January 1925
Our company was established as a cotton textile printing factory based on a lot of patents of the late Suetaro Matsumoto, the first president, including the True Indigo Bassen Dyeing Method.
June 1939
Naigai Bussan Co., Ltd. was established and began selling electronic materials, electric wires, and industrial chemicals.
November 1946
Shoei Co., Ltd. was established and began non-life insurance and real estate businesses.
February 1948
Established Chugoku Boshoku Co., Ltd. and entered the weaving sector (1-51 Midori-machi, Fukuyama-shi).
Opened the Osaka Sales Office (Shinanobashi Building, 2-31 Utsubo Minamidori, Nishi-ku, Osaka-shi)
August: Opened Tokyo Sales Office (2-2 Nihonbashi Kobuna-cho, Chuo-ku, Tokyo)
April 1949
His Majesty the Emperor (Prince at the time) visited the headquarters plant of Sanyo Senko Co., Ltd.
November
Absorbed and merged with Inagawa Senko Co., Ltd. to form Inagawa Plant, Sanyo Senko Co., Ltd.
April 1959
Established Daiya Sekiyu Co., Ltd. to start oil sales business
February 1965
Established the Matsumoto Ikueikai to lend scholarships to high school and university students
March 1968
August
Technology partnership with Haskel in the USA to start interlining processing
September
Established Haskel Co., Ltd. in Japan to start selling various interlining products
January 1970
Constructed Shingai Factory in Ichimonji-cho, Fukuyama-shi, and started adhesive interlining processing
1987
October
Completion and inauguration of the new head office factory, relocation and integration of the head office factory and the Inagawa factory, introduction of state-of-the-art equipment, start of modern industrialization of the dyeing industry, and start of operation (10 Ichimonji-cho, Fukuyama-shi)
March 1988
Sanyo Nissei Kawaramachi Building (10 floors above ground and 1 basement floor) completed (2-2-7 Kawaramachi, Chuo-ku, Osaka-shi)
June 1991
June 1992
March 1993
July 1995
September
January 2006
December 2007
Exhibited for the first time at "JAPAN CREATION", one of Japan's largest comprehensive materials exhibitions
March 2009
Introduction of flow-through boilers (natural gas, 17.5 tons)
July
2011
April 2013
X SANYO collaboration brand launched
August 2014
Developed the unique technology "Indigo Dan-ochi Bassen"
January 2018
The name of the building of Sanyo Nissay Kawaramachi was changed to the name of Sanyo Senko Kawaramachi Building
May 2018
October 2020
Local Select Shop OPEN created with the cooperation of local manufacturing companies
March 2022
November 2024
Launch of original apparel brand "kiivu"
January 2025
