Patent ID: 8781740

Claim:
A driving operation diagnostic apparatus comprising: a storage unit configured to store traveling history information items on a vehicle, the traveling history information items being respectively associated with trips each being a segment from a start of a driving operation to an end of the driving operation; and a processor, the processor being configured to determine, in a determination unit, whether to assign one of the traveling history information items, which is stored in the storage unit and associated with one trip, to a predetermined time period, the one trip being partially included in the predetermined time period; determine, in the determination unit, whether a travel period of the one trip included in the predetermined time period is longer than a travel period of the one trip excluded from the predetermined time period; diagnose, in a driving operation diagnostic unit, a driving operation of a driver in the predetermined time period according to the traveling history information item determined by the determination unit to be assigned to the predetermined time period, wherein the one trip is determined to be assigned to the predetermined time period when the travel period of the one trip included in the predetermined time period is determined to be longer than the travel period of the one trip excluded from the predetermined time period; and determine the one trip to not be assigned to the predetermined time period, when the travel period of the one trip included in the predetermined time period is determined to not be longer than the travel period of the one trip excluded from the predetermined time period.