Shigeru Okada
67Patents
14h-index
56Co-inventors
87Inventor score
Filing activity: Aug 9, 1977 → Jul 12, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5219327A | Transfusion pump | Emerging Cross-Sectional Technologies | 172 | Expired |
| US4754264A | Water content detecting device for diaper | Human Necessities | 117 | Expired |
| US5088904A | Transfusion pump | Mechanical Engineering; Lighting; Heating | 59 | Expired |
| US5152680A | Transfusion pump | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US5109570A | Opening/closing mechanism | Fixed Constructions | 39 | Expired |
| US4653491A | Water content sensing and informing system for a disposable diaper | Human Necessities | 38 | Expired |
| US5290158A | Peristaltic pump | Human Necessities | 35 | Expired |
| US4704108A | Water content sensing and informing system for a disposable diaper | Human Necessities | 34 | Expired |
| USD338271S | Blood pressure monitor | General | 29 | Expired |
| US5211548A | Peristaltic pump having a motor overload protector | Human Necessities | 29 | Expired |
| US4737081A | Variable capacity vane compressor | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US5088193A | Method for manufacturing a heat exchanger | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4101841A | Gain control circuit | Electricity | 20 | Expired |
| US4744732A | Variable capacity vane compressor | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4134078A | Gain control circuit | Electricity | 13 | Expired |
| US5894886A | Heat exchanger with fluid control means for controlling a flow of a heat exchange medium and method of manufacturing the same | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4801251A | Sliding-vane rotary compressor | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4822263A | Sliding-vane rotary compressor | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4650052A | Circuit for driving solenoid clutch | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5121265A | Magnetic recording and reproducing apparatus | Physics | 8 | Expired |
| US4764099A | Compressor having discharge valve means adapted to enhance the coefficient of performance of the compressor | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4976592A | Variable capacity vane compressor | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US9654661B1 | Image scanning device and method, image reading apparatus, and non-transitory computer readable medium that set a scanning area based on a detected location of a code image | Physics | 3 | Active |
| US4776770A | Variable capacity vane compressor | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US9313371B2 | Image processing apparatus, image processing method and non-transitory computer readable medium for eliminating a specific color in an image | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.