Hiroshi Sakamoto
273Patents
21h-index
271Co-inventors
93Inventor score
Filing activity: Mar 8, 1977 → Mar 8, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6512360B1 | Self-induction-type stroke sensor | Physics | 1,317 | Expired |
| US4772994A | Power source using high-frequency phase control | Electricity | 204 | Expired |
| US6040986A | Non-contact power transmitting device having simplified self-oscillation feedback loop which interrupts power transmission when no load is present | Electricity | 84 | Expired |
| US8040343B2 | Map display device and map display method | Physics | 73 | Active |
| US5488552A | Inverter power supply | Emerging Cross-Sectional Technologies | 72 | Expired |
| USD890200S1 | Display screen with graphical user interface for a construction machine | General | 52 | Active |
| US6258006A | Transmission, vehicle, hybrid vehicle, and control unit therefor | Emerging Cross-Sectional Technologies | 45 | Expired |
| US6566862B1 | Self-induction-type position detector device for detecting object position | Physics | 44 | Expired |
| US4507669A | Thermosensitive recording sheet | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5099406A | DC-DC converter with surge voltage prevention | Electricity | 36 | Expired |
| US5027263A | Switching power source means | Emerging Cross-Sectional Technologies | 36 | Expired |
| US7185722B1 | Power transmission apparatus of motor vehicles | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6034624A | Induction-type linear position detector device | Physics | 29 | Expired |
| US7150698B2 | Power transmission apparatus for automobile | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4679091A | Multiple scanning type television receiver | Electricity | 26 | Expired |
| US6341541B1 | Power transmission system of an automobile | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5710509A | Phase difference detection device for an inductive position detector | Electricity | 24 | Expired |
| US5019770A | Switching power source device having energy recovery | Electricity | 24 | Expired |
| US4926302A | Switching power source device | Electricity | 22 | Expired |
| US5592367A | Apparatus for non-contacting feeding of high frequency power | Electricity | 21 | Expired |
| US6656090B2 | Control method and system for vehicle | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US7591203B2 | Control apparatus and control method for vehicle | Emerging Cross-Sectional Technologies | 21 | Active |
| US6722230B2 | Power transmission apparatus of motor vehicles | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5393823A | Coating resin composition | Chemistry; Metallurgy | 20 | Expired |
| US5594314A | Secondary battery discharge adaptor | Emerging Cross-Sectional Technologies | 20 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.