Brand & Maker Overview

Oimoya

Sweet potato treats with 100% Japanese-grown sweet potatoes. From dried slices to baked goodness — Oimoya.

Oimoya is a sweet potato specialty shop based in Kakegawa City, Shizuoka Prefecture — delivering "sweet potato sweets" centered on dried sweet potatoes (hoshi-imo) and baked sweet potatoes. Founded in 1977 (Showa 52) in Shizuoka — said to be the birthplace of hoshi-imo — as a maker and processor of dried and baked sweet potatoes. The journey of focusing solely on sweet potatoes connects to today's lineup. Online sales began in 2002 (Rakuten Market store in 2003) — the flow of bringing sweet potato deliciousness nationwide was also organized early. The lineup handles — in addition to hoshi-imo and baked sweet potatoes — sweet potato Mont Blanc, imo yokan, and other sweets and gifts that leverage ingredient flavor. There's the joy of choosing the sweet potato's sweetness or aroma based on the day's mood.

9641 Obuchi, Kakegawa-shi, Shizuoka 437-1304, Japan oimoya
Oimoya

Why We Love It

First, start with hoshi-imo and baked sweet potato — where "the essence" comes out easily. For hoshi-imo, items where you can enjoy texture differences — like the semi-moist "Second Generation Hoshi-imo" — suit as an entry. For baked sweet potatoes, there are also microwave-warmable types like baked Beni-haruka — a helpful presence to have in the freezer. On days you want something sweeter, move to sweets like sweet potato Mont Blanc or daifuku. Just lining up hoshi-imo → baked sweet potato → sweets — the sweet potato's expressions change one after another.

PROFILE About the Company / Workshop

Oimoya's axis is very simple. Holding up the words "Bringing smiles to you with sweet potatoes," the brand connects sweet potato sweetness and aroma to daily snacks. First, that attitude comes through from the page's atmosphere.

In the background is the 1977 founding. Starting in Shizuoka as a hoshi-imo and baked sweet potato manufacturing/processing company, the lineup has expanded to sweet potato sweets that leverage ingredient flavor. The "sweet potato know-how" cultivated in the hoshi-imo land — that's the foundation.

The attitude toward raw materials is also straightforward. The company clearly states that all sweet potatoes used are domestic — also working on in-house field development since founding. Further, cooperating with nearby farmers and producers nationwide, continuing quality sweet potato making. The content of what Oimoya calls "for customer peace of mind" properly takes form.

Products don't stop at hoshi-imo and baked sweet potatoes. Sweet potato Mont Blanc, imo yokan, and other sweet potato sweets and sweet gifts that leverage ingredient flavor are prepared. How sweetness comes out and how texture is created differ slightly — making it fun.

Online sales began in 2002 (Rakuten Market store in 2003). Expressed as delivering "HAPPY" from Shizuoka nationwide. Not "buy and done" — the wish that the time of receiving and opening the box, the moment of bringing to mouth, becomes time when the heart bounces. Words with such temperature are also impressive.

Genres include hoshi-imo, baked sweet potatoes, plus Western sweets, Japanese sweets, baked goods, cakes, petit gifts, and value items. From daily snacks to gifts — a lineup that can be used distinctly even with the same sweet potato. A shop you naturally want to return to when looking for a "one-step-above standard" of sweet potato.

And finally, the gaze isn't only toward customers. Spreading the circle of joy including producers and partners too — that's the mission held up. Through sweet potatoes, nurturing gentle circulation. Behind the sweetness, you see something like a quiet core.

Founded in 1977. A shop that started from "manufacturing and processing" of hoshi-imo and baked sweet potatoes

Founded in 1977 in Shizuoka as a manufacturing and processing company for hoshi-imo and baked sweet potatoes. Still today, based in Kakegawa City, the lineup is organized leveraging ingredient flavor — to hoshi-imo, baked sweet potatoes, and sweet potato sweets.

All sweet potatoes used are domestic

Oimoya's policy is "All sweet potatoes used in our shop are domestic." Under the thinking of facing raw materials, while working on in-house field development, the company continues quality sweet potato making in cooperation with nearby farmers and producers nationwide.

Online sales since 2002 — from Shizuoka nationwide

Online sales started in 2002 (Rakuten Market store in 2003). From Shizuoka nationwide, systems for delivering "sweet potato sweets" — hoshi-imo, baked sweet potatoes, Mont Blanc, imo yokan — and gifts have been organized early.

From hoshi-imo and baked sweet potatoes to Western and Japanese sweets — wide genres selectable by mood

Genres include hoshi-imo and baked sweet potatoes, plus Western sweets, Japanese sweets, baked goods, cakes, petit gifts, and value items. From standard mail-order to small gifts — a structure easy to choose between even with the same "sweet potato."

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