is a Japanese voice actor. He voiced the roles of Masuo Fuguta in Sazae-san and Jam Ojisan in Soreike! Anpanman. He also voiced Kame-Sennin during the last episodes of Dragon Ball Z and all of Dragon Ball GT, following Kōhei Miyauchi's death. He works for the Tokyo Actor's Consumer's Cooperative Society.
On August 5, 2019, it was announced that Masuoka has retired and that his roles in Sazae-san and Soreike! Anpanman will be taken over by Hideyuki Tanaka and Kōichi Yamadera.
2024
as Todd (voice)
2019
as (voice)
2013
as Uncle Jam (voice)
2012
as Choko Pan (voice)
2012
as Uncle Jam
2011
as (voice)
2011
2011
as Narration (voice)
2011
2010
as Jam Oji-san (voice)
2010
as Jam Ojisan (voice)
2009
as Jam Oji-san (voice)
2009
as Jam Oji-san
2009
as (voice)
2008
as Jam Oji-san (voice)
2008
as Kame Sen'nin (voice)
2008
as Uncle Jam (voice)
2007
as Jam-Ojisan
2006
2006
as Jam Oji-san
2006
2004
as (voice)
2003
as Jam-ojisan
2003
2002
as Oji-san (voice)
2001
as GaoGod (voice)
2001
as Narrator (voice)
2001
as Gao God
2000
as Uncle Jam (voice)
1999
as Uncle Jam (voice)
1998
as Toshio Asakura (voice)
1998
as Jam Oji-san (voice)
1997
as Jam Oji-san (voice)
1997
1996
as Jam Oji-san
1996
as Uncle Jam (voice)
1994
as Jam-Ojisan
1994
as James
1993
as Jam Oji-san
1993
as Haniwa Ventriloquist (voice)
1992
as チャッピー
1992
as Shouchou Anderson (voice)
1992
1992
as Jam Ojisan
1992
as Jam Ojisan (voice)
1991
as Temujin
1991
as Hirokawa (voice)
1991
as Uncle Jam (voice)
1991
as Jam Ojisan
1991
as Jean's uncle (voice)
1990
as Jam Oji-san (voice)
1990
as Jean's Uncle (voice)
1990
as Misako's father (voice)
1990
as Griggs
1989
as Uncle Jam (voice)
1989
as Sa Gojo (voice)
1989
as Master Roshi (voice)
1989
as Secondary chairman (voice)
1989
as Dick Lunland
1988
as Priest (voice)
1988
as Noboyuki
1988
1987
as Mustaki
1987
as 福助
1987
as Secretary (voice)
1987
1987
as 佐倉十朗
1986
as Toshio Asakura (voice)
1986
as Superior Officer (voice)
1986
as Dreampacker (voice)
1986
1986
as Torazo (voice)
1986
as Habaro (voice)
1986
as Chief (voice)
1985
as Gator (voice)
1985
as Navigator Gator (voice)
1985
as Gaata (voice)
1985
as Peter's father
1984
as Todd (voice)
1983
as パック
1983
as ボギー
1982
as Dr. Deko
1982
1982
1981
as Zenmai Jikake
1981
1980
as Katsuzo Yamatani
1980
as Shozo Tanuma
1979
as Kyutaro Otaki (voice)
1979
as Village Headman (voice)
1979
as Gutch
1979
as Left Hand Monster (voice)
1978
as Leader (voice)
1978
as 牛五郎
1978
as Gutch (voice)
1978
as Mr. Takakura
1977
as 丘知将
1977
as オッカナビッチ
1977
as Zuhl
1977
as General Oka
1975
as Sun Halo Mask (voice)
1975
as Iron Claw Mask (voice)
1975
as Large Hatchet Mask (voice)
1975
as Telephone Mask (voice)
1975
as Shellfish Mask (voice)
1975
as Can Opener Mask (voice)
1975
as Piano Mask (voice)
1975
as Clock Mask (voice)
1974
as ブタのヨイチ
1974
as Non's Papa (voice)
1973
as Hebi-tsubo (voice)
1973
as Ryuugyo (voice)
1973
as Yuki-Nyudou (voice)
1972
as Doriate
1971
as 豪田
1970
as Tarou
1969
as Masuo (voice)
1969
1968
as Geronimo Junior / Cyborg 005 (voice)
1967
as Geronimo Junior / Cyborg 005 (voice)
1966
as Geronimo Junior / Cyborg 005 (voice)
1963
as Bear (voice)