Executives of old branch of Daimaru family Seiichiro, the 8th generation founds a stationery dealer "Nishikawa Siichiro Syoten" at Zaimokucho 17, Higashi-ku Osaka city on May 1st 1932. Moves the shop to Andojibashidori Minami-ku in 1934. 1932 Seiichiro, the 8th generation founds a stationery dealer "Nishikawa Siichiro Syoten" at Zaimokucho 17, Higashi-ku Osaka city on May 1st 1932. Moves the shop to Andojibashidori Minami-ku in 1934. 1935 Adopts budgeriger (Sekisei inko) as the trade mark.

1949 Founds "SEKISEI Bungu Co., LTD". Released Compass Pen. 1953 Issues the 1st edition of General Catalogue. 1957 Invents the visible recorder "Movie Style".

1966 Releases the list of registered voter based on the public office election law.

1966 Establishes new company logo and company flag based on corporate identity.

1968 Separates paper product manufacturing division and founded SEKISEI KOSAN CO., LTD in Matsubara city on May 23rd.

1974 Completes the construction of new building of Tokyo sales branch on Oct 13th. RC 5-story, floor area 517.8m2.

1974 Completes the construction of Matsubara distribution center on Oct 7th. RC 3-story, stilt building, floor area 2,107m2.

1976 Releases KAKERU Album.

1983 Completes and cerebrates the construction of new building of Osaka Head Office on Oct 1st. RC 6-story, floor area 1,205.58m2.

1985 Releases SYSBOX.

1986 Changes company logo to sedia based on corporate identity. Adopted two head office system by changing Tokyo branch to Tokyo Head Office.

1987 Releases Artart Case.

1989 Completes the automation system to promote efficiency of album production. Adopted 6 machines by 2004 along with the expansion of demand.

1993 Releases Mesh Case.

1994 Starts TV advertising "Filing Company Sedia".

1996 Releases Air Cleaner.

1997 Releases Telephone Arm.

1997 Establishes SEKISEI web site.

1997 Releases NOBIRU file S-yard.

1998 Releases HARPER HOUSE Mini free Album.

2000 Obtains ISO9001 certificate together with SEKISEI KOSAN CO. LTD.

2001 Releases MARUGOTO BOX.

2002 70th Anniversary. Founds Headwork Club.

2004 Starts Candygram business.

2004 Releases Happo Bijin Series employing reversible 3-layer foamed plastic sheet cover.

2004 Releases WAKU WAKU Scrapbooking Series.

2005 Obtains license of liquor sales.

2006 Obtains an approval of postal service Type 3 service.

2006 Obtains Privacy Mark certificate.

2006 Releases SYSLOCK SYS-2006.

2007 Releases SYSLOCK Post-in SYS-2007. Advertises on TV.

2007 Releases Kinloch Anderson Series.