Below you can find logos, similar to the Hitachi Open Middleware.

Open Air Cinema Open Air Cinema vector
OpenNetwork Technologies OpenNetwork Technologies vector
openshop openshop vector
Hitachi Seiki Hitachi Seiki vector
NizhTopEnergoSnab NizhTopEnergoSnab vector
Caldera OpenLearning Provider Caldera OpenLearning Provider vector
US Open US Open vector
HITACHI VISIONBOOK TRAV HITACHI VISIONBOOK TRAV vector
Open Ratings Open Ratings vector
OpenAir com OpenAir com vector
Hitachi 125 Hitachi 125 vector
Russia Open To The World Russia Open To The World vector
hitachi1 hitachi1 vector
Hitachi Hitachi  vector
OPENTV3 OPENTV3 vector