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Acoustic Wave Physics and Engineering [Yoshizawa] Lab
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The lab studies ultrasound therapy that treats affected areas without bleeding.

AboutAbout the lab
Ultrasound therapy that is gentle on the body
The Yoshizawa Lab studies how to treat cancer and other conditions by focusing ultrasound energy on the affected area.
In medicine, ultrasound is widely used to take images of internal organs and to examine blood flow.
Because ultrasound therapy can treat the affected area without bleeding, it is gentle on the body and is attracting attention as a method that meets the needs of an aging society.
The lab accepts graduate students from the Graduate School of Engineering and the Graduate School of Biomedical Engineering.
Key terms
- Ultrasound
- Sound at a high frequency that human ears cannot hear. In medicine, it is used for imaging, for observing blood flow, and for treatment
- Imaging technology
- Technology that captures parts that cannot be seen, for example as images. In treatment, it is used to capture the position of the affected area and changes in it
- Sensitizer
- A substance that readily accumulates in the affected area and makes it possible to achieve a therapeutic effect with less ultrasound energy
NewsLab news
A master's student received the 32nd Outstanding Student Presentation Award at the Acoustical Society of Japan
A doctoral student received the 27th Encouragement Award at a scientific meeting of the Japan Society of Ultrasonics in Medicine
An undergraduate student received the Outstanding Presentation Award at the Tohoku Area Young Researchers' Research Presentation Meeting
A master's student received Tohoku University's Outstanding Student Award in Electrical and Information Sciences
A master's student received the Encouragement Award at the scientific meeting of the Tohoku Regional Branch of the Japan Society of Ultrasonics in Medicine
ResearchResearch themes
The Yoshizawa Lab studies ultrasound therapy that is gentle on the body, focusing ultrasound energy on the affected area to treat cancer and other conditions without bleeding. Ultrasound has long been used in medicine to take images of organs and examine blood flow, and in recent years it has also come to be used for treatment.
View More ↗MembersFaculty
The members of the Yoshizawa Lab consist of faculty members, assistants, doctoral, master's, and undergraduate students, and affiliated members (academic researchers).As of 2026
- ProfessorShin Yoshizawa
- Assistant ProfessorShohei Mori
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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: “Diagram showing liver lesioning using a HIFU transducer” James Ross McLaughlan / CC BY-SA 4.0 (cropped)
- Imaging and Sensitizers to Support Treatment: “A modern medical ultrasound scanner” Harrison Keely / CC BY 4.0 (cropped)
- Related lab (Medical Imaging Lab): “Pancreas ultrasound doppler” Ptrump16 / CC BY-SA 4.0 (cropped)
- Related lab (Communication and Information Measurement [Matsuura] Lab): “Upconversion Fluorescence - Optical fiber that contains infrared light shines with a blue color in the dark - Laser Physics Lab - NTNU-NT” NTNU, Faculty of Natural Sciences and Technology / CC BY 2.0 (cropped)
- Related lab (Tumor Biomedical Engineering [Kodama] Lab): “Scanning electron microscope - UFCH JH (2020) 04” Tadeáš Bednarz / CC BY-SA 4.0 (cropped)
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