“Ogata’s poetics is double; and as soon as he states one thing, he completes it with its opposite. He abandons himself to the transformations of the natural “fragments”
Floriano De Santi, art critic and historian



He displayed his first sculptures at Tokyo's Shinseisaku-Kyokai 1969 and in 1970 he moved to London where he studied at the British Museum. After a long journey around Europe, he went to the United States and Mexico. 
After arriving in Italy in 1971, he first enrolled at the Accademia di Belle Arti di Brera, under the guidance of Francesco Messina, then at the one in Florence, in Rome with Emilio Greco, later enrolling at the Accademia in Carrara 1973. 

His most significant solo exhibitions include: Palazzo Strozzi, Florence 1973; Daimaru Gallery, Osaka 1980; Hanshin Gallery, Osaka 1981, 1988; Museum De Zalm, Mechelen 1983; Studio Bonifacio, Genoa 1984; Galerie Amaryllis, Brussels 1986, 1990; Art Museum Ginza, Tokyo 1990; Salone Kursaal, Grottammare (winner of the "Premio Nazionale P. Fazzini", 1990); Palazzo Comunale, Castelnuovo Magra, SP 1993; Akasaka Yu Gallery, Tokyo 1994, 1997; Shokando Gallery, Kyoto 1995; Galeria Art Dama, Tarragona 1995; Villa Croce, Genoa 1998; Consulate-General of Japan, Milan 2000; City Museum, Miyakonojo 2001; Istituto Romeno di Cultura, Palazzo Correr, Venice 2004; La Galerie de la Cathedrale, Freiburg 2005; Belle Usine, Fully, Switzerland 2005; Museo Crocetti, Rome 2005; Abbazia di Rosazzo, Manzano, Udine 2007; "Oscar" park, city centre, and Galleria Anna Breda, Padua 2009.

His numerous group exhibitions include: Internationale Kunstmesse, Düsseldorf 1974 and Cologne 1975; "Giappone oggi", Casa dell'Arte, Sasso Marconi 1975; "Quadriennale", Rome 1977; Japanese Cultural Institute, Rome 1979; "Italia e Giappone", Museo d'Arte Moderna, Osaka 1979; "Biennale", Arese 1980; "Grands et Jeunes d'Aujourd'Hui", Paris 1982; "Idiomi della scultura contemporanea", Sommacampagna 1984; "Biennale del bronzetto", Padua 1986, 1995; "Lo spirito della pietra", Accademia Nazionale di San Luca, Rome 2005; "Arte&Città", S. Giovanni in Persiceto, Bologna 2006.

His works can be found in major public and private collections all over the world, including: The city of Miyakonojo, Japan; Germany; Campo del Sole, Tuoro sul Trasimeno; Spain; the "Umberto Severi" foundation, Pozza di Maranello, Modena; Muju, Korea; Yes World Trade Center Building, Taipei, Taiwan; Hotel Terme di Saturnia; Lebanon; Guilin Yuzi Paradise, China; France; Hungary; Sapporo, Japan; the church of Santa Maria di Costantinopoli, Angri, Salerno; ISOU-University, Kaohsiung, Taiwan; Turkey.
He has been awarded numerous prizes, including: "First Prize for Sculpture", Concorso Internazionale Brunelleschi, Florence 1976; "Gold Medal", Biennale Intemazionale del Bronzetto, Ravenna 1981; "Cosmos Common Prize", Gran Prix Iizuka, Japan 1991; "First Prize, L'Art en la matiére", La Côte-Saint-André, France 1993; "First Prize" Premio Sulmona 2000. He participated several times in international sculpture symposiums in Europe, Japan, China, South Korea, Taiwan, Lebanon, Israel, Mexico and the United States, during which he won prestigious prizes. 

In the Apuan-Versilia territory, where he works at the  Laboratori Luigi Corsanini and Statuaria Arte  and at the Segherie Mazzucchelli in Carrara and GMC in Ortonovo, as well as in the Fonderie Tommasi, Del Chiaro and Versiliese  in Pietrasanta, he participated in several exhibitions, among which the following solo shows: Antico Uliveto, Querceta 1994; Museo del Marmo, Carrara 1996; Castello Malaspina, Massa 1999; Chiesa del Suffragio, Carrara 2005.