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“Connecting society, supporting technology”

 

We always put Quality first and provide products that are committed to total customer satisfaction.

Historical technology from Yamanashi Japan to the world

Yamanashi has a long history as a region specializing in processing jewelry and crystals. The historical technology is the foundation of KOIKE’s technology.

A world leader of SAW wafer manufacturer

KOIKE’s products are always close to you, and supporting wireless communications all over the world.

Quality always first

We always put Quality first and provide products that are committed to total customer satisfaction.

 

 

 

News Release

Nov 24,2023

Koike starts providing samples of single crystal of garnet-type solid electrolyte, published in Nihon Keizai Shimbun.