Tetsuo Ueda
43Patents
12h-index
68Co-inventors
84Inventor score
Filing activity: Oct 28, 1975 → Jun 27, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6981205B2 | Data storage apparatus, read data processor, and read data processing method | Physics | 114 | Expired |
| US6622206B1 | Method for controlling write cache transfer and disk unit | Physics | 42 | Expired |
| US6289416A | Disk drive device and a method for controlling the same | Physics | 33 | Expired |
| US6049439A | Data error recovery using reduced speed | Physics | 33 | Expired |
| US5817284A | Method for decomposing halide-containing gas | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6671110B2 | Method and apparatus for detecting abnormal magnetic head fly height | Physics | 29 | Expired |
| US6487028B1 | Servo system for disk-flutter in rotating storage systems | Physics | 22 | Expired |
| US6574065B1 | Method and apparatus for adaptive resonance mode cancellation servo in a rotating storage system | Physics | 20 | Expired |
| US7561365B2 | Disk drive and control method thereof | Physics | 20 | Active |
| US6496315B1 | Disk drive with off-track write prevention | Physics | 15 | Expired |
| US6441982B1 | Dummy write method for a magnetic head and drive unit for carrying out the method | Physics | 14 | Expired |
| US5969895A | Disk drive apparatus and head switching method in a disk drive apparatus | Physics | 14 | Expired |
| US6111714A | Disk drive and write control method for a disk drive | Physics | 11 | Expired |
| US7209311B2 | Data storage device and control method therefor to prevent off-track writing | Physics | 10 | Expired |
| US7271976B2 | Magnetic disk drive and method for seek operations with reduced noise | Physics | 10 | Expired |
| US7298566B2 | Data storage device and control method therefor involving flying height | Physics | 9 | Expired |
| US6914745B2 | Head movement controlling based on servo generated speed control values | Physics | 9 | Expired |
| US6476997B2 | Disk device, track positioning method and method for generating a position error signal | Physics | 9 | Expired |
| US4049540A | Process for the thermal cracking of heavy oils with a fluidized particulate heat carrier | Chemistry; Metallurgy | 9 | Expired |
| US6339512B1 | Disk-flutter servo control in rotating storage system with optimum disk thickness | Physics | 8 | Expired |
| US6597530B2 | Method and apparatus for disk drive seek control | Physics | 8 | Expired |
| US6556369B1 | Disk drive device with a high frequency access method and apparatus | Physics | 7 | Expired |
| US4259177A | Process for the production of olefins | Chemistry; Metallurgy | 6 | Expired |
| US7675701B2 | Method and apparatus for detecting servo timing marks in a magnetic disk system | Physics | 6 | Active |
| US6216050A | Actuator control apparatus and magnetic disk unit | Physics | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.