Naoki Koshizuka
15Patents
7h-index
41Co-inventors
66Inventor score
Filing activity: Aug 15, 1990 → Apr 4, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6011981A | Oxide superconductor multilayered film and oxide superconductor josephson device | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5341059A | Superconducting bearing unit and operating method thereof | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6541789B1 | High temperature superconductor Josephson junction element and manufacturing method for the same | Electricity | 15 | Expired |
| US5474976A | Production of oxide superconductors having large magnetic levitation force | Electricity | 15 | Expired |
| US6226858A | Method of manufacturing an oxide superconductor wire | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5883051A | High Tc superconducting Josephson junction element | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5395820A | Oxide superconductor and process for producing the same | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5430010A | Process for preparing oxide superconductor | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5459124A | Process for producing oxide superconductor | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6953770B2 | MgB2—based superconductor with high critical current density, and method for manufacturing the same | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5389604A | Process of producing oxide superconductor | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5369090A | Process for producing bi-based oxide superconductor single crystals | Chemistry; Metallurgy | 0 | Expired |
| US10128024B2 | MgB2-based superconducting wire for a liquid hydrogen level sensor, a liquid hydrogen level sensor, and a liquid hydrogen level gauge | Electricity | 0 | Active |
| US5169830A | Superconducting material | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5468724A | High temperature oxide superconductor | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.