October 1935
Horikiri-Spring Seisakusho founded in Horikiri-cho, Katsushika-ku, Tokyo with capital of 100,000 yen.
December 1939
Capital increased to 480,000 yen
Jun. 1950
Begins delivery of leaf springs for heavy-duty vehicles to Hino Motors, Ltd.
January 1953
Capital increased to 7.5 million yen
Began supplying 100% of assembly leaf springs to Hino Motors, Ltd. and also began supplying leaf springs for repairs through Hino Motors' nationwide sales network.
Feb. 1953
Chiba Plant is constructed in Makuhari-cho, Chiba City, and the coil spring division is relocated from the head office to increase production.
Feb. 1962月
Capital increased to 90 million yen
Constructed a new plant and production facilities for leaf springs division at Chiba Plant
May 1969
Head office relocated to Makuhari-cho, Chiba City, and Chiba Plant renamed the Head Office Manufacturing Plant.
December 1969
Capital alliance with Nippon Shojo Co.
Aug. 1971
Export of large leaf springs to the U.S. begins.
Apr. 1973
Construction of Yachiyo Plant begins at Kamikouya Industrial Park in Yachiyo City to accommodate new product development and increased production.
Nov. 1974
Received the Deming Prize 1974 Implementation Award for Small and Medium Enterprises
Jan. 1975
Leaf spring manufacturing facilities were relocated to the Yachiyo Plant at the head office manufacturing facility, completing the consolidation of the leaf spring division.
Feb. 1977
Capital increased to 225 million yen
May 1977
Closed the Chiba Plant and completed consolidation at the Yachiyo Plant.
Jul 1985
Successful development of new leaf spring “Tufflex®”
Jun. 1987
Started delivery of “Tufflex®” to PACCAR in the U.S.A.
Aug. 1988
Started delivery of “Tufflex®” to Toyota Motor Corporation
Jun. 1989
Started delivery of “Tufflex®” to Hino Motors, Ltd.
Jan. 1990
Started delivery of “Tufflex®” to Mack Trucks, U.S.A.
Apr. 1995
Leafspring 2nd MAF line completed.
Mar. 1997
Capital increased to 37,500 million yen
Apr. 1997
Company name changed to HORIKIRI Inc.
May 1997
New office completed
Jan. 1999
ISO9001 certification acquired
Dec. 1999
Completed stabilinker line and began delivery to Hino Motors, Ltd. and UD Trucks, Ltd.
May 2001
ISO 14001 certification acquired
Oct. 2002
Started delivery of Monolief to MAN Truck & Bus in Germany
Dec. 2002
Started delivery of stabilinker to PACCAR in the U.S.A.
Jan. 2003
Revised to ISO9001-2000 version.
May 2003
Started delivery of Stabilinker to Isuzu Motors Limited.
Oct. 2003
Ltd. becomes the largest shareholder of Nippon Shokubai Co.
Mar. 2004
ISO/TS16949:2002 certification
May 2004
Updated registration to ISO14001-2015
Jul. 2004
Mass production of the second stabilizer linker line begins.
Jun. 2006
Started delivery of stabilizers to Hyundai Motor Co.
May 2009
Completed new combined heat treatment line
Mar. 2018
Registered for IATF 16949 certification
Apr 2018
New materials warehouse completed
Feb. 2020
Automated parts warehouse completed.
Oct. 2021
Leaf Spring 3rd MAF line completed.
Jan. 2024
Expanded the automated parts warehouse.