What is Yamisan? Brand Origin and Review

You may have seen the brand “Yamisan” while shopping for smartphones and portable charger accessories.
While the name might lead many to assume it is a Japanese company, which country’s brand is it really?

In this article, we explore the true identity of Yamisan based on trademark registrations and seller information, and provide a detailed explanation of its history, product characteristics, and reliability.

What country is Yamisan from?

First, let’s take a look at the country of origin for the Yamisan brand.
Based on publicly available trademark and seller information, the following points become clear:

• Registered as a trademark in Japan in 2022 by a Chinese national, “Duan Shan”
• Also registered in the European Union (EU) in 2023 under the name “Shan Deng (China)”
• The official website contains no company name or location, focusing instead on introducing the brand’s design philosophy
• Amazon sellers for these products are all companies based in Changsha, Hunan Province, China

In short, Yamisan is a brand originating from China, and it is deployed in the Japanese market through import and sales.

The history of Yamisan

The history of Yamisan is still quite short.
Tracing the chronological order of trademark applications and registrations reveals its trajectory.

• December 8, 2021 (Japan): Filed for the “Yamisan” trademark (Class 9)
• June 24, 2022 (Japan): Registered the “Yamisan” trademark, with Duan Shan (individual) as the rights holder
• 2022–2023 (Japan): Also registered “Lovaree” (Class 9) and “Alybes” (Class 11) under the same rights holder name
• August 1, 2023 (EU): “Yamisan” registered under the name Shan Deng in Class 11

As you can see, trademarks have been registered one after another in Japan and the EU since 2021, showing that multiple brand expansions have been carried out over a short period.

Features of Yamisan products

Next, let’s look at the characteristics of Yamisan products.
Based on products actually sold on Amazon and descriptions on the official website, the following points stand out:

• Flagship Products: MagSafe-compatible portable chargers (10,000mAh class, supporting PD/QC), wireless chargers, etc.
• Design Tendencies: Emphasizes slim, lightweight, and titanium-style designs tailored around the Apple ecosystem
• Safety Aspects: Mentions safety features such as PSE compliance and built-in temperature control chips
• Practical Use: Can be used not only for charging smartphones on the go but also as an emergency power source during disasters or power outages

However, consumers should also note that sales are primarily centered around Amazon Marketplace and that official information lacks sufficient transparency.

Summary

Let’s summarize what we have covered so far.

• Country of Origin: A brand originating from China, with trademark registrations in Japan and the EU as well.
• History: Applied for in Japan in 2021 -> Registered in 2022, and registered in the EU in 2023.
• Features: Primarily develops MagSafe-compatible portable chargers and related items. While design and functionality receive a certain level of praise, transparency remains an issue.

Yamisan is a relatively new brand from China, and its product designs and functions have earned a certain degree of recognition.
However, because official corporate information and support systems are limited, it is important for users to thoroughly verify information before making a purchase.

Thank you for reading until the end!

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This article was originally written in Japanese and has been translated.