Sei Kakinuma
4Patents
4h-index
8Co-inventors
36Inventor score
Filing activity: Apr 4, 1997 → Mar 17, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6114940A | BALUN transformer core material, BALUN transformer core and BALUN transformer | Electricity | 28 | Expired |
| US6335675B1 | Semiconductor magnetoresistance device, making method and magnetic sensor | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5906768A | Ferrite magnetic material, and ferrite core | Chemistry; Metallurgy | 8 | Expired |
| US5966065A | Core for inductance elements and its production method | Electricity | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.