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UO Co., Ltd.UO CO., LTD.
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SMARTPHONE ACCESSORIES

Smartphone Accessories Business

Smartphone accessories sales business centered on 3911

The business foundation of UO Co., Ltd. is its smartphone accessories business. With "3911" on Rakuten Ichiba as its main storefront, the company has expanded sales of smartphone accessories and developed original items. The operational know-how accumulated on the sales floor now serves as an important foundation for OEM, wholesale, and cross-border coordination.

Business Features ​

  • We develop and produce original items around the theme of products that support a more comfortable daily life.
  • We source products from around the world and refine the lineup while watching real sales-floor feedback.
  • We maintain a flexible sales structure by combining multi-device compatibility, processing support, and small-lot handling.

Main Product Categories ​

  • Smartphone cases (some custom-made)
  • Smartphone rings
  • Shoulder straps
  • Glass screen protectors

Sales Channels ​

UO Co., Ltd. offers smartphone accessories through multiple e-commerce channels. While building its sales foundation primarily on Rakuten Ichiba, the company has also expanded to Amazon and marketplace-style platforms.

  • Rakuten Ichiba: 3911 / 十色生活 / 天海スポーツ / HAGUMI / 松田 / ALLCase
  • Amazon: UOWORLD3911 / 幸田良品
  • Mercari / Qoo10 / au PAY Market: all operated under the 3911 name

Flagship Stores ​

3911 (Rakuten Ichiba / Mercari / Qoo10 / au PAY Market) ​

3911 image

As a flagship store operating across multiple channels, 3911 supports both broader sales paths and a wider product lineup. While rooted in Rakuten Ichiba, it is also operated under the same name on Mercari, Qoo10, and au PAY Market, expanding customer touchpoints.

Strengths Developed Through This Business ​

  • Know-how for supporting all device models
  • Expertise in product page operations and review improvement
  • An integrated system linking processing through sales
  • An operational foundation that can be extended to OEM, wholesale, and cross-border coordination

CONTACT

We welcome consultations on
OEM, wholesale, and cross-border coordination.

Our main products are available from lots of one unit. We support Japanese, Chinese, and English, and propose a step-by-step approach from small-lot trials to ongoing deployment.

OEM / wholesale scope