T-Engine Forum was a non-profit organization which developed an open standard for real time embedded system development and to develop ubiquitous computing environment.[1][2] It maintained the open specification for ITRON Specification OS, and developed T-Kernel and ubiquitous ID architecture. The chair of T-Engine Forum was Dr. Ken Sakamura. T-Engine Forum was formed in 2002 and existed until its name was changed into TRON Forum in 2015.[3]