Yoshinari Yamagcuhi

Mitsumi Electric Co., Ltd. engages in the manufacture and sale of electrical machinery and telecommunications equipment. Its products include electronic parts, measurement equipment, optical equipment, medical and hygienic equipment, optical products, metals and ceramics. The company was founded on April 16, 1949 and is headquartered in Tama, Japan.

FiBest Ltd. develops and markets optical transmission and receiving devices. Its devices are used as components within the optical transceivers and transponders for intermediate and long-reach applications. The firm's product offerings include TOSA and ROSA. The company was founded by Toshiro Takada, Seishi Notomi, and Haruhisa Soda on November 6, 2002 and is headquartered in Tokyo, Japan.