Ikunori Sakatani
30Patents
16h-index
42Co-inventors
81Inventor score
Filing activity: May 17, 1984 → Feb 27, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7034711B2 | Wireless sensor, rolling bearing with sensor, management apparatus and monitoring system | Mechanical Engineering; Lighting; Heating | 111 | Expired |
| US6271612A | Spindle motor | Mechanical Engineering; Lighting; Heating | 59 | Expired |
| US5683183A | Spindle device and bearing device therefor | Mechanical Engineering; Lighting; Heating | 42 | Expired |
| US4934836A | Dynamic pressure type fluid bearing device | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US4805972A | Dynamic pressure gas bearing device | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US6830379B2 | Rotation-speed sensor device | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US6695483B2 | Sensor and rolling bearing apparatus with sensor | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US4798476A | Dynamic pressure type fluid bearing | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US4547081A | Dynamic pressure type fluid bearing | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5289067A | Bearing device | Electricity | 22 | Expired |
| US6172847A | Rotational assembly for disc drive device having small runout and reduced axial displacement | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US6081057A | Spindel motor for a disc drive | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US7249891B2 | Bearing device with sensor and rolling bearing with sensor | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5046863A | Dynamic pressure bearing device | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US6894484B2 | Wheel rotation detecting device | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4856918A | Bearing device | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6033118A | Hydro-dynamic fluid bearing device and manufacturing method of the same | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US7014368B2 | Sensor and rolling bearing apparatus with sensor | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US7320257B2 | Load measuring device for rolling bearing unit and load measuring rolling bearing unit | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US7394395B2 | Wireless sensor, rolling bearing with sensor, management apparatus and monitoring system | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5882122A | Rolling bearing and spindle apparatus | Physics | 10 | Expired |
| US6074098A | Hydro-dynamic fluid bearing device and manufacturing method of the same | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7116095B2 | Wheel rotation detecting device | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6264368A | Fluid bearing motor | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6712513B2 | Fluid bearing device | Electricity | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.