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Hiroaki YOSHIDA (吉田裕秋, 9 cast roles; 6 staff as Director, Planning, Production) is two people:
(reported by xuebaochai back in 2006)

吉田裕秋 = よしだひろあき= YOSHIDA Hiroaki (voice actor) (Wikipedia page with ca. 20 credits, personal website)
吉田裕秋 - Blue Gender (TV) as Kyzyl Kum Guard leader (Marumegane)
吉田裕秋 - Bus Gamer (TV) (listed in Wikipedia page)
吉田裕秋 - (The) Gokusen (TV) as Minoru (listed in Wikipedia page)
吉田裕秋 - Hakuōki (TV) as Kyō Shiranui (listed in Wikipedia page)
吉田裕秋 - Kemonozume (TV) as various minor roles (listed in Wikipedia page)
吉田裕秋 - One Piece (TV) as Kumadori (listed in Wikipedia page)
吉田裕秋 - Peacemaker (TV) as Masterless Samurai (listed in Wikipedia page)
吉田裕秋 - Ragnarok The Animation (TV) as various minor roles (Les Voix des Anges)
吉田裕秋 - Super GALS (TV) as various minor roles (D2_STATION)
This is the person with the current kanji name.

吉田博昭 = よしだひろあき = YOSHIDA Hiroaki (director) (Allcinema entry with 12 credits, mostly non-anime)
吉田博昭 - Appleseed: Ex Machina (movie) : Production (Allcinema)
吉田博昭 - Ghost Hound (TV) : Planning (Allcinema)
吉田博昭 - Neo Angelique Abyss (TV) : Planning (livedoor wiki)
吉田博昭 - Neo Angelique Abyss -Second Age- (TV) : Planning (livedoor wiki)
吉田博昭 - Sketchbook ~full color'S~ (TV) : Planning (shirayuki)
吉田博昭 - Twilight of the Cockroaches (movie) : Director , Screenplay (movie.goo.ne.jp)
This is a different person that needs to be split off.