With its longstanding partner Kantum Electronics Co. Ltd., !%Jenoptik%! is expanding its presence in Japan. Jenoptik Laserdiode Japan Co., a joint venture that previously specialized in the sale of diode lasers, is being renamed Jenoptik Japan Co. Ltd., to take effect immediately, and it will include more Jenoptik products. In 2005, the two partners formed a joint venture for the sale of diode lasers in Japan. In that collaboration, Jenoptik held slightly more than one-third of the shares. In the new enterprise, Jenoptik will become the majority shareholder, with nearly two-thirds of the shares, while Kantum Electronics will hold the balance. Jenoptik Japan Co. Ltd., based in Yokohama, currently employs six people.