Masamichi Hanada
5Patents
5h-index
25Co-inventors
59Inventor score
Filing activity: Feb 24, 1981 → Feb 19, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4647271A | Impeller of centrifugal blower | Mechanical Engineering; Lighting; Heating | 57 | Expired |
| US4432694A | Blower | Emerging Cross-Sectional Technologies | 33 | 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 |
| US4454728A | Air conditioning system | Mechanical Engineering; Lighting; Heating | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.