Haman Technology, Inc. Chuo Densoku K.K.) was established as Chuo Densoku K.K. in Tokyo in 1966, with electrical design and supervision as its main business. In 1996, the company changed its name to Haman Technology, Inc. Today Haman is engaged in interdisciplinary R&D, and holds various patents in main circuit control devices for independent power source systems, pressure holders, water separators, and for the ubiquitous 'happy tug.' In 1996, the company changed its name to Haman Technology, Inc. Principal clients include NEC Corporation among others.