Chio Ishihara
25Patents
5h-index
52Co-inventors
72Inventor score
Filing activity: May 27, 1997 → Jul 8, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6054219A | Process for forming insulating layers on soft magnetic powder composite core from magnetic particles | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7649298B2 | Claw teeth type electric rotary machine and manufacturing method for stators | Emerging Cross-Sectional Technologies | 9 | Active |
| US7714475B2 | Multiple phase claw pole type motor | Electricity | 7 | Expired |
| US7626301B2 | Electric rotating machine having permanent magnets and method of manufacturing teeth portions of the stator iron core | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6344273B1 | Treatment solution for forming insulating layers on magnetic particles process for forming the insulating layers, and electric device with a soft magnetic powder composite core | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7714466B2 | Claw-teeth-type rotating electrical machine | Electricity | 4 | Active |
| USD572660S1 | Claw teeth motor core | General | 4 | Expired |
| US8445105B2 | Iron-based soft magnetic powder for dust core, method for production thereof, and dust core | Emerging Cross-Sectional Technologies | 3 | Active |
| US8236087B2 | Powder core and iron-base powder for powder core | Emerging Cross-Sectional Technologies | 3 | Active |
| US7791244B2 | Multiphase claw-pole type electric rotary machine, cogging torque adjustment system of the same, generator system, and motor system | Electricity | 3 | Active |
| US7592734B2 | Three-phase permanent magnet brushless motor | Electricity | 3 | Active |
| US7273527B2 | Production method for powdered core | Electricity | 2 | Active |
| US9646756B2 | Powder magnetic core and method for producing the same | Electricity | 2 | Active |
| US7605517B2 | Claw pole rotating electric machine | Electricity | 2 | Active |
| US10074468B2 | Powder magnetic core for reactor | Electricity | 2 | Active |
| US7211158B2 | Production method for powdered core | Electricity | 2 | Expired |
| US8029626B2 | Method for producing soft magnetic powdered core | Electricity | 1 | Active |
| US8062583B2 | Method for producing soft magnetic powdered core | Performing Operations; Transporting | 1 | Active |
| US7795774B2 | Multiple phase claw pole type motor | Electricity | 1 | Active |
| US8398879B2 | Soft magnetic powdered core and method for producing same | Electricity | 1 | Active |
| US9754710B2 | Powder magnetic core, method of manufacturing powder compact for magnetic core, die and die assembly for manufacturing powder magnetic core, and die lubricating composition for manufacturing powder magnetic core | Chemistry; Metallurgy | 0 | Active |
| US12053820B2 | Dust core compound, molded body, and dust core | Chemistry; Metallurgy | 0 | Active |
| US9859044B2 | Powder magnetic core and reactor using the same | Electricity | 0 | Active |
| US7470332B2 | Production method for soft magnetic sintered member | Performing Operations; Transporting | 0 | Expired |
| US11732124B2 | Compound and tablet | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.