Kuramoto Journal

Kuramoto Journal

2025/08/16

【Patent application filed】From the sky, shaping the future of sake.

From the sky, shaping the future of sake.

 Drones reveal the true quality of sake rice.

 9 years in the making — now patented innovation.

[Announcement]
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Application Number: 2025-36917
Title of Invention:
 Sake rice quality prediction device and quality prediction method
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Izumibashi Sake Brewery has just taken a big step toward a long-held dream — we have filed a patent for our new technology that predicts the quality of sake rice before it is harvested!
By using drones equipped with special cameras to capture images of our rice fields, we can analyze the data to determine quality indicators like protein content. This allows us to select the ideal plots of rice for brewing each style of sake with remarkable precision.
With this technology, our sake design and brewing process will reach a new level, enabling us to create flavors exactly as intended.
This achievement is the result of nine years of research, trials, and determination. We will continue to evolve our philosophy of “brewing sake from growing the rice.”
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Application Number: 2025-36917
Title of Invention:
 Sake rice quality prediction device and quality prediction method
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(The figures indicate the average protein content of sake rice grown in each field.)
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