What We Do
Gugendo specializes in product development that spans both software and hardware.
Gugendo is Prototyping desktop, mobile, and cloud applications Cloud server infrastructure (ASP, AWS, GCP, Azure) Design and development of microcontroller-based circuit boards a company based in Itabashi, Tokyo
Gugendo specializes in product development that spans both software and hardware.
We turn fun prototypes from our daily R&D into products that are not essential to daily life, but add a little joy.
All Gugendo needs is your vision. Why not bring your ideas to life with cutting-edge technology?
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We will exhibit at the 30th Itabashi Industrial Trade Fair (Manufacturing & Processing Technology Expo). This will be Gugendo's 4th appearance at the fair. Dates: November 5–7, 2026 Venue: Uemura Memorial Kaga Sports Center, Itabashi |
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We have updated our CSR activities page. It now includes a report on our visit to Ainan Town, Ehime Prefecture. See the CSR page for details. |
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Rather than replacing everything (and discarding what works), we keep what is good as it is. Gugendo looks beyond generative AI alone—we consider "retrofit." * This page was produced using our in-house local generative AI server. |
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2026/5/12 Sample shipments of the Nitrocellulose Flame Color Experiment Kit have begun. Experience the wonder of flames and cotton while exploring science in a fun way. |
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| Available soon through our online shop. Pre-orders accepted via the contact form. |
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March 2026: We have published our CSR activities page. Gugendo will continue activities for society and the community. |
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| Click here or the image above to visit the page. |
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2026/1/1 Happy New Year. |
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| 1/10 A limited New Year's card site will also be published. Enjoy videos and music via the link. |
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12/14 We have released a new song. Please listen! (The YouTube link has moved to the New Year's card site.) |
The 29th Itabashi Industrial Trade Fair — Manufacturing & Processing Technology Expo 2025 has closed successfully.
Thank you very much for your visits.
We have obtained a secondhand dealer's license so that customers can use our services with confidence.
東 京 都 公 安 委 員 会 許 可
第 305552516797 号
古 物 商
合同会社 具現堂
Our experienced engineers develop software for Windows, Android, iOS, and Linux, as well as AI, ML, and web projects.
We develop communication modules (Wi-Fi, Bluetooth, RF, NFC), prototype IoT firmware for Atmel/PIC microcontrollers, and integrate PC and mobile applications.
Prototyping and small-batch production using 3D printers, laser cutters, and UV printers. We also offer CAD design, PCB development, sheet metal welding, and painting.
