1. (1) T. Fujikawa : “MEMS for Automotive Electronics Systems”, The 10th International Micromachine Nanotech Symposium, pp. 11-18 (2004)
2. (2) 「豊田中央研究所三十年の歩み」(1990)
3. (3) 「研究と創造 株式会社豊田中央研究所40年史」(2001)
4. (4) S. Sugiyama et. al.: “Miniature Piezoresistive Strain and Pressure Sensors with On-Chip Circuitry”, Proc. of the 3rd Sensor Symposium, pp. 209-213 (1983)
5. (5) Y. Nonomura et. al.: “New Piezoresistive Force Detector for Automotive Use”, IMechE C481/014/94 (1994)