About 2 Trademarks found that are owned by Hitachi Telecom Usa Inc.

Telephone application system, namely software and computer hardware that calculates, stores, transmits and generates reports regarding the cost of individual telephone calls in a telephone network for use in hotels and other hospitality businesses

Fiber-optic telecommunications network equipment and devices, namely, a terminal for interfacing with a dense wavelength division multiplexor (DWDM) system, and operating software therefor