditioner and air conditioning method | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US5343713A | Active noise control apparatus for three-dimensional space | Physics | 30 | Expired |
| US4551983A | Refrigeration apparatus | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4770000A | Defrosting of refrigerator system out-door heat exchanger | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US4562700A | Refrigeration system | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US5360060A | Fin-tube type heat exchanger | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5709090A | Refrigerating system and operating method thereof | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4454728A | Air conditioning system | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5065588A | Air-conditioner system | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US5956962A | Air conditioner | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5689965A | Air conditioner | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.