Inventor · Chikuzen, JP

Fumio Ichihara

24Patents
10h-index
17Co-inventors
72Inventor score

Filing activity: Dec 20, 1978 → Mar 5, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
USD584661S1 All terrain vehicle General 34 Expired
USD584662S1 Side cover for a motorcycle General 28 Expired
USD594784S1 Motorcycle General 24 Expired
USD581840S1 Motorcycle General 24 Expired
USD622645S1 Hood for utility vehicles General 20 Expired
US7841639B2 Utility vehicle equipped with extendable cargo bed Performing Operations; Transporting 18 Active
USD583714S1 Motorcycle General 15 Expired
US4303917A Fluorescent display device Electricity 15 Expired
USD571026S1 Head light for a motorcycle General 11 Expired
USD580076S1 Head light for a motorcycle General 11 Expired
US8040235B2 Relay apparatus and electric appliance Electricity 10 Active
US7766355B2 Motorcycle rear fender assembly Performing Operations; Transporting 7 Active
US7949056B2 Balanced transmitting apparatus Electricity 5 Active
US8139759B2 Line state detecting apparatus and transmitting apparatus and receiving apparatus of balanced transmission system Electricity 4 Active
USD529832S1 Meter for a vehicle General 4 Expired
US7912139B2 Multi-carrier communication apparatus, power line communication circuit, and multi-carrier communication method Electricity 3 Active
US7319384B2 Communication apparatus and communication method Electricity 2 Active
US7633774B2 Power supply apparatus for suppressing attenuation of a transmission signal Electricity 2 Active
US7864658B2 Multicarrier communication method and system, and communication apparatus incorporated therein Emerging Cross-Sectional Technologies 2 Active
US8860559B2 Power supply device Emerging Cross-Sectional Technologies 2 Active
US8336951B2 Mud guard structure having windows Performing Operations; Transporting 2 Active
US7633964B2 Communication apparatus, communication system and communication method Electricity 1 Active
US7391332B2 Radiation information management device and communication device Electricity 1 Expired
US8847751B2 Line status detection apparatus, communication apparatus, and line status detection method Electricity 1 Active

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