1. Amasaka, K. (2002) New JIT, a new management technology principle at Toyota, International Journal of Production Economics, 80, 135–144.
2. Amasaka, K. (2003) Development of Science TQM, a new principle of quality management: Effectiveness of strategic stratified task team at Toyota, International Journal of Production Research, 42(17), 3691–3706.
3. Amasaka, K. and Sakai, H. (2004) TPS-QAS, new production quality management model: Key to New JIT: Toyota’s global production strategy, International Journal of Manufacturing Technology and Management. (decided to be published, 2006)
4. Sakai, H. and Amasaka, K. (2005) Development of robot control method for curved seal extrusion for high productivity by advanced Toyota production system, International Journal of Computer Integrated Manufacturing. (decided to be published, 2006)
5. Amasaka, K. (2005) Applying New JIT — Toyota’s global production strategy: Epoch-making innovation in the work environment, Robotics and Computer-Integrated Manufacturing. (decided to be published, 2005)