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Electromagnetic Energy Applications Lab
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The lab studies medical and biological sensing using electromagnetism, as well as motors.

AboutAbout the lab
Developing advanced sensing systems using electromagnetism.
The Electromagnetic Energy Applications Lab focuses on developing advanced sensing systems that use electromagnetism.
In medicine and biotechnology, the lab develops immunoassay devices for disease diagnosis using magnetic markers, and an imaging method using magnetic tracers injected into the body.
The faculty's research topics also include motors, magnetic gears, superconducting wires and equipment that uses them, and superconducting rotating machines for aircraft.
On the lab's website, the names "Yoshida Lab" and "Sasayama Lab" are also used.
Key terms
- Immunoassay
- A test that uses the property of antibodies binding to specific substances to analyze the substances contained in a sample.
- Magnetic tracer
- A substance injected into the body as a marker that emits a magnetic signal. The signal is traced to examine conditions inside the body.
- AC loss
- Energy loss that occurs when a changing current or magnetic field is applied to a superconducting wire.
ResearchResearch themes
The lab's core is the development of advanced sensing systems using electromagnetism. It also works on equipment that applies electromagnetism, such as motors and devices that use superconductivity.
*Illustrative imageMedical and Biological Sensing Using Electromagnetism
The lab develops immunoassay devices that diagnose diseases using magnetic markers, and a magnetic nano-bioimaging method that uses magnetic tracers injected into the body.
*Illustrative imageHigh-Power-Density Motors and Magnetic Gears
The lab studies motors and magnetic gears aiming for high magnetic flux density and high power density. Research keywords listed include synchronous motors, induction motors, and superconducting motors.
*Illustrative imageElectromagnetic Properties and AC Loss of Superconducting Wires
The lab investigates the electromagnetic properties of high-temperature superconducting wires such as REBCO, aiming to reduce AC loss. It also works on developing superconducting equipment that uses these wires.
*Illustrative imageSuperconducting Rotating Machines for Aircraft
The lab works on developing superconducting rotating machines for aircraft with high power density and high efficiency. Research keywords listed include motors, generators, and electric propulsion systems.
MembersFaculty
The members of the Electromagnetic Energy Applications Lab are faculty, doctoral, master's, and undergraduate students, technical staff, and secretaries.As of 2025
- ProfessorTakashi Yoshida
- Associate ProfessorTeruyoshi Sasayama
- Assistant ProfessorHiromasa Sasa
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Medion MD8910 - Capstan motor-8589” Raimond Spekking / CC BY-SA 4.0 (cropped)
- Medical and Biological Sensing Using Electromagnetism: “Remote Sensing Wavelength Info” Wcpatrick6572 / CC BY-SA 4.0 (cropped)
- High-Power-Density Motors and Magnetic Gears: “Motor generator set for walking dragline. - geograph.org.uk - 1590769” Chris Allen / CC BY-SA 2.0 (cropped)
- Electromagnetic Properties and AC Loss of Superconducting Wires: “High-Temperature Superconducting Cables ( )” National Institute of Standards and Technology / Public domain (cropped)
- Superconducting Rotating Machines for Aircraft: “Power generator of a hospital data center” Mikael Häggström / CC0 (cropped)
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- Related lab (感性ナノバイオセンサ研究室): “Bumbu dan Rempah - rempah” Galeri ega / CC BY-SA 4.0 (cropped)
- Related lab (人間情報科学研究室): “Bare chest of a old man for ECG with probes (36506)” Suyash.dwivedi / CC BY-SA 4.0 (cropped)
- Related lab (感覚情報処理研究室): “Auditory System” This work by Cenveo is licensed under a Creative Commons Attribution 3.0 United States (https://creativecommons.org/licenses/by/3.0/us/). / CC BY 3.0 (cropped)
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