岐阜城
Hidenobu followed in serving under Ishida Mitsunari during the Battle of Sekigahara in 1600. Before the battle, he had controlled Gifu Castle, an important element in Mitsunari's overall plans; however, he ended up losing the castle during the Battle of Gifu Castle against Ikeda Terumasa and Fukushima Masanori. After losing at Sekigahara, Hidenobu's vassals committed "seppuku" in Gifu Castle. The blood-stained floorboards eventually became the ceiling in Sōfuku-ji in Gifu. The ceiling is now called the . Hidenobu himself died five years after the defeat at Sekigahara.