Timeline for all types of items produced by
Seibu Kaihatsu, Inc. [Japan]

Year	Items
1984	1
1985	2
1986	2
1987	3
1989	3
1990	1
1991	2
1992	2
1993	3
1994	1
1995	4
1996	5
1997	2
1998	2
1999	5
2000	5
2001	5
2002	6
2003	6
2004	6
2006	2

68 items with a valid date were considered for this timeline (100.00% of the total)