Inventor · Kawasaki, JP

Akiyoshi Uchida

65Patents
7h-index
26Co-inventors
72Inventor score

Filing activity: May 27, 1988 → Dec 14, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US8217535B2 Wireless power supply apparatus Electricity 41 Active
US6724702B2 Apparatus for reproducing recorded data Physics 24 Expired
US9362985B2 Portable apparatus and feed system Electricity 24 Active
US9130386B2 Wireless power transmitting device and wireless power transmission system having a variable distance between a feeding surface and a power transmitting coil Electricity 18 Active
US8933583B2 Wireless power supply system, wireless power transmitting device, and wireless power receiving device Electricity 11 Active
US8854216B2 Power transmission device, wireless power supply system, and wireless power supply device Electricity 11 Active
US9558884B2 Power transmission apparatus Electricity 7 Active
US6667841B2 Apparatus for recording and regenerating data Physics 6 Expired
US6982937B2 Data reproducing apparatus Physics 6 Expired
US7095698B2 Data recording device and data reproducing device Physics 6 Expired
US7486424B2 Holographic recording apparatus Physics 5 Active
US7133170B1 Holographic recording medium Physics 5 Expired
US9953763B2 Wireless power transmission system and wireless power transmission method Electricity 5 Active
US7508744B2 Recording and reproducing apparatus Physics 4 Active
US8692411B2 Wireless electric power supply method and wireless electric power supply apparatus Electricity 4 Active
US9369002B2 Power transmitting device, power receiving device, and non-contact charging method Electricity 4 Active
US7430705B2 Data recording and reproducing system, and data recording and reproducing method Electricity 4 Expired
US4952453A Acrylic fibers with high physical properties Emerging Cross-Sectional Technologies 4 Expired
US8666459B2 Cellular phone Electricity 3 Active
US6891689B2 Apparatus for reading data Physics 3 Expired
US6754141B1 Recording medium, method for recording and reproducing data using the medium, and magneto-optical recording apparatus Physics 3 Expired
US9698873B2 Power transmission device and power transmission and reception system Electricity 3 Active
US7324249B2 Recording and reproducing apparatus having fixed distortion correcting function Physics 3 Active
US6982942B2 Data recording and/or reproducing apparatus for demodulating data from a reproduction signal Physics 2 Expired
US10276900B2 Rechargeable battery, charging system, and electronic device Emerging Cross-Sectional Technologies 2 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.