Katsusuke Shimazaki
40Patents
10h-index
61Co-inventors
74Inventor score
Filing activity: Apr 14, 1994 → Sep 2, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6101153A | Magnetic head capable of generating multi-stepped external magnetic fields for magneto-optical recording device | Physics | 31 | Expired |
| US6628574B1 | Reproducing method and reproducing apparatus using plural light beam powers for transferring a magnetic domain | Physics | 20 | Expired |
| US7038873B2 | Magnetic recording medium having a specific relation of coercive force HC and residual magnetization MR in perpendicular direction to substrate surface | Physics | 18 | Expired |
| US6246640A | Magneto-optical recording medium capable of recording multiple value signals | Physics | 16 | Expired |
| US6455174B1 | Magnetic recording medium, recording and reproducing head, and magnetic recording and reproducing method | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6044041A | Recording and reproducing apparatus having a magneto-optical head with an objective lens and laser-beam-permeable member | Physics | 14 | Expired |
| US5923625A | Magneto-optical recording medium and method for recording and reproduction thereon | Physics | 13 | Expired |
| US6424601B1 | Magneto-optical recording media having an auxiliary magnetic layer | Physics | 12 | Expired |
| US6633514B1 | Magneto-optical reproducing method using a plural of different reproducing beams | Physics | 10 | Expired |
| US5783320A | Magneto-optical recording medium and process for producing the same | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7027385B1 | Optical disk, disk substrate, and drive | Physics | 10 | Expired |
| US6434088B1 | Recording and reproducing apparatus having a magneto-optical head with an objective lens and laser-beam-permeable member | Physics | 10 | Expired |
| US7396150B2 | Lighting apparatus and display apparatus | Physics | 9 | Active |
| US6388954B1 | Magneto-optical recording medium having clock-marks on recording layer and apparatus for recording and reproducing same | Physics | 9 | Expired |
| US6061307A | Magneto-optical recording medium having a plurality of magnetic layers | Physics | 9 | Expired |
| US6781926B2 | Magneto-optical head having heat sink layer | Physics | 8 | Expired |
| US7670031B2 | Lighting device and display apparatus | Electricity | 8 | Active |
| US6339583B1 | Cartridge for information-recording media having deformable elastic member on shutter | Physics | 7 | Expired |
| US5637411A | Magneto-optical recording medium and process for producing the same | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6122228A | Magneto-optical recording medium and reproduction method therefor | Physics | 6 | Expired |
| US7878670B2 | Illumination apparatus and liquid crystal display apparatus | Physics | 6 | Active |
| US6226234A | Magneto-optic recording medium and reproducing method for reproducing magnetic domain in enlarged form on a reproducing layer | Physics | 5 | Expired |
| US6556516B1 | Reproducing method and reproducing apparatus for magneto-optical recording medium using different radiation patterns | Physics | 5 | Expired |
| US6693854B2 | Reproducing method and reproducing apparatus for magneto-optical recording medium | Physics | 4 | Expired |
| US5639563A | Magneto-optical recording medium | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.