Recently, the world’s reputation of sake is getting higher and higher. Many Japanese sake get awarded in overseas sake contests.
In those contests, drinking sake in a wineglass is common. Overseas restaurants serve sake in wine glasses.
Serving sake in wine glasses is very “instagenic” and, like wine, it helps to understand the smell and aroma even better.
The fine sake award by Riedel: this award for tasting sake in wineglass has started since 2011 year. Last year this award has been the 7th edition: 242 sake maker and 673 entrée of brand.
For 2018, the contest is hold in February, The Fine Sake Awards Japan (main category) Grand Gold Medal have seen 15 awarded. One of them, 大吟醸 秋田晴 (Daiginjou Akitabare) by 秋田酒造株式会社（Akitashuzo Co, Ltd.）
You can see their website (English page available): http://www.finesakeawards.jp/
The original wine glass has various shapes depending on the areas. Places like Bordeaux or Bourgogne have excellent reputation in terms of taste.
Glass quality and shape improves wine taste by diffusing properly its aromas and smell for the best experience possible.
Regarding sake, it is the same.
Women tend to enjoy drinking sake in wine glasses as it appears more fashionable and elegant to them. This is the reason why restaurants are serving sake in wine glasses more and more these days.
For example, a very popular restaurant in Tachikawa (Tokyo) serves sake that way, more precisely, sparkling sake. This is very popular among women. Girls only gathering is very good for that restaurant.
Other people, more traditional, prefer to drink sake in sake cups, to keep the original taste of the sake.
In January Tottori and Okayama antenna shop at Shinbashi. To taste sake by 備前焼（Bizen Yaki）. Sake rice 雄町（Omachi）is taste strong than 山田錦（Yamada Nishiki）. Pairing with ふな飯（Funameshi, kind of Japanese food）is very good.
After the event, drinking the same sake at home in sake cup: the taste is different. Truely, Bizen Yaki has very small hole. To pour beer, Bizen Yaki makes delicate bubble. Sake is the same way to change by Bizen Yaki: tasting smoothly.