Takao Matsui
33Patents
10h-index
73Co-inventors
78Inventor score
Filing activity: Dec 15, 1980 → May 7, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4669688A | Cable clamp | Emerging Cross-Sectional Technologies | 127 | Expired |
| US4345000A | Transparent electrically conductive film | Emerging Cross-Sectional Technologies | 66 | Expired |
| US5754150A | Liquid crystal luminance adjusting apparatus | Physics | 47 | Expired |
| US6650491B2 | System and method for setting a read/write offset and for recovering from data read errors | Physics | 30 | Expired |
| US5080736A | System for mounting a hub to an optical disk and a method therefor | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6483055B1 | Seat sensor and detection device using the same | Electricity | 24 | Expired |
| US6259573A | Preamplifier circuit with magnetoresistive sensor ESD protection | Electricity | 22 | Expired |
| US5561566A | Information recording disk and drive system using no sector ID to increase data storage capacity | Physics | 17 | Expired |
| US5615063A | Magnetoresistive head bias current switching based on skew angle | Physics | 16 | Expired |
| US6275028A | Methods for initializing and/or resetting GMR heads by applying oppositely directed magnetic fields | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6490115B1 | Error recovery in unit using GMR sensor | Physics | 10 | Expired |
| US8068299B2 | Disk drive device and data rewrite method thereof | Physics | 8 | Active |
| US7365280B2 | Switch and manufacturing method thereof | Electricity | 7 | Expired |
| US8008588B2 | Contact switch | Electricity | 7 | Active |
| US8548706B2 | Device operable to control turning of vehicle | Performing Operations; Transporting | 5 | Active |
| US6803795B2 | Comparator circuit | Electricity | 3 | Expired |
| US7852594B2 | Device and method for specifying control value for controlling clearance between head and disk, and magnetic disk drive device | Physics | 3 | Active |
| US5296980A | Magnetic disk apparatus having recording heads for opposite disk surfaces which are offset from each other | Physics | 3 | Expired |
| US7783840B2 | Method and apparatus for controlling memory system | Physics | 3 | Expired |
| US6091566A | Magnetoresistive head and hard drive system having offsets from center of the servo area to minimize microjogging | Physics | 3 | Expired |
| US7494738B2 | Fuel cell separator and method of manufacturing the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US7467261B2 | Dual storage apparatus and control method for the dual storage apparatus | Physics | 2 | Active |
| US7852589B2 | Disk drive | Physics | 2 | Active |
| US7761215B2 | Device operable to control turning of vehicle using driving and braking force for understeering and oversteering | Performing Operations; Transporting | 2 | Active |
| US7157684B2 | Receiving circuit for free-space optical communication | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.