Inventor · Fukuoka, JP

Futoshi Deguchi

28Patents
12h-index
28Co-inventors
77Inventor score

Filing activity: Feb 23, 1999 → Sep 5, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6292154A Antenna device Electricity 59 Expired
USD611039S1 Antenna General 42 Expired
US7164344B2 Non-contact IC card reading/writing apparatus Electricity 24 Expired
US7446729B2 Loop antenna unit and radio communication medium processor Electricity 21 Expired
USD611038S1 Antenna General 20 Expired
USD590379S1 Antenna General 20 Expired
US7339120B2 Electromagnetic wave shield Electricity 18 Expired
US7182266B2 Noncontact IC card reader/writer Physics 15 Expired
US7227504B2 Gate antenna device Electricity 14 Expired
US7457637B2 Noncontact recording medium reader/writer Physics 14 Expired
USD608770S1 Antenna General 13 Expired
US6677905B2 Antenna device and mobile communications apparatus including the device Electricity 12 Expired
USD594857S1 Antenna General 10 Expired
US6448931B1 Antenna Electricity 7 Expired
US8792837B2 Transmission/reception antenna and transmission/reception device using same Electricity 7 Active
US7070101B2 Loop antenna and contactless IC card read/write apparatus Physics 4 Expired
USD599787S1 Antenna General 4 Expired
US7072613B2 Wireless communication medium processing apparatus and wireless communication medium processing system Electricity 4 Expired
US9431989B2 Power transmitting device, electronic equipment and wireless power transmission system Electricity 3 Active
US7786943B2 Antenna device and radio communication system Electricity 3 Active
US10549652B2 Power transmission device Emerging Cross-Sectional Technologies 3 Active
US8508342B2 Transmitting / receiving antenna and transmitter / receiver device using the same Electricity 2 Active
US7064716B2 Integrated antenna type non-contact IC card reader/writer Physics 2 Expired
US10862341B2 Electric power transmission device Emerging Cross-Sectional Technologies 1 Active
US10790705B2 Power transmission device Emerging Cross-Sectional Technologies 1 Active

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