It is said that Inuyama castle-tower was founded in about 1537, in Muromachi-era. At present, this is an established theory and there seems to be no room for doubt in it. However, the examination of basis of this theory brought about some new views. The new views are roughly as follows. 1. The first and second floor of the castle-tower are hitherto said that they were constructed in about 1537 by Nobuyasu Oda, but it is proved that they were built in 1601 by Yoshitsugu Ogasawara. 2. The third and fourth floor are hitherto said that they were built in about 1600 by Yoshitsugu Ogasawara, but it is also proved that they were built in about 1620 by Masanari Naruse. 3. Therefore, Inuyama castle-tower was, founded not in Muromachi-era but in early Edo-era (or Momoyamaera).
