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Other departments in Faculty of Engineering Science ›Faculties at Yokohama National University ›

Koichi Ichige, Professor
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Ichige Lab uses knowledge of digital signal processing and numerical analysis to conduct applied research in mobile communications, image processing, and speech and acoustic signal processing. For a computer to handle continuous analog signals, the signals must be sampled and converted into digital signals. Recently, the lab has been incorporating machine learning techniques to add new approaches to conventional techniques. On the lab's website, it is introduced under the name "Ichige Lab."

Takahide Oya, Professor
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Oya Lab aims to create nanodevices with new functions by learning from nature, living organisms, and Japanese traditions. Its research rests on two pillars: experimental work that makes things, and work that designs circuits and investigates them through simulation. On the experimental side, the lab develops CNT composite paper, using methods adapted from Japanese washi papermaking, and composite thread (fabric) with CNTs fixed onto it. On the simulation side, it designs information processing that runs on single-electron circuits, taking cues from the behavior of slime molds and ants.

Kazuhiro Otsuka, Professor
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The Otsuka Lab aims to realize artificial intelligence with "social intelligence" that can understand even subtle nuances of the mind, such as "ishin-denshin" (tacit mutual understanding) and "reading the room." The lab studies technologies that integrate data such as images, speech, language, and motion observed with cameras, microphones, and sensors, and automatically recognize and estimate people's emotions, intentions, personalities, and relationships with others. Its research covers observing human behavior in conversations and meetings, building mathematical models of behavior and inner states and recognizing them automatically, and applied systems such as remote meetings. Students learn techniques such as deep learning and Bayesian models through a "think while building" approach, hands-on developing programs and systems.

Hidemine Obara, Associate Professor
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The Obara Lab studies power conversion using power semiconductor devices, along with related and applied technologies. Power electronics is widely used, from smartphones and home appliances to power generation and transmission facilities such as mega solar plants and frequency converter stations. The lab aims to create clean power conversion technology that drives an advanced electrified society. Now that highly efficient power conversion is taken for granted, the lab is taking on the challenges of lower noise, higher reliability, smaller size, lower cost, and more advanced functionality, which are required in an era of mass deployment of power converters.

Mengnan Ke, Associate Professor
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The Ke Lab is the lab of Associate Professor Mengnan Ke, whose specialties are electrical and electronic materials engineering, electronic devices, semiconductor process engineering, and MOSFETs. The lab's website carries the phrase "Exploring the MOSFETs." The research section of the website says "Details coming soon...," and member introductions are also said to be added in the future.

Nobuhiro Kuga, Professor
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The Kuga Lab pursues research on using electromagnetic waves to detect the connection state of components and wiring, with the goal of "connecting well." A system is made by connecting components with wiring, and to make it operate stably in harsh environments, it is important to find unstable connections as early as possible. For small-scale wiring, examples are the connections inside printed circuit boards and IC packages; for large-scale wiring, they are the cables and connectors of wireless communication base station equipment. In both cases, connection defects must be found quickly. The lab is characterized by its methods using high-frequency electromagnetic waves such as microwaves, and by its goal of non-contact, non-destructive evaluation.

Tomoyuki Shimono, Professor
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The Shimono Lab studies haptics technologies, such as the real-time transmission and engineering reproduction of tactile information, as well as motion control technologies. Its work covers a wide range, from fundamental technologies such as real-time transmission, digital recording and editing, and engineering reproduction of touch, to applications in surgical support systems and rehabilitation support. The lab builds new actuators itself and also conducts control experiments. It also works on research that integrates motion control and power electronics, aiming to realize high-speed, high-precision motor control systems.

Makoto Sano, Associate Professor
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The Sano Lab studies antennas and microwave circuits for use in a variety of wireless systems. It works on improving the performance and adding functions to planar antennas. It also focuses on metasurface technology, which freely controls the reflection, transmission, and polarization of electromagnetic waves. It is a new lab that was established in April 2025.

Chika Sugimoto, Associate Professor
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The Sugimoto Lab studies human information systems and intelligent transport systems (ITS), building on sensing technology, sensor network technology, and medical information and communication technology. The lab aims to apply its research results within social systems. Its core topics include medical ICT, human information sensing, wearable sensors, biological information systems, and activity recognition. The lab covers a broad range, from sensor network technology to recognition algorithms and application systems.

Koji Sekiguchi, Professor
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The Sekiguchi Lab aims to explore the fundamental science of magnetic materials and to conduct foundational research on energy-saving technologies that use them. Spintronics is a research field whose foundations span semiconductor engineering, magnetics engineering, and optics. The lab studies transistors that use spin waves propagating through magnetic materials, brain-inspired functional devices, and more.
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