[1] Lieutenant (junior grade) Hidaka was one of the division leaders (Buntaichō) on carrier Hōshō from December 1941 to April 1942.

[1] Prior to the Battle of the Eastern Solomons, Lieutenant Hidaka was temporarily transferred to the carrier Zuikaku as a part of Ayao Shirane's fighter squadron.

This action prevented part of the CAP from attacking the dive bombers and resulted in at least one Wildcat being destroyed.

[2] After the battle, on 28 August, he was temporarily stationed on Buka Island along with Shōkaku and Zuikaku air groups to fly a few missions against Guadalcanal.

Lieutenant Hidaka made the decision to abandon his escort duty and attack the enemy strike force.