Original hot chili potato chips since 1984. Its taste has not only "Hot" but also mixed delicious meat and vegetable flavor.

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Tasty potato chips with good balance of sweetness and sourness serving new vigor and relaxation to ones who have it, popular among women.

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Potato Chips

Made from only domestic grown potato. We keep "good taste" and "good quality" of our products since the foundation of Koike-ya, and had launched "Nori-shio" as familiar taste with Japanese people in 1962.

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Japanese-born corn snack with crunchy and crisp texture, This rich taste attracts many people.

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Authentic Mexican snack with rich corn flavor made from whole grain.
Everyone can enjoy the taste that suit Japanese people.

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"Polinky" has mesh pattern and triangular shape, having crisp texture and mildly sweet corn taste.

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Our Product in Overseas


Karamucho Series

Based on the most popular “Karamucho Hot Chili”, “Karamucho” in Taiwan has local flavors such as very spicy hot chili and prawn black pepper.

Suppamucho Series
Potenowa Series

“Suppamucho” has also original taste and “Potenowa” is available only in Taiwan market.

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Hong Kong / Macau

Hong Kong, Macau and China
  • Karamucho Series
  • Demae Iccho Chips
  • Cup Noodles Chips

In addition to Koikeya’s main brand of “Karamucho”, “Demae Iccho” chips and “Cup Noodles”chips have been sold as original products of Nissin Koike-ya Foods(China & HK)Co., Ltd.



Karamucho Series
  • Karamucho Hot Chili
  • Karamucho Hot Chili Ridge Cut Type

“Karamucho” in Thailand is much more spicy than that in Japan.
These products have been very popular with Thai consumers, who are used to spicy snacks.



Karamucho Series
  • Karamucho Potato Snack Hot Spicy
  • Karamucho Corn Snack Hot Spicy
  • Karamucho Corn Snack Rich-Spicy Shrimp

“Karamucho” in Vietnam has two types of snacks, potato chips and corn crunch sticks. It is a special blend of hot, spicy, sour and sweet.

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The United States / Canada / Malaysia

The United States and Canada
Karamucho Series
  • Karamucho Hot Chili
  • Karamucho Hot Chili with Seaweed

“Karamucho” is a spicy and tasty potato chip with chili powder and other various spices.

Koikeya Potato Chips Series
  • Salt & Seaweed

It’s the authentic Japanese potato chips brand.


  • Potechi Teriyaki
  • Potechi Wasabi Nori

“Potechi” is original premium potato chip seasoned with authentic and traditional Japanese flavor.





KOIKE-YA, Japanese snack food manufacturer, produces and sells snacks and health foods.
It had made first success of mass production for potato chips in Japan, and had developed a number of unique, original brands such as “KARAMUCHO” and “SCORN.”
Now we challenge developing new material, new package and new market that can innovate current food culture.

Company name KOIKE-YA Inc.
Business activities manufacturing and sales of snack foods and health foods
Head Office 5-9-7 Narimasu, Itabashi-ku, Tokyo 175-0094, Japan
TEL +81 3 3979 2115 (Main)
Representative Takashi Koike
Capital 2,269 million yen
Sales 32,430 million yen (FY ending June 2016)