| Sep. 1917 |
Established by Teizo Shigematsu, who originally managed a private company. |
| While selling scientific instruments, he started manufacturing particulate and gas respirators and protective spectacles for mines and other industrial fields. |
| In 1934 |
Moved headquarters building to Hatago-cho, Kanda-ku (present Soto-kanda, Chiyoda-ku). |
| Mar. 1942 |
Reorganized as SHIGEMATSU WORKS CO., LTD. |
| In 1945 |
By a war terminal air raid, headquarters building and plants were destroyed all by fire. |
| In 1947 |
The comeback operations. |
| Apr. 1952 |
Tokyo Plant started operations (Already closed in Apr. 2008.). |
| Nov. 1958 |
President Teizo Shigematsu was awarded the Medal with Blue Ribbon. |
| Oct. 1962 |
Saitama Plant started operations. |
| Apr. 1963 |
Registered at Tokyo Stock Market. |
| Nov. 1965 |
Chairman Teizo Shigematsu was awarded the Order of the Rising Sun Fifth Class, Gold and Silver Rays. |
| Apr. 1967 |
Formed a business tie-up with Kawasaki Safety Service Industries, LTD. (The present, "Air Water Safety Service Inc.") and became the exclusive agent of Kawasaki Type Air / Oxygen Breathing Apparatus. |
| May 1976 |
President Kiyoshi Takano was awarded the Order of the Sacred Treasure, Fourth Class. |
| Feb. 1981 |
Established Technical Research Center in Saitama Plant property. |
| Dec. 1987 |
Automatic warehouse was installed in Tokyo plant. |
| May 1990 |
Acquired the Standards Mark Licence for the Saitama Plant from Standards Australia (SA). |
| Nov. 1990 |
Funehiki Plant started operations. |
| Jul. 1992 |
Acquired the Standards Mark Licence for the Funehiki Plant from Standards Australia (SA). |
| Feb. 1993 |
Acquired ISO 9002 from DQS (German Association for the Certification of Quality Systems) and certificate of EQNet (The present, IQNet) from the International Certification Network. |
| May 1993 |
Acquired ISO 9002 from JMI(The present, JQA [Japan Quality Assurance Organization]). |
| Apr. 1998 |
Acquired ISO 14001 for Saitama Plant. |
| Jun. 1998 |
Japan West Service Center (Hyogo Pref.) started operations for Distribution and Repairing. |
| May 1999 |
Acquired ISO 14001 for Saitama Plant and Funehiki Plant (expansion of site). |
| Jun. 1999 |
Acquired ISO 9001 for headquarters, Tokyo Plant, Saitama Plant and Funehiki Plant. |
| Nov. 2002 |
Chairman Kaisaburo Shigematsu was awarded the Order of the Rising Sun Fifth Class, Gold and Silver Rays. |
| Jan. 2007 |
West Japan Service Center completed construction for the warehouse. |
| Acquired Ecology mark from Japan Environment Association for washable particle filter. |
| May 2007 |
No.2 Funehiki Plant started operations. |
| Jan. 2008 |
New manufacturing department started operation in Himeji, Hyogo Prefecture. |
| Aug. 2011 |
New headquarters building opened in Kita-ku,Tokyo. |
| Sep. 2017 |
100 years since founding. |