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Kenji Natori is a leading researcher in the field of bilateral teleoperation and haptic control systems, with a primary focus on overcoming the fundamental challenge of communication time delays in remote robotic manipulation. His most significant contribution is the development of a novel three-channel control architecture for bilateral teleoperation, detailed in his highly cited 2007 paper (65 citations), which enables human operators to accurately perceive reaction forces from remote environments even with network latency. Natori has pioneered innovative delay compensation techniques, including the use of communication disturbance observers (CDOB) and shadow robot concepts to decompose and mitigate time delay effects as disturbances in acceleration dimensions. His work extends to medical applications of haptics (2009), where he explores the transmission of force sensation between master and slave systems. Notably, Natori has also investigated the synchronization of visual and tactile senses in networked teleoperation, addressing the critical issue of live video streaming delays on system transparency. His research on multilateral control systems under constant communication delays has further advanced operationality in multi-user haptic environments. With a cumulative citation count exceeding 100, Natori’s work remains foundational for engineers developing robust, delay-tolerant teleoperation systems for applications ranging from remote surgery to hazardous environment manipulation.