Hiromi Totani

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About

Hiromi Totani is a pioneer in the field of micro-optical electromechanical systems (MOEMS), with a focused career dedicated to miniaturizing optical sensing technologies for robotic and industrial inspection. Totani’s most significant contributions lie in the development of compact, high-performance optical scanning sensors. Their landmark 2002 paper, "Miniature optical scanning range sensor utilizing a silicon micromachined scanner," introduced a novel method for distance detection using a Si micromachined optical scanner, achieving a compact design that integrates a light source, photodetector, and pinhole. This work, cited 6 times, laid the groundwork for advanced range-finding in constrained environments. Earlier, in 1995, Totani developed a groundbreaking miniature 3D optical scanning sensor for pipe-inspection robots, as detailed in their paper on the subject (3 citations). This sensor, measuring just 23–18 mm in diameter, integrated a 2D optical scanner with a photodetector, piezoresistor, and laser diode, enabling three-dimensional recognition within narrow pipes. Totani’s work is instrumental in advancing non-destructive testing and robotic navigation, demonstrating how micro-fabrication can solve real-world spatial challenges. Their research continues to inspire innovations in compact, autonomous sensing systems.