麻豆精品

Education

• Ph.D., Mechanical Engineering, Stanford University (June 2005)
• M.A., Economics (June 2005), M.S., Statistics (January 2004), M.S., Manufacturing Systems Engineering (June 1998), Stanford University
• B.E., Engineering Science, Kyoto University (March 1988)

Research Interests

• Product design and product life-cycle engineering
  • Customer needs analysis (subjective clustering, uncertainty modeling)
  • Design team formation (game theory)
  • Design concept selection (decision analysis, real option, target costing, quality function deployment)
  • Concurrent design of product, process, and production (inventory control, assembly sequencing, assembly line balancing)
  • Product family design (component commonality, inventory control)
  • Collaborative design (equilibrium analysis)
  • Cost estimation (case-based reasoning)
• Engineering Education
  • Student design team formation and performance (input-process-output modeling)
  • Team member collaboration

Patent

Japanese Patent: A-H09-239451 "Bending Device of Metal Tube and U Tube Cold Bending Method"

Selected Projects

• Collaborative Research: Enhancing Design Teamwork Experiences and Learning in Engineering Education (NSF).
• Engineering Uncertainty Repository (NSF).
• A Comprehensive Methodology and Framework for Forming Collaborative, High-Performing Student Design Teams (麻豆精品 Research and Artistry).
• A Cognitive Neuroscience Study of Design Decision Making (麻豆精品 Research and Artistry).
• CBeLSS: Case-Based e-Learning for Six Sigma (Illinois Manufacturing Excellence Center).

Professional Associations

Selected Publications

• Takai, S., DeBartolo, E. A., Barker, G., and Guthula, M., 2026, "An Approach to Study Associations Between Team Characteristics and Team Outcomes and the Mediating and Moderation Effects of Intermediate Team Outcomes in Two-Semester Senior Design Courses," Accepted, International Journal of Engineering Education, 42(4), pp. 918-934.
• Godbole, H., DeBartolo, E. A., and Takai, S., 2025, "Impact of Team-Building Activities and Personality on Student Learning Outcomes in Capstone Design Course," International Journal of Engineering Education, 41(3), pp. 658-666.
• Takai, S., Barker, G., and Jacky, G., 2023, "An Analysis of Early Warning and Accepting Late Assignments as Means to Reduce Equity Gap," ASEE Journal of Engineering Technology, 40(1), pp. 14-24.
• Claxton, J. B., Wakabayashi, T., Homant, K., Hardin, B., and Takai, S., 2022, "The Magic of the Morning Message: Literacy Strategies Used in Preschool Classrooms," Michigan Reading Journal, 54(3), Article 7.
• Takai, S., 2021, "An Approach to Integrate Product and Process Design using Augmented Liaison Diagram, Assembly Sequencing, and Assembly Line Balancing," ASME Journal of Mechanical Design, 143(10), 102002 (17 pages).
• Takai, S., and Bittorf, J., 2020, "A Study of Team Characteristics that Correlate with Team Performance in a Capstone Design Course," International Journal of Engineering Education, 36(5), pp. 1681-1690.
• Takai, S., and Esterman, M., 2019, "A Review of Team Effectiveness Models and Possible Instruments for Measuring Design-Team Inputs, Processes, and Outputs," International Journal of Engineering Education, 35(6A), pp. 1684-1697.
• Takai, S., 2019, "An Approach to Integrate Commonality and Product Family Design With Inventory Decisions," ASME Journal of Mechanical Design, 141(3), 031704 (18 pages).
• Takai, S., and Sengupta, S., 2017, "An Approach to Evaluate the Profitability of Component Commonality," ASME Journal of Mechanical Design, 139(7), 074501 (6 pages).
• Takai, S., 2016, "A Multidisciplinary Framework to Model Complex Team-based Product Development," ASME Journal of Mechanical Design, 138(6), 061402 (12 pages).
• Takai, S., 2015, "Impacts of Fairness, Engineers' Evaluations, and Penalty of Product Failure in Multi-Equilibria Non-Cooperative Design," Concurrent Engineering: Research and Applications, 23(2), pp. 124-134.
• Takai, S., Esterman, M., and Midha, A., 2015, "An Approach to Study Associations between Design Concepts and Design Outcomes," ASME Journal of Mechanical Design, 137(4), 041101 (12 pages).
• Takai, S., and Banga, K., 2014, "Effects of Product Attributes in a Case-based Reasoning Method for Cost Estimation and Cost Uncertainty Modeling," ASME Journal of Mechanical Design, 136(5), 051005 (12 pages).
• Takai, S., and Kalapurackal, R. M., 2012, "Sensitivity Analysis of Relative Worth in Quality Function Deployment Matrices," Concurrent Engineering: Research and Applications, 20(3), pp. 195-202.
• Takai, S., Yang, T. G., and Cafeo, J. A., 2011, "A Bayesian Method for Predicting Future Customer Need Distributions," Concurrent Engineering: Research and Applications, 19(3), pp. 255-264.
• Takai, S., Jikar, V. K., and Ragsdell, K. M., 2011, "An Approach Toward Integrating Top-Down and Bottom-Up Product Concept and Design Selection," ASME Journal of Mechanical Design, 133(7), 071007 (10 pages).
• Takai, S., 2011, "A Pre-Post Assessment of Creativity Methods in an Experimental Course," International Journal of Engineering Education, 27(2), pp. 380-388.
• Takai, S., 2010, "A Use of a Mathematical Model in Updating Concept Selection," ASME Journal of Mechanical Design, 132(10), 101009 (10 pages).
• Takai, S., 2010, "A Game-Theoretic Model of Collaboration in Engineering Design," ASME Journal of Mechanical Design, 132(5), 051005 (10 pages).
• Takai, S., 2010, "A Lifecycle-Cost Model for Set-Based Concept Testing," Concurrent Engineering: Research and Applications, 18(2), pp. 121-127.
• Takai, S., and Ishii, K., 2010, "A Use of Subjective Clustering to Support Affinity Diagram Results in Customer Needs Analysis," Concurrent Engineering: Research and Applications, 18(2), pp. 101-109.
• Takai, S., and Ishii, K., 2010, "The Maximum Resource Allocation for Uncertainty Reduction in a Decision-Analytic Concept Selection," Concurrent Engineering: Research and Applications, 18(1), pp. 19-29.
• Takai, S., 2009, "A Case-Based Reasoning Approach Toward Developing a Belief about the Cost of Concept," Research in Engineering Design, 20(4), pp. 255-264.
• Takai, S., and Ishii, K., 2008, "A Decision-Analytic System Concept Selection for a Public Project," ASME Journal of Mechanical Design, 130(11), 111101 (10 pages).
• Takai, S., and Ishii, K., 2006, "Integrating Target Costing into Perception-Based Concept Evaluation of Complex and Large-Scale Systems Using Simultaneously Decomposed QFD," ASME Journal of Mechanical Design, 128(6), pp. 1186-1195.

Work Experience

• Professor, Department of Engineering Technology, 麻豆精品 (2026-present)
• Interim chair, Department of Engineering Technology, 麻豆精品 (2021-2024, 2026-present)
• Associate professor, Department of Engineering Technology, 麻豆精品 (2018-2026)
• Assistant professor, Department of Engineering Technology, 麻豆精品 (2012-2018)
• Assistant professor, Department of Mechanical and Aerospace Engineering, Missouri University of Science & Technology (2009-2012)
• Assistant professor, Department of Interdisciplinary Engineering, Missouri University of Science & Technology (2005-2009)
• Research assistant, Stanford Linear Accelerator Center (1998-2003)
• Teaching assistant, Department of Mechanical Engineering, Stanford University (1998)
• Senior engineer and assistant manager, Sumitomo Metal Industries Ltd., Japan (1988-1999)