Yutaka Matsuura
41Patents
14h-index
31Co-inventors
81Inventor score
Filing activity: Aug 25, 1982 → Oct 16, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4770723A | Magnetic materials and permanent magnets | Electricity | 114 | Expired |
| US4792368A | Magnetic materials and permanent magnets | Electricity | 86 | Expired |
| US4597938A | Process for producing permanent magnet materials | Emerging Cross-Sectional Technologies | 86 | Expired |
| US4601875A | Process for producing magnetic materials | Emerging Cross-Sectional Technologies | 82 | Expired |
| US4684406A | Permanent magnet materials | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4837114A | Process for producing magnets having improved corrosion resistance | Electricity | 44 | Expired |
| US4773950A | Permanent magnet | Electricity | 30 | Expired |
| US4826546A | Process for producing permanent magnets and products thereof | Chemistry; Metallurgy | 29 | Expired |
| US4767474A | Isotropic magnets and process for producing same | Electricity | 28 | Expired |
| US5645651A | Magnetic materials and permanent magnets | Electricity | 27 | Expired |
| US4840684A | Isotropic permanent magnets and process for producing same | Electricity | 20 | Expired |
| US5316595A | Process for producing magnets having improved corrosion resistance | Electricity | 20 | Expired |
| US4859255A | Permanent magnets | Electricity | 15 | Expired |
| US5194098A | Magnetic materials | Electricity | 15 | Expired |
| US5466308A | Magnetic precursor materials for making permanent magnets | Electricity | 13 | Expired |
| US5230749A | Permanent magnets | Electricity | 12 | Expired |
| US5527504A | Powder mixture for use in compaction to produce rare earth iron sintered permanent magnets | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4975130A | Permanent magnet materials | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5766372A | Method of making magnetic precursor for permanent magnets | Electricity | 11 | Expired |
| US5183516A | Magnetic materials and permanent magnets | Electricity | 10 | Expired |
| US5089066A | Magnets having improved corrosion resistance | Electricity | 10 | Expired |
| US5486224A | Powder mixture for use in compaction to produce rare earth iron sintered permanent magnets | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6277275A | Apparatus for magnetic treatment of fluid | Performing Operations; Transporting | 9 | Expired |
| US5192372A | Process for producing isotropic permanent magnets and materials | Electricity | 8 | Expired |
| US4975129A | Permanent magnet | Electricity | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.