Junji Manaka
21Patents
10h-index
6Co-inventors
68Inventor score
Filing activity: Feb 7, 1984 → Aug 25, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4580439A | Low power gas detector | Electricity | 61 | Expired |
| US5388443A | Atmosphere sensor and method for manufacturing the sensor | Physics | 50 | Expired |
| US5551283A | Atmosphere measuring device and flow sensor | Physics | 48 | Expired |
| US7360416B2 | Non-contact condensation detecting apparatus | Physics | 37 | Active |
| US4984446A | Gas detecting device and gas detecting system using the same | Physics | 27 | Expired |
| US5423212A | Flow sensor | Physics | 22 | Expired |
| US5003812A | Gas detecting device | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4967589A | Gas detecting device | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5683546A | Method of etching silicon substrate at different etching rates for different planes of the silicon to form an air bridge | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5392647A | Flow sensor | Physics | 10 | Expired |
| US4775838A | Sensor with periodic heating | Physics | 9 | Expired |
| US5726357A | Flow sensor | Physics | 8 | Expired |
| US4740387A | Low power gas detector | Electricity | 7 | Expired |
| US6112591A | Flow sensor | Physics | 6 | Expired |
| US5965812A | Flow sensor | Physics | 5 | Expired |
| US7574910B2 | Non-contact condensation detecting method and non-contact condensation detecting apparatus | Physics | 4 | Active |
| US5722288A | Flow sensor | Physics | 4 | Expired |
| US8848436B2 | Electric element | Physics | 3 | Active |
| US5467651A | Drive control apparatus for microsensor | Physics | 2 | Expired |
| US5888761A | Etching method for forming air bridge pattern on silicon substrate | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9184380B2 | Electric element | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.