1999 Following an economic downturn, the team transitioned from a corporate team under Recruit Co., Ltd., to a club team.
2002 Recruit withdraws team sponsorship. Team became a self-supporting club team under the name "Seagulls".
2003 Obic Co., Ltd., becomes new team sponsor. Team name changed to Obic Seagulls.
2005 Won third League and national title.
2012 Went on record as being the 1st club team in Japan (Among currently registered X-League teams) to play in an international exhibition game (Germany/Dresden Monarchs).
2013 Played in an international exhibition game in Dusseldorf, Germany vs. the Dusseldorf Panthers. Became the first Japanese team to win 4 consecutive national championships dating back to 2010.
2014 Played in a sister cities international exhibition game in Tuscaloosa, Alabama, U.S.A. vs. the APDFL(Amateur to Professional Developmental Football League) Blazers.[2]
Won Wild Card match (Nissan Prince Tokyo) 56-21 Won semi-finals match (Asahi Soft Drinks) 21-16 WonTokyo Super Bowl XXII (Asahi Beer) 45-24 Won 52nd Rice Bowl National Championship game (Ritsumeikan) 30-16
David Stant
1999
Central
2nd
4
2
0
Won Wild Card match (Mycal) 37-7 Lost semi-finals match (Kashima) 13-20
David Stant
2000
Central
1st
6
0
0
Lost semi-finals match(Asahi Soft Drinks) 15-23
Makoto Ohashi
2001
Central
1st
5
0
0
Won Wild Card match (Fujits) 24-14 Lost semi-finals match(at Matsushita Denko) 7-10 OT
Makoto Ohashi
2002
Central
1st
5
1
0
Won semi-finals match (Asahi Soft Drinks) 30-0 WonTokyo Super Bowl XVI (Fujitsu) 14-7 Lost 56th Rice Bowl National Championship game (at Ritsumeikan) 13-36
Makoto Ohashi
2003
Central
2nd
4
2
0
Lost Wild Card match (Asahi Soft Drinks) 9-16
Makoto Ohashi
2004
East
2nd
4
2
0
Won Wild Card match (Kashima) 10-3 Lost semifinals match (Matsushita Denko) 7-10
Makoto Ohashi
2005
East
1st
6
0
0
Won Semifinals match (Asahi Beer) 13-7 Won Japan X Bowl XIX (Matsushita Denko) 25-16 Won 59th Rice Bowl National Championship game (Hosei) 47-17
Kevin Jackson (MVP)
Makoto Ohashi
2006
East
1st
4
1
0
Won Wild Card match (Naigai Denki) 74-13 Lost semifinals match (Onward) 13-17
Makoto Ohashi
2007
East
2nd
6
1
0
Won Wild Card match (Kashima) 19-13 Lost semifinals match (Matsushita Denko) 26-29
Makoto Ohashi
2008
Central
2nd
6
2
0
Lost Wild Card match (Panasonic) 14-20
Makoto Ohashi
2009
East
2nd
7
2
0
Won 2nd stage match (IBM) 21-7 Lost 2nd Stage match (Panasonic) 20-23
Makoto Ohashi
2010
Central
1st
8
1
0
Won 2nd stage match (Suita) 56-2 Won 2nd stage match (IBM) 55-27 Won Final stage match (Kajima) 28-21 Won Japan X Bowl XXIV (Panasonic) 20-16 Won 64th Rice Bowl National Championship game (at Ritsumeikan) 24-0
Makoto Ohashi
2011
Central
1st
7
0
0
Won 2nd stage match (All Mitsubishi) 49-0 Won 2nd stage match (Asahi Soft Drinks) 20-13 Won Final stage match (Kajima 45-20 Won Japan X Bowl XXV (Fujitsu) 24-17 Won 65th Rice Bowl National Championship game (Kwansei Gakuin) 38-0
Makoto Ohashi
2012
Central
1st
9
0
0
Won 2nd stage match (Asahi Beer) 69-7[3] Won 2nd stage match (Asahi Soft Drinks) 29-12[4] Won Final stage match (Nojima) 24-10[5] Won Japan X Bowl XXVI (Kajima) 27-24[6] Won 66th Rice Bowl National Championship game (at Kwansei Gakuin) 21-15[7]