| August 1937 |
HIROSE SHOKAI (CO.) founded at Enokizaka-cho, Akasaka-ku, Tokyo. |
| December 1941 |
Name changed to HIROSE SHOKAI MANUFACTURING, moved to Zaimoku-cho, Azabu-ku, Tokyo. |
| April 1945 |
Plant newly built at Yugawara-machi, Kanagawa prefecture, Japan |
| June 1948 |
Restructured into HIROSE MANUFACTURING CO., LTD.
Head office moved to Araijuku, Ohta-ku, Tokyo. |
| February 1953 |
Head office moved to Osaki, shinagawa-ku, Tokyo (Present headquarters). |
| July 1954 |
A new plant built at shimomaruko, Ohta-ku, Tokyo. |
| August 1963 |
Name changed to HIROSE ELECTRIC CO., LTD. |
| December 1966 |
New plant built at Osaki, Shinagawa-ku, Tokyo. |
| May 1967 |
Signed sole distributorship agreement with Seyffer A.G. in Switzerland to cover markets both in Switzerland and Germany. |
| June 1967 |
New plant built at Kikuna-cho, Kohoku-ku, Yokohama, Kanagawa prefecture (present Engineering center). |
| August 1968 |
Signed sole distributorship agreement on microswitches with The Cherry Corp. |
| July 1972 |
Tachikawa sales office opened in Tachikawa, Tokyo. |
| December 1972 |
Listed on the second section of the Tokyo Stock Exchange. |
| February 1973 |
New plant built in Narashino-dai, Funabashi, Chiba Prefecture. |
| March 1973 |
Joint venture with The Cherry Corp. called "HIROSE CHERRY PRECISION CO., LTD. came into being. Microswitch section separated and became independent operations. |
| March 1974 |
TOHOKU HIROSE ELECTRIC CO., LTD. founded at Miyako, Iwate prefecture. |
| August 1975 |
Miyako plant of TOHOKU HIROSE ELECTRIC CO., LTD. completed. |
| April 1977 |
Osaka sales office opened in Osaka. (Present Osaka branch) |
| August 1977 |
40th anniversary since foundation celebrated. |
| May 1979 |
First Hirose Fair held. |
| September 1979 |
HIROSE ELECTRIC U. S. A, INC., subsidiary, founded. |
| August 1981 |
Construction works completed for Koriyama plant. |
| May 1982 |
Second Hirose Fair held. |
| June 1982 |
Koriyama plant separated and became independent. KORIYAMA HIROSE ELECTRIC CO., LTD. founded. |
| April 1984 |
Third Hirose Fair held. |
| November 1984 |
Promoted to the first section of the Tokyo Stock Exchange. |
| September 1985 |
Nagoya sales office opened at Nagoya. |
| October 1985 |
HIROSE KOREA CO., LTD. joint venture with Daedu-ck Industrial Co., Ltd. founded in South Korea. |
| February 1987 |
Materials procurement office opened in Taiwan. |
| May 1987 |
Fourth Hirose Fair held. |
| August 1987 |
50th anniversary since foundation celebrated. |
| February 1988 |
HIROSE ELECTRIC GmbH, subsidiary, founded. |
| April 1988 |
HIROSE ELECTRIC UK LTD., subsidiary, founded.
HIROSE ELECTRIC (U.S.A.), INC. opened sales offices in Chicago, MA and Dallas, TX |
| November 1988 |
New building built for research on Kikuna plant premises. This later turned into Yokohama office/engineering center. |
| January 1989 |
Head office building completed. |
| August 1989 |
HIROSE ELECTRIC MALAYSIA SDN. BHD., subsidiary, founded. |
| September 1990 |
Fifth Hirose Fair held. |
| October 1990 |
Construction works completed for Ichinoseki plant. |
| March 1991 |
Materials procurement office in Taiwan restructured into HIROSE ELECTRIC TAIWAN CO., LTD., subsidiary. |
| April 1991 |
In connection with the completion of Ichinoseki plant, Shimomaruko plant and Yugawara plant closed. |
| November 1991 |
AOMORI DENSO CO., LTD. founded in Towada. |
| June 1992 |
Plant of HIROSE ELECTRIC (U.S.A.), INC. completed. |
| July 1993 |
Obtained ISO9001 recognition (International Organization for Standardization). |
| September 1994 |
Sixth Hirose Fair held. |
| October 1994 |
Ichinoseki plant became independent. ICHINOSEKI HIROSE ELECTRIC CO., LTD. founded. Hong Kong branch office opened. |
| April 1995 |
Narashino plant merged into KORIYAMA HIROSE ELECTRIC CO., LTD. |
| September 1995 |
Singapore branch office opened. |
| December 1995 |
PT. HIROSE ELECTRIC INDONESIA, subsidiary, founded. |
| August 1997 |
60th anniversary since foundation celebrated. |
| October 1998 |
Seventh Hirose Fair held. |
| July 1999 |
Europe branch office in the Netherlands opened. |
| November 1999 |
HIROSE ELECTRIC HONG KONG CO., LTD. founded. |
| December 1999 |
ICHINOSEKI HIROSE ELECTRIC CO., LTD. obtained ISO14001 |
| March 2000 |
TOHOKU HIROSE ELECTRIC CO., LTD. obtained ISO14001 |
| October 2000 |
HIROSE ELECTRIC (DONGGUAN) CO., LTD. founded. |
| December 2000 |
KORIYAMA HIROSE ELECTRIC CO., LTD. obtained ISO 14001 |
| August 2001 |
Representative office opened in Shanghai, China. |
| October 2001 |
The 8th Hirose Fair held. |
| April 2002 |
AOMORI DENSO CO., LTD. merged with KORIYAMA HIROSE ELECTRIC CO., LTD. |
| April 2003 |
HIROSE ELECTRIC (SHANGHAI) CO., LTD. founded. |
| October 2003 |
HIROSE ELECTRIC EUROPE B.V. founded. |
| December 2003 |
Representative office opened in Shenzhen, China. |
| August 2004 |
HST CO.,LTD. (formerly HIROSE CHERRY PRECISION CO.,LTD.) became a wholly―owned subsidiary of HIROSE ELECTRIC CO.,LTD. |
| September 2004 |
9th Hirose Fair held. |
| April 2005 |
Opening of the Beijing Office in Beijing, China. |
| March 2006 |
Consolidated net sales for FY 2005 exceeded 100 billion yen. |
| August 2007 |
70th anniversary since foundation celebrated. |
