Adamant Co., Ltd.
Native name | アダマンド株式会社 |
|---|---|
| Company type | Kabushiki kaisha |
| Founded | April 26, 1957 |
| Headquarters | , Japan |
Key people | Chairman and CEO: Shoji Namiki President: Yoichi Shimoda |
| Products | Photonics, fine industrial jewels, advanced materials |
Adamant Co., Ltd. (アダマンド株式会社, Adamant Kabushiki-gaisha) is a component manufacturing company based in Tokyo, Japan. Its name is from the word adamant, which was derived from the Greek word adamas meaning "diamond". At its founding, Adamant's main products were watch jewels that were made of a hard material.
In 1957, Adamant separated from Namiki Precision Jewel Co., Ltd. It started sales of jewel bearings for watches and clocks and began to manufacture cap jewel, hole jewel, impulse jewel and pallet stone. In 1980, it started manufacturing ferrules for the optical communication industry utilizing injection molding engineering and polishing techniques.
Adamant merged with its parent company, Namiki Precision Jewel Co., Ltd., to establish Adamant Namiki Precision Jewel Co., Ltd. on January 1, 2018.