Manabu Sakai
39Patents
13h-index
72Co-inventors
84Inventor score
Filing activity: Sep 3, 1991 → Jul 5, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6212680A | Multi-channel electronic programming guide and soft picture-in-picture acquisition for use with digital television | Electricity | 70 | Expired |
| US5591018A | Hermetic scroll compressor having a pumped fluid motor cooling means and an oil collection pan | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5213489A | Scroll compressor with axial vibration prevention for a shaft bearing | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US5931650A | Hermetic electric scroll compressor having a lubricating passage in the orbiting scroll | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US6039551A | Gear pump for use in an electrically-operated sealed compressor | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US5391066A | Motor compressor with lubricant separation | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5395214A | Starting method for scroll-type compressor | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US6116877A | Gear pump for use in an electrically-operated sealed compressor | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US9142298B2 | Efficient smart verify method for programming 3D non-volatile memory | Physics | 19 | Active |
| US6227828A | Gear pump for use in an electrically-operated sealed compressor | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5217359A | Scroll compressor with regulated oil flow to the back pressure chamber | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6680550B2 | Hermetic motor-driven compressor | Electricity | 13 | Expired |
| US5217360A | Scroll compressor with swirling impeller biased by cooled lubricant | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US7383029B2 | Transmitter having an inner plate for preventing an electronic substrate from coming off | Electricity | 11 | Expired |
| US5951269A | Scroll compressor having well-balanced rotary elements | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US9142302B2 | Efficient smart verify method for programming 3D non-volatile memory | Physics | 10 | Active |
| US8630118B2 | Defective word line detection | Physics | 9 | Active |
| US7974124B2 | Pointer based column selection techniques in non-volatile memories | Physics | 7 | Active |
| US9135989B2 | Write data preservation for non-volatile storage | Physics | 7 | Active |
| US9542017B2 | Illumination display switching device | Electricity | 6 | Active |
| US5395222A | Scroll compressor having recesses on the scroll wraps | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5630712A | Electrically-driven closed scroll compressor having means for minimizing an overturning moment to an orbiting scroll | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US5188521A | Scroll compressor with reduced vibration resulting from the Oldham's ring | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US8842476B2 | Erratic program detection for non-volatile storage | Physics | 3 | Active |
| US10475493B2 | Word-line pre-charging in power-on read operation to reduce programming voltage leakage | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.