Smartphone Accessories Business
The business foundation of UO Co., Ltd. is its smartphone accessories business.
With "Matsutake Shoten" and "3911" on Rakuten Ichiba as its main storefronts, 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.
What you'll find in this business
- The role of the smartphone accessories business
- Main product categories
- Sales channels and flagship stores
- The strengths developed through this business
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: Matsutake Shoten / 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
Matsutake Shoten (Rakuten Ichiba)
As a flagship store on Rakuten Ichiba, Matsutake Shoten focuses on smartphone accessories.
Through multi-device support, custom-made products, and original item development, it has been a key part of the sales foundation of UO Co., Ltd.
3911 (Rakuten Ichiba / Mercari / Qoo10 / au PAY Market)
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