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Books about Umetsu:
Umetsu: Webster's Timeline History, 1956 - 2007 by Icon Group International (Jun 11, 2010)
Ku.ju.ku a Kite -Yasuomi Umetsu ART Works Japan Book
Wiki information Umetsu:
Yasuomi Umetsu is a Japanese animator known for creating Kite and Kite: Liberator.
Tomohiro Umetsu is a professional Japanese baseball player.