| 1939 |
September |
NHK Spring Co., Ltd is established. 1.5 million yen in capital. |
| 1940 |
November |
Yokohama Plant starts operation. (Isogo Ward in Yokohama City) |
| 1943 |
December |
Ina Plant starts operation. |
| 1958 |
May |
Merger with Daido Spring Co., Ltd. which becomes Kawasaki Plant (Suspension Springs). |
| 1961 |
May |
Kawasaki Plant (Precision) is newly established. |
| June |
Nagoya Plant (Toyota Plant at present) is newly established. |
| 1962 |
March |
Technical assistance agreement related to seat springs is concluded with the American company Rockwell. |
| December |
Kawasaki Plant (Seating) is newly established. |
| 1963 |
December |
NHK Spring (Thailand) Co., Ltd., a joint venture company, is established in Thailand. |
| 1965 |
December |
Rockwell acquires an equity stake. |
| 1969 |
July |
Ota Plant is newly established. (Branch factory of Gunma Plant at present) |
| September |
Uni Auto Parts Manufacture Co., Ltd., a joint venture company, is established in Taiwan. |
| 1970 |
May |
Atsugi Plant (Industrial Machinery & Equipment) is newly established. |
| November |
Atsugi Plant (Precision) is newly established. (Relocated from Kawasaki) |
| 1972 |
September |
The capital tie-up with Rockwell is dissolved. |
| 1973 |
November |
Shiga Plant is newly established. |
| 1975 |
February |
NHK Cimebra Indústria de Molas Ltda., a joint venture company, is established in Brazil. |
| 1976 |
October |
NHK International Corporation is established in the United States. |
| 1980 |
September |
Eguzkia NHK S.A., a joint venture company, is established in Spain. |
| 1981 |
December |
Komagane Plant (Industrial Machinery & Equipment) is newly established. |
| 1983 |
November |
Komagane Plant (Precision) is newly established. |
| 1986 |
September |
NHK-Associated Spring Suspension Components Inc., a joint venture company, is established in the United States. |
| December |
Gunma Plant is newly established. |
| 1987 |
May |
General Seating of America, a joint venture company is established in the United States. |
| September |
New Mather Metals Inc. is established in the United States. |
| November |
Yokohama Plant (Suspension Spring) is newly established as the first stage of construction of the Yokohama office. |
| 1989 |
November |
Ibérica de Suspensiones, S. L., a joint venture company, is established in Spain. |
| 1990 |
April |
Yokohama Plant (Seating) is newly established in Yokohama Office. (Relocated from Kawasaki) |
| 1991 |
February |
The main building is newly established at Yokohama Office, and the head office is relocated from Isogo. |
| 1993 |
March |
Isehara Plant is newly established. (Relocated from Atsugi) |
| 1994 |
July |
NHK Manufacturing (Malaysia) SDN. BHD. is established in Malaysia. |
| October |
NHK Precision (Thailand) Co., Ltd., a joint venture company, is established in Thailand. |
| December |
NHK Spring (Hong Kong) Co., Ltd. is established in Hong Kong. |
| 1995 |
November |
Chongqing Qingling NHK Seat Co., Ltd., a joint venture company, is established in China. |
| 1996 |
July |
Fabrini, a joint venture company, is established in Brazil. |
| October |
General Seating (Thailand) Co., Ltd., a joint venture company, is established in Thailand. |
| October |
Yasu Plant is newly established. (Relocated from Komaki) |
| 1998 |
June |
Autrans (Thailand) Co., Ltd., a joint venture company, is established in Thailand. |
| September |
NHK Spring India Ltd., a joint venture company, is established in India. |
| September |
Fabrini and NHK Cimebra Indústria de Molas Ltda. are merged in Brazil, and Rassini-NHK Autopeças Ltda. is established. |
| 2000 |
April |
Komagane plant(Precision Spring)become komagane plant (Disk Drive Suspension). |
| 2001 |
October |
Faurecia-NHK Co., Ltd. and Faurecia-NHK Kyushu Co., Ltd. are established as joint venture companies with Faurecia, France. |
| 2002 |
May |
NHK-Uni Spring (Guangzhou) Co., Ltd., a joint venture company, is established in China. |
| 2003 |
September |
Ibérica de Suspensiones, S.L. in Spain is merged with Eguzkia NHK S.A. |
| October |
NHK Spring Precision (Guangzhou) Co., Ltd. is established in China. |
| November |
NHK Spring (Shenzhen) Co., Ltd. is established in China. |
| 2004 |
January |
NAT Peripheral (H.K.) Co., Ltd., a joint venture company, is established in China. |
| 2005 |
April |
NHK Spring Precision of America Inc. is established in United states. |
| May |
NHK-Associated Spring Suspension Components Inc. becomes a subsidiary, and its name is changed to NHK of America Suspension Components Inc. |
| October |
NHK Spring (Taiwan) Co., Ltd., a joint venture company, is established in Taiwan. |
| 2006 |
September |
General Seating of America Inc. in United States becomes a subsidiary and its name is changed to NHK Seating of America Inc. |
| November |
Topura America Fastener, Inc. in United states a becomes consolidated subsidiary. |
| 2007 |
July |
Stocks of Thai Automotive Seating & Interior Co., Ltd. are sold to Toyota Boshoku. |
| 2009 |
November |
Tokyo Sales Branch and Yokohama Sales Branch are integrated and relocated to newly established Yokohama Minatomirai Sales Branch. |
| 2010 |
April |
Toledo Plant of New Mather Metals, Inc. is integrated to Franklin Plant. |
| November |
NHK Seating (Hubei) Co.,Ltd. is established in China. |
| 2011 |
July |
NHK Automotive Components India Privete Limited is established in India. |
| November |
Regional headquarters NHK Spring (China) Co., Ltd. is established in China. |
| 2012 |
April |
NHK Sales Co., Ltd. and Topura Co., Ltd. becomes a subsidiary. |
| May |
NHK Seating (Zhengzhou)Co., Ltd. is established in China. |
| July |
SUN NHK Philippines., Inc.(SNP) is acquired. NHK Spring Philippines, Inc.(NSP) is established. |
| July |
NHK F Krishna India Automotive Seating Private Limited is established in India. |
| October |
P.T. NHK F. KBU indonesia Automotive Seating is established in Indonesia. |
| December |
PT. NHK Spring Indonesia is established in Indonesia. |
| 2013 |
May |
NHK Spring Mexico S.A.DE C.V. is established in Mexico. |
| 2014 |
March |
NHK Spring Europe B.V. is established in Netherlands. |
| September |
NHK Spring Kyushu Co.,Ltd.is established. |
| September |
NHK Seating (Chongqing)Co.,Ltd.is established in China. |
| 2015 |
April |
NHK Spring Hungary KFT. Is established in Hungary. |
| April |
NAT Peripheral(H.K.) Co., Ltd. in China becomes a subsidiary. |
| 2016 |
February |
PT. NHK KBU Seating is established in Indonesia. |
| 2017 |
July |
NHK Seating Mizushima Co., Ltd. is established. |
| 2019 |
March |
Miyada Plant is newly established. |
| 2019 |
September |
80th anniversary. |