| April 1920: |
Installed an MM-type fire alarm for public use at Nihonbashi (Tokyo) for the first time in Japan. |

Machida Plant

Head Office

UHF converter

Hochiki America Corporation

Electromagnetic field-measuring vehicle working among high-rise buildings in Shinjuku

Miyagi Plant

Hochiki Europe (U.K.) Limited

Multipurpose Fire Test Laboratory

Certificate of Quality System
|
| October 1951: |
Succeeded in developing an automatic fire detector. |
| May 1962: |
Constructed the Machida Plant in Machida City, Tokyo. |
| July 1963: |
Listed on the Second Section of the Tokyo Stock Exchange. |
| January 1968: |
Commenced the sales of UHF broadcasting converters. |
| June 1968: |
Succeeded in developing an ionization type smoke detector. |
| November 1968: |
Constructed a Head office building at Kamiosaki, Shinagawa-ku, Tokyo and moved Head Office there. |
| March 1969: |
Constructed the Kakuda Plant (currently called Miyagi Plant) at Kakuda City, Miyagi Prefecture. |
| November 1971: |
Established a Representative Office in Los Angeles, USA. |
| May 1972: |
Shifted to the First Section of the Tokyo Stock Exchange. |
| July 1972: |
Revised the corporate name to HOCHIKI CORPORATION. |
| July 1972: |
Established our fully owned subsidiary, HOCHIKI AMERICA CORPORATION in USA. |
| December 1974: |
Constructed Ibaraki Plant at Yuki-gun, Ibaraki Prefecture for exclusively manufacturing electronic devices. |
| July 1986: |
Commenced the sales of R-type fire prevention system with Model HRE. |
| September 1986: |
Established a Representative Office in London, UK. |
| January 1991: |
Constructed the new Miyagi Plant at Kakuda City, Miyagi Prefecture. |
| December 1991: |
Established our fully owned subsidiary, HOCHIKI EUROPE (U.K.) LIMITED in the UK. |
| July 1992: |
Miyagi Plant acquired the approval under the international standard of quality management system, ISO-9001. |
| May 1993: |
Constructed a new Osaka Branch office building at Higashi Osaka City. |
| December 1995: |
Constructed the Multipurpose Fire Test Laboratory of the world’s largest scale at Kakuda City, Miyagi Prefecture (attached to the Miyagi Plant). |
| June 1996: |
Commenced the sales of R-type fire prevention system with Model HRI. |
| June 1997: |
Established the Singapore Branch Office as bridgehead of sales activities in Southeast Asia by reinforcing the Representative Office (established in June 1995). |
| April 1998: |
Commemorated the 80th anniversary. |
| June 1998: |
Acquired the Certificate of Quality Management System for our fire prevention system by Public Safety Bureau, Chinese Government. |
| March 1999: |
Commenced the sales of a residential building fire alarm system, “SV System”, not requiring emergency power source. |
| August 1999: |
Machida Plant acquired the approval under the ISO-9001. |
| July 2001: |
Established a Representative Office at Beijing, China. |
| October 2001: |
Our Special Disaster Preventive Dept. acquired the approval under the ISO-9001. |
| December 2001: |
Machida Plant acquired the approval under the ISO-14001. |
| February 2006: |
Established our fully owned subsidiary,HOCHIKI FIRE PREVENTION TECHNOLOGY CORPORATION in China. |