Inventor · Chiba, JP

Toshiyuki Koike

35Patents
7h-index
38Co-inventors
69Inventor score

Filing activity: Dec 5, 1996 → Oct 24, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6949023B1 Game machine and information storage medium Human Necessities 27 Expired
US6650329B1 Game system and program Human Necessities 25 Expired
US8896268B2 Charge/discharge control circuit and battery assembly Electricity 14 Active
US5880965A Method of controlling a sheet metal machining line and apparatus for controlling the same Emerging Cross-Sectional Technologies 11 Expired
USD561170S1 Passive radiator General 8 Expired
US6725436B2 Resistor circuit Electricity 7 Expired
US7719235B2 Charge/discharge protection circuit and power-supply unit Electricity 7 Active
USD880367S1 Motorcycle General 6 Active
US7550947B2 Battery state monitoring circuit and battery device Emerging Cross-Sectional Technologies 5 Active
US8160286B2 Speaker system Electricity 4 Active
US8957638B2 Battery control circuit responsive to external signal input Emerging Cross-Sectional Technologies 4 Active
US7791315B2 Battery state monitoring circuit and battery device Electricity 3 Active
US8384355B2 Battery state monitoring circuit and battery device Emerging Cross-Sectional Technologies 3 Active
US7548627B2 Speaker, and module, electronic apparatus, and device that use the speaker Electricity 3 Expired
US8769803B2 Speaker manufacturing method Emerging Cross-Sectional Technologies 3 Active
US8138719B2 Battery state monitoring circuit and battery device Electricity 2 Active
USD558734S1 Speaker box General 2 Expired
US7737663B2 Charging and discharging control circuit and charging type power supply device Emerging Cross-Sectional Technologies 2 Active
US7923968B2 Charge and discharge control circuit and rechargeable power supply device Emerging Cross-Sectional Technologies 1 Active
US9065281B2 Charge/discharge control circuit and battery device Electricity 1 Active
US9007026B2 Charge/discharge control circuit and battery device Electricity 1 Active
US7990669B2 Battery protection circuit and battery device Electricity 1 Active
US7928694B2 Charging and discharging control circuit and charging type power supply device Emerging Cross-Sectional Technologies 1 Active
US9425789B1 Reference voltage circuit and electronic device Physics 1 Active
US9812743B2 Battery state monitoring circuit and battery device Emerging Cross-Sectional Technologies 1 Active

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