Makoto Asakura
44Patents
9h-index
40Co-inventors
75Inventor score
Filing activity: Mar 15, 1989 → Apr 13, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5021969A | Manipulator operating apparatus | Physics | 39 | Expired |
| US7106549B2 | Magnetic recording and reproducing apparatus and magnetic recording medium | Physics | 29 | Expired |
| US6576689B2 | Water based coating composition | Chemistry; Metallurgy | 24 | Expired |
| US7345838B2 | Magnetic recording media and magnetic recording and reproducing apparatus | Physics | 12 | Expired |
| US6661751B2 | Track-following method in optical disc apparatus and optical disc apparatus adopting this method | Physics | 11 | Expired |
| US7262932B2 | Magnetic recording medium and magnetic recording/reproducing apparatus | Physics | 11 | Expired |
| US7312946B2 | Method and apparatus for servo control in a disk drive | Physics | 10 | Expired |
| US7262931B2 | Disk drive using magnetic disk medium of discrete track recording | Physics | 10 | Expired |
| US7355810B2 | Disk drive having a disk medium with discrete track | Physics | 10 | Active |
| US7388725B2 | Magnetic recording media, method of manufacturing the same and magnetic recording apparatus | Physics | 9 | Expired |
| US7443626B2 | Patterned disk medium for vertical magnetic recording, and magnetic disk drive with the medium | Physics | 8 | Expired |
| US10360930B1 | Disk device and method of manufacturing disk device | Physics | 7 | Active |
| US7298576B2 | Magnetic recording medium and magnetic recording/reproducing apparatus | Physics | 5 | Active |
| US7298582B2 | Magnetic recording medium and magnetic recording/reproducing apparatus | Physics | 4 | Active |
| US9384768B1 | Magnetic disk device and determining method of crossing a zone boundary | Physics | 3 | Active |
| US7298579B2 | Magnetic recording medium and magnetic recording/reproducing apparatus | Physics | 3 | Active |
| US10867632B2 | Shingled magnetic recording device capable of recording position error on non-volatile memory | Physics | 2 | Active |
| US6633531B1 | Optical disk drive | Physics | 2 | Expired |
| US9905256B1 | Magnetic disc apparatus | Physics | 2 | Active |
| US7525755B2 | Magnetic recording medium and magnetic recording/reproducing apparatus | Physics | 2 | Active |
| US8611037B2 | Magnetic disk drive and method for servo burst data correction | Physics | 2 | Active |
| US11094342B2 | Disk device | Physics | 1 | Active |
| US10854238B2 | Magnetic disk device and linearity error correction method | Physics | 1 | Active |
| US10056100B1 | Magnetic disc apparatus | Physics | 1 | Active |
| US7298580B2 | Magnetic recording medium and magnetic recording/reproducing apparatus | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.