He married Julieta Erediano and the couple bore children namely Molly, Wesley, Rene, Bennie, Tita, Lorna, Letecia, and Annabelle.

[3] Campaigning under the Liberal Party,[4] he was voted as representative of the Cebu's 3rd legislative district during the 2nd Congress of the Republic in 1949.

[2][6] In a landmark Supreme Court decision on the matter of attorney's fees, Sato successfully defended the right to compensation for services rendered to the estate of Rallos family.

Rallos would later refuse to pay, prompting Sato to file a suit.

[7] The founders of Southwestern University, Matias Hipolito Chavez Aznar II and Anunciacion Barcenilla who were his clients, appointed him as the first dean of the institution's College of Law.