Toshio Osada
11Patents
8h-index
32Co-inventors
68Inventor score
Filing activity: Jul 17, 1980 → Jan 16, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4356437A | Control circuit for DC motors | Electricity | 33 | Expired |
| US6051977A | Method and apparatus for locating coating faults on buried pipelines | Physics | 21 | Expired |
| US5298841A | Apparatus for controlling the speed of a moving object | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5106268A | Outlet pressure control system for electromagnetic reciprocating pump | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5222878A | Electromagnetic reciprocating pump | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5104299A | Electromagnetic reciprocating pump | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5100304A | Solenoid-operated reciprocating pump | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4833562A | Rotary magnetic head cylinder device for suppressing vibrations ofa magnetic tape | Physics | 10 | Expired |
| US4886429A | Electromagnetic pump | Electricity | 7 | Expired |
| US5119257A | Rotary head device having a motor within the rotary drum, and magnetic recording and reproducing apparatus using the same | Physics | 7 | Expired |
| US5340288A | Electromagnetic pump | Mechanical Engineering; Lighting; Heating | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.