Data-dependent logic swing internal bus architecture for ultralow-power LSI's. - Mitsuru Hiraki; Hirotsugu Kojima; Hitoshi Misawa; Takashi Akazawa; Yuji Hatano (IEEE J. Solid State Circuits, 1995)

Designing and packaging technology of Renesas SIP. - Noriaki Sakamoto; Norihiko Sugita; Takafumi Kikuchi; Hideki Tanaka; Takashi Akazawa (ISCAS (6), 2005)