[3] By the mid-1990s, Ishioka was working as a director in the softcore V-cinema field, including directing three entries in the Chikan hakusho (痴漢白書) series for the Pink Pineapple (ピンクパイナップル) company.
[4][5] At the same time, he was also involved as a director in the hardcore AV business, working for Athena Eizou and the Atlas21 studio including several videos in the "Violent Lips" series.
[12] Ishioka's second feature was another look at the dark side of Japanese society, the 2004 omnibus film Tokyo Noir (ＴＯＫＹＯ ＮＯＩＲ トウキョーノワール) where he shared writing and directing credits with Naoto Kumazawa.
[6][7] By the late 2000s, Ishioka's company Gold View had distributed a number of films in a variety of genres among which were A (1998), Visitor Q (2001), 9 Souls (2003), Haze (2005), It's Only Talk (2005), Zombie Self-Defense Force (2006) and Reigo, the Deep-Sea Monster vs. the Battleship Yamato (2008).
Ishioka spoke with Yoyogi ("Yoyochu" was a nickname) and others who had worked with him over the years including actress Kyōko Aizome, actor Taka Kato and fellow director Hikaru Kitoh.