Table A12 A list of basic patents appearing along path 1

GATitle
1982A3601JHigh-temperature battery with thermal insulation - has air cooling maximised due to positioning of inlet and outlet channels in cells of slide-in module
1984165788High temp. storage battery for electric vehicle - has cooling medium distributor plate between storage cells and double walled insulated housing
1995105768Battery securing structure for electric vehicle - has lower inner spacer which has partitions divided into separate compartments in which batteries are disposed, and upper inner spacer member including pressing portions which hold batteries in position
1995044692Electric vehicle traction battery exchange system including special lifter - hoists batteries in compact array with cabling to multipole plug connector in casing supported on underside of vehicle
1997254522Battery structure of electric vehicle - comprises vent ports through which cooling air is caused to vertically flow in each compartment
1998507027Battery assembly, e.g. for electric vehicle - has modules inserted into casing with fixed bulkheads and intermediate bulkheads
1998600272Battery power supply unit for electric vehicles - has pair of end plates made of resin to which bar is inserted and molded
1999196071Flat circuit harness for battery unit used in electric vehicle - has insulation sheet on its surface to cover flat conductor circuit that are connected to terminal of each battery of battery unit
1999193225Connecting plate for electric vehicle battery holder
1999193226Connecting plate for electric vehicle battery holder
2000372173Connection plate for battery in electric vehicle, has wire protector provided in junction between bus bar and voltage detection terminal
2004238335Battery connecting plate for electric vehicle, has upper and lower covers attached to plate body to fix terminal on body, where terminal has tolerance compensator compensating positional difference between two portions of terminal
2005495929Lead member for secondary battery module useful in industrial instrument or electric cars, connects two adjacent cells and forms single series circuit through electrode terminals of cells
2009K62394Battery system for use in e.g. electric vehicle, severs electrical connection between cells of battery packs locally in response to excessive impact force during over-current or over-temperature conditions
2009K61707Electrochemical storage cell for lithium ion polymer battery system used in e.g. electric vehicle, has protection cover whose half portions are coupled with each other

Table A13 A list of basic patents appearing along path 2

GATitle
1976H6789XElectric vehicle drive control - with single regulator switched to either armature or field coils for wide range of torque control
1975G1168WState-of-charge indicator for battery of electric vehicle - includes integrator and cct. for compensating discharge current
1982F1408EMonitoring system for traction battery pack - has individual voltage monitors for each sub-pack and providing signal only when associated on-load voltage falls below preset limit
1982A7792EDetermining state of charge of accumulators - deriving battery voltage corrected for polarisation voltage and electrolyte-t electrolyte temp.
1983845911Combined battery charge state evaluator and motor control - has microcomputer calculating used charge by integrating battery current data and remaining charge from voltage data
1990025013Battery monitoring system for e.g. electric vehicle - calculates total possible discharge durations to indicate remaining discharge time available
1993289950Operating parameter monitor for lead acid battery - has voltage, current and temperature sensors and periodically evaluates parameters of battery to determine state
1994360288Rechargeable storage battery remaining capacity measuring appts - has switching device responsive to command signal from electronic control unit for setting battery in disconnected state to all loads except ECU
1996353962Battery residual capacity meter for driving motor of electric vehicle - detects V-I characteristic by reading voltage and current when battery current is more than 0.75 C and increasing in high load state, and calculates residual capacity from measured V-I characteristic and stored relation
1997097952Battery condition detecting system e.g for electric vehicle - includes regression line calculator which determines internal resistance and open-circuit voltage of battery based on detected values of voltage and current of battery stored in memory
2000561391Charging state detector for battery used in e.g. electric vehicle, has battery ECU which corrects SOC electromotive voltage property based on detected supplement positive characteristic
2001130992Charging state detector for battery of e.g. electric vehicle, enables correcting SOC electromotive voltage property based on battery voltage and battery current at predetermined period
2003212521Memory effect detection method in secondary battery of vehicles, involves judging memory effect if ratio of variation in no-load voltage to variation in residual battery capacity exceeds predetermined threshold value
2007528035Battery management system for use in vehicle, has current sensor for measuring amount of output current of battery, main switch turning on/off electricity provided from battery in response to control signal, and cooling fan
2009K28998Vehicle electrical power system i.e. automotive electrical bus and charging system, controlling method, involves controlling current produced by alternator, where alternator current is equal to vehicle load current

Table A14 A list of basic patents appearing along path 3

GATitle
1993146926Power source for electric vehicle - uses non-aq. secondary battery using carbon@ material, which can be doped by and de-doped from litium ion, as negative electrode active material
1995282986Electrical energy storage device making appts. for electric vehicle - has portion of series of rollers contacting winding when winding is of initial diameter and additional rollers contacting winding when winding reaches first intermediate diameter
1996386561Negative electrode for lithium secondary battery for electric automobile, motorbike, etc. - composing at least one cell of secondary battery of carbon material with particles carrying a metal forming alloy with lithium
1999087192Lithium secondary battery for electrical and electronic equipment - uses positive electrode containing manganese content transition metal oxide and negative electrode containing carbon particles carrying metals forming or not forming alloy with lithium
2000657856Long-life lithium secondary battery, e.g. for electric power storage systems and electric vehicles, has lithium-manganese complex oxide as positive electrode active material, and amorphous carbon as negative electrode active material
2003077667Lithium secondary cell for electric car, has positive and negative electrodes made of metallic foil whose edges are joined with predetermined portions of positive/negative electrode collector
2003852941Sealed rechargeable battery for e.g. electric vehicle, has electrode plate group accommodated in a case with liquid electrolyte, with its winding axis vertical relative to the open end of the case
2006403346Closed type battery e.g. nickel hydrogen battery used in electric vehicle, has lower current collection plate welded to battery jar in range outside position corresponding to position below cap at upper portion of cover
2009J22531Secondary battery e.g. lithium ion secondary battery for electric vehicle, has junction portion directly arranged in collector plate to uniformly distribute current to collector plate from electrode plate
2010A60276Lithium ion secondary battery for electric vehicle, has steel shell as cathode, lower side edge of cathode is provided with copper foil, and copper foil is connected with steel shell by metal and/or non-metal conductive adhesive

Table A15 A list of basic patents appearing along path 4

GATitle
1995025827Lithium secondary battery mfr. - comprises use of lithium as active material of negative electrode and active material of hydroxy or carboxyl group for positive electrode
1996262178Sec. battery for use in electronic appts., memories, etc. - comprises positive electrode, negative electrode comprising carbon matter capable of absorbing and releasing lithium ions, etc.
1999246104Lithium secondary battery has superior safety and high weight energy density
2001318971Battery packs, e.g. for electric vehicle, has binding bands to bind battery modules and end plates which are arranged on both ends of battery modules
2001318964Battery module, e.g. for electric vehicle, has projection of smaller height positioned opposite to partitions in battery case, than that of another projection
2003853323Cooling device for battery pack, has cooling medium paths for allowing a cooling medium to flow in right and left directions between the longer side faces of the rechargeable batteries
2006065073Vehicle-mounted power supply unit e.g. for electric vehicle has flat electronic component box arranged in contact with one of longitudinally extending side surface of battery pack casing
2006760998Battery pack mounting structure mounted on electric vehicle, consists of direct current to direct current converter electrically connected by junction box and harness and provided at downward direction of driver’s seat
2008G34124Electrical-storage unit for motor vehicle, has reinforcement sections that are arranged at predetermined interval between electrical-storage cells of electrical-storage module along vertical direction

Table A16 A list of basic patents appearing along path 5

GATitle
1974J0644VElectric vehicle recuperative drive and braking cct. - separately excited motor field controlled by moderator
1983700815Current regulator for electric vehicle drive - limits switching regulator signal according to percentage displacement of accelerator pedal
1983828134Motor control system for electric vehicle - has separate armature and field current control circuits and current limiters
1997225651“Battery monitoring method for electric vehicle parameters such as voltage, temperature etc. - using battery monitors which physically touch and are electrically connected to respective battery modules, and are themselves connected in series loop with central computer via optical communication links”
1998520359Battery monitor for electric vehicle - deactivates selected switch after charging capacitor by selected battery voltage signal based on which voltage of selected battery is determined
2003566608Battery monitoring apparatus used in e.g. electric vehicles, monitors change of state of battery events and stores related data in memory
2005777716Multi-series battery control system for managing secondary battery e.g. lithium battery used in vehicle has control IC having cell monitor IC chip and control IC chip that are paired to control unit battery cell
2006719422Battery controller for e.g. electric power train, has switch selecting memory groups, and reader/writer writing or reading state information on secondary battery into or from memory group as selected by switch
2007821987Cell-voltage measurement circuit for battery pack, outputs digital value based on voltage which is inversely converted into lowest electric potential as common reference to measure amount of conversion to each unit battery
2008N20782Voltage sensor module for a battery pack of e.g. an electric vehicle has a reference voltage generator and a comparator that outputs undervoltage detection signal when voltage of battery cell is equal to or less than preset value
2009G53589Cell voltage abnormality detector of multi-cell serial battery, has comparison determination circuit which compares monitoring voltage and predetermined reference voltage and determines whether voltage deviates from normal voltage