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Tomura Lab
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A lab that invents next-generation antennas, such as origami antennas that unfold to a large size in space.
AboutAbout the lab
Inventing antennas that support next-generation wireless
Tomura Lab studies antennas for satellites and wireless power transfer, electromagnetic field analysis, and wireless communication systems.
For 6G communications, space communications, Earth observation, and sensing, the lab takes on the invention of new antennas and electromagnetic structures.
It creates new antennas by combining electromagnetic field theory with mechanical engineering, such as origami structures, and with materials science.
The lab aims to advance basic theory, experimental verification, and real-world applications in good balance.
Key terms
- Electromagnetic field analysis
- A method that uses computers to calculate how radio waves and electric and magnetic fields spread, in order to predict antenna performance
- Parabolic antenna
- An antenna that uses a bowl-shaped reflector to focus radio waves onto a single point. It is used for communicating over long distances
- Millimeter waves and terahertz waves
- Radio waves with very high frequencies. They are suited to ultra-high-speed communications that send large amounts of data at once
NewsLab news
A student received the Young Researcher Encouragement Award from the Technical Committee on Antennas and Propagation of the Institute of Electronics, Information and Communication Engineers (IEICE)
Associate Professor Tomura received the Distinguished Service Award from the Technical Committee on Antennas and Propagation of the Institute of Electronics, Information and Communication Engineers (IEICE)
Associate Professor Tomura received the Outstanding Associate Editor Award from IEEE Antennas and Wireless Propagation Letters (AWPL)
A press release was issued on the ground demonstration of the "origami antenna" that unfolds to a large size in space
A master's student received the FY2024 Outstanding Master's Thesis Award from the Department of Electrical and Electronic Engineering
ResearchResearch themes
The lab studies antennas and electromagnetic structures for next-generation wireless systems, including 6G communications, space communications, Earth observation, and sensing. It creates new antennas by combining electromagnetic field theory with mechanical engineering and materials science.
*Illustrative imageOrigami deployable antennas for ultra-small satellites
In collaboration with a mechanical engineering lab, the lab studies origami-like antennas that fold compactly for launch on a rocket and unfold to a large size in space. They allow even small satellites to use large antennas, leading to high-speed communications and high-resolution Earth observation.
*Illustrative imageReflectarray antennas
These are flat-panel antennas that, like parabolic antennas, can focus radio waves onto a single point or send them far away. Because they are light and thin, they are easier to mount on satellites and base stations.
*Illustrative imageTransmitarray antennas
These are flat lens antennas that can focus or redirect radio waves while letting them pass through. They are light and highly efficient, and help make satellite communication and millimeter-wave communication equipment smaller and higher-performing.
*Illustrative imageMillimeter-wave and terahertz-wave antennas
These are antennas that use millimeter waves and terahertz waves for ultra-high-speed communications. The lab aims to achieve the large-capacity data transmission needed for 5G/6G and high-resolution sensing.
MembersFaculty
Tomura Lab is run jointly with Hirokawa Lab, and its members consist of faculty, researchers, doctoral, master's, and undergraduate students, and administrative assistants.As of 2026
- Associate ProfessorTakashi TomuraPublications ↗
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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: “Radio-frequency-anechoic-chamber-HDR-0a” Adamantios / CC BY-SA 3.0 (cropped)
- Origami deployable antennas for ultra-small satellites: “PIA20346marsco” NASA/JPL-Caltech / Public domain (cropped)
- Reflectarray antennas: “Feedingstrips” Ulfbastel / CC BY-SA 3.0 (cropped)
- Transmitarray antennas: “Metallic lens antenna Bell Labs 1946 rear view” Unknown author
（Popular Science 誌より） / Public domain (cropped) - Millimeter-wave and terahertz-wave antennas: “CSIRO ScienceImage 11278 CSIROs prototype phased array feed in position on an antenna for testing” David McClenaghan, CSIRO / CC BY 3.0 (cropped)
- Related lab (Hirokawa Lab): “Compact AIS antenna” ESA – G. Porter / CC BY-SA 3.0 (cropped)
- Related lab (Okada Lab): “07R01” Mister rf / CC BY-SA 4.0 (cropped)
- Related lab (Shirane Lab): “DARPA amplifier on silicon USC” University of Southern California and Columbia University / Public domain (cropped)
- Related lab (Aoyagi Lab): “Reverberation chamber” Manuamador / CC BY-SA 3.0 (cropped)
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