SI Electronics
From Sega Retro
Were they also involved in the development of the Digitizer System?... well ... it's an old company... maybe yes... maybe not... who knows? ...--- Asagoth
Zax Corporation of Japan (parent company of ZAXTEK (USA)
The Micro Communicator Model 177 I... according to classictech.wordpress.com an AI Electronics Corp. product... well... we the astounding "People of Retro" know this isn't true... Zax manufactured it (some pictures of a Micro Communicator Model 177 III) and AI electronics distributed it... then Sega invented the Mega Drive and ... you all know what happened... all the three companies are from Tokyo... --- Asagoth