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- Sep 28, 202690% CONFIDENCEfrom the source
Koikeya Launches Pure Potato Beef & Cheese Chips in Japan
- Koikeya released Pure Potato Beef & Cheese at convenience stores nationwide on Monday 28 September 2026, with supermarkets and other channels from Monday 5 October[1]
- The 52 g bag is sold at open pricing; Koikeya's release states no price[1]
- Koikeya built the flavour around the social-media term "uma-kaku", food you are sure will taste good before eating, to appeal to younger buyers[1]
- Koikeya says Pure Potato's estimated sales in September 2025 were its highest since the brand launched in 2018, after a full renewal in August 2025[1]
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References 382% CONFIDENCEOverall confidence: 82%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better
The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
- [1]90%koikeya.co.jp/news/detail/1843.htmlkoikeya.co.jp· Posted Oct 4, 2026· Starts Sep 28, 2026 ✓· 34% of score
Koikeya's[2] release says convenience stores get it first on "2026年9月28日（月）" and supermarkets on "2026年10月5日（月）"; Impress[3] Watch says it was released in convenience stores on 28 September.
- [2]75%ピュアポテト│株式会社湖池屋purepotato.koikeya.co.jp· Added Oct 4, 2026· 34% of score
Koikeya's[1] Pure Potato brand site, whose lineup section features the Beef & Cheese flavour.
- [3]80%湖池屋、ビーフとチェダーチーズで“うま確”！「ピュアポテト ビーフ＆チーズ」発売 - グルメ Watchgourmet.watch.impress.co.jp· Published Sep 29, 2026· 33% of score
Impress Watch report with the dates and 52 g size.
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