Some of the video media (Bluray, DVD, laser disc, VHS tape) that Kouichi has appeared in are as follows.

1990 09.25	Tokyo City Melhen 2 (VVT-520)	Act
1992 03.25	Konya ha Zettai Carnival Ashita ha Free Kick (TYVY-3004 TYLY-3004)	Song
1992 06.21	Wataru 3 Memorial Live (VIVY-39)	Song, Talk
1992 10.21	Banana Fritters Live 92 (MEVH-48001 MELH-48001)	Song, Talk
1992.??.??	Talking Head (BELL-560)	Movie
1994 07.25	Yuugen Kaisha case file 00 (Pioneer PIVA-1027 and USA POP program)	Skit, Talk
1994.??.??	Voice Actor 30 I (KMPL-101)	Talk
1995.06.??	Bandai Entertainment Magazine 4 (Animate store promotion video)	Talk
1995 08.19	Ranma 1/2 DoCo music video (PCLE-00020)	Talk
1995 08.21	Voice Actor 30 Series Super 2 (TKPV-202 TKPL-202)	Talk
1995.??.??	Fam and Ihrlie turn 1 (BEAL-787)	Interview
1996 03.23	"Voice Actor Power Special" Studio Lips vol 3 (BVLA-10 BVVA-10)	Song
1996 03.23	Say You Club TV vol 1 (BVVA-11 BVLA-11)	Talk
1996 03.23	Say You Club TV vol 2 (BVVA-12 BVLA-12)	Talk
1996 04.24	Say You Club TV vol 3 (BVAA-13 BVLA-13)	Talk
1996 04.24	Say You Club TV vol 4 (BVAA-14 BVLA-14)	Talk
1996 05.22	Say You Club TV vol 5 (BVAA-15 BVLA-15)	Talk
1996 05.22	Say You Club TV vol 6 (BVAA-16 BVLA-16)	Talk
1997 03.26	Sakurai Tomo no Hitasura Seiyuu Shigan (PCVP-12092 PCLP-00644)	Talk
2001 10.10	AX November 2001 [DVD]	talk