Toshiya Kumagai
15Patents
4h-index
34Co-inventors
60Inventor score
Filing activity: Jun 8, 1978 → May 31, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8865628B2 | Solution for forming rare-earth superconductive film and production method thereof | Electricity | 60 | Active |
| US6576302B1 | Method for producing a metal oxide and method for forming a minute pattern | Chemistry; Metallurgy | 13 | Expired |
| US5039654A | Superconductive material and method of preparing same | Emerging Cross-Sectional Technologies | 11 | Expired |
| US8871363B2 | Resistor film for bolometer | Emerging Cross-Sectional Technologies | 4 | Active |
| US6585909B2 | Method of manufacturing oxide thin film for bolometer | Physics | 4 | Expired |
| US6624384B2 | Method for manufacturing infrared ray sensor | Physics | 4 | Expired |
| US7771531B2 | Manufacturing method and usage of crystallized metal oxide thin film | Electricity | 3 | Active |
| US7781030B2 | Infrared sensor manufacturing method suitable for mass production | Physics | 2 | Active |
| US4188370A | Thermochemical method for producing hydrogen from water | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6183554A | Method for preparing dense, epitaxial metal oxide film | Chemistry; Metallurgy | 1 | Expired |
| US6774088B2 | Rare earth-Ba-Cu complex composition and method of producing superconductor using same | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9096440B2 | Method of producing superconductive oxide material | Emerging Cross-Sectional Technologies | 0 | Active |
| US8716189B2 | Method of producing superconductive oxide material | Electricity | 0 | Active |
| US9105794B2 | Oxide superconductor thin film, superconducting fault current limiter, and method for manufacturing oxide superconductor thin film | Electricity | 0 | Active |
| US9159898B2 | Oxide superconductor thin film and superconducting fault current limiter | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.