| 1947 | The gasket division of Oshitani Sangyo Co., Ltd. separated from the company. OKUMURA KOGYO Co., Ltd. was founded in Toyono-gun, Osaka Prefecture and operations were commenced. |
| 1952 | Established OSAKA GASKET Co., Ltd. by the worker representation on the board of NHK Spring Co., Ltd. |
| 1960 | Relocated Head Office and Main Factory to Higashi-Osaka City. |
| 1963 | Changed the name to NIPPON GASKET Co., Ltd. by a merger with the gasket division of Nippon Pillar Packing Co., Ltd. |
| 1971 | Received capital participation from Nippon Oil Seal Kogyo Co., Ltd. (present NOK Corporation) and formed a business alliance. |
| 1973 | Established NHK GASKET (THAILAND) Co., Ltd. in Thailand.(present NIPPON GASKET (THAILAND) CO., LTD.) |
| 1982 | Operations commenced at Shiga Factory. |
| 1985 | Listed on the Osaka Securities Exchange.(Delisted in July, 2005 when the company became a wholly-owned subsidiary of Taiho Kogyo Co., Ltd.) |
| 1996 | Established PT. NHK GASKET INDONESIA through a joint venture with PT. ASTRA Otoparts Tbk.(present PT. ASTRA NIPPON GASKET INDONESIA.) |
| 2001 | Acquired QS9000 certification. |
| 2002 | Acquired ISO14001 certification. |
| 2003 | Received capital participation from Taiho Kogyo Co., Ltd. and formed a business alliance. |
| 2005 | All products of the Main Factory were transferred to Shiga Factory. Became a wholly-owned subsidiary of Taiho Kogyo Co., Ltd. |
| 2006 | Transferred all production of the gasket division of Taiho Kogyo Co., Ltd. |
| 2007 | Relocated Head Office to Toyota City, Aichi Prefecture. |
| 2008 | NIPPON GASKET OF AMERICA, INC., a wholly-owned subsidiary in North America, acquired capital in TAIHO MANUFACTURING OF TENNESSEE LLC. Established YANTAI NIPPON GASKET CO., LTD. (China). |
| 2010 | Consolidated the Technical Center from Taiho Kogyo Hosoya Plant to the Main Plant (Midorigaoka). |
| 2012 | Paper making plant is newly established in Shiga Factory. Relocated Osaka branch to Yodogawa-ku (near Shin-Osaka station). |
| 2013 | NIPPON GASKET OF AMERICA, INC transforms TAIHO MANUFACTURING OF TENNESSEE LLC into a wholly owned subsidiary. |
| 2016 | Loading dock and a mold factory is newly established in Shiga Factory. |
| 2017 | New training center "Keishokan" is established adjacent to the Shiga Factory. |