Hidehito Obayashi
15Patents
8h-index
40Co-inventors
72Inventor score
Filing activity: Jul 5, 1973 → May 22, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4262063A | Fuel cell using electrolyte-soluble fuels | Emerging Cross-Sectional Technologies | 34 | Expired |
| US3951603A | Gas-sensor element and method for detecting reducing gas or oxygen gas | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4323381A | Method for producing mother rods for optical fibers | Emerging Cross-Sectional Technologies | 26 | Expired |
| US3953173A | Gas-sensor element and method for detecting oxidizable gas | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6282611A | Digital information system, digital audio signal processor and signal converter | Electricity | 15 | Expired |
| US5389198A | Structure and method of manufacturing the same | Physics | 15 | Expired |
| US4242421A | Electrode catalyst | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4514857A | X-Ray lithographic system | Electricity | 9 | Expired |
| US4044601A | Smoke and gas sensor element | Physics | 8 | Expired |
| US4788698A | X-ray exposure system | Physics | 8 | Expired |
| US4210509A | Oxygen sensor | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4367269A | Solid electrolyte | Electricity | 4 | Expired |
| US4740693A | Electron beam pattern line width measurement system | Physics | 4 | Expired |
| US4599737A | X-ray mask with Ni pattern | Physics | 3 | Expired |
| US4411971A | Lithium compounds | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.