Niterra Co. Ltd. (NGK SPARK PLUG CO. LTD.)
History
| Year | Detail |
|---|---|
| 1936 | NGK SPARK PLUG CO., LTD. was established with a capital of $6929.0 and changed its name to Niterra Co. Ltd. |
| 1937 | The company started the manufacturing of NGK spark plugs. |
| 1973 | The company started the manufacturing of temperature sensors for automobiles. |
| 1984 | NGK SPARK PLUG MFG. (U.S.), INC. changed its corporate name to NGK SPARK PLUGS (U.S.A.), INC., by merging with NGK SPARK PLUGS (U.S.A.), INC. and NTK CERAMICS (U.S.A.), INC. |
