Isatake Kaitsu
11Patents
5h-index
13Co-inventors
59Inventor score
Filing activity: Aug 2, 1994 → Mar 2, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5843569A | Magnetic recording medium and device | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6689495B1 | Magnetic recording medium and magnetic storage apparatus | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5523639A | Electrostatic actuator having ferroelectrics in which residual dielectric polarization is formed | Electricity | 20 | Expired |
| US6534205B2 | Magnetic storage medium | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5774783A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6562481B1 | Magnetic storage medium | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7611783B2 | Magnetic recording medium and magnetic recording device | Physics | 2 | Active |
| US8722212B2 | Magnetic recording medium with a non-magnetic granular layer under a plurality of granular magnetic layers and storage apparatus | Physics | 1 | Active |
| US6713196B1 | Magnetic recording medium and magnetic recording device | Emerging Cross-Sectional Technologies | 1 | Expired |
| USRE38587E1 | Magnetic recording medium | General | 0 | Expired |
| US8057927B2 | Magnetic recording medium and information storage apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.