Yokoi

Yokoi Co., Ltd. (株式会社ヨコイ) is a Japanese manufacturer and seller of non-woven masks, gauze products, and hygiene goods, headquartered in Tenpaku-ku, Nagoya, Aichi Prefecture. The company traces its origins to April 1957, when it was founded as Yokoi Michio Shoten (横井道夫商店). It was incorporated as Yokoi Co., Ltd. in April 1965. Since its founding, the company has described its mission as contributing to a comfortable, healthy lifestyle, and it has consistently focused on planning, manufacturing, and selling hygiene products centered on non-woven masks, along with beauty and health care items. Yokoi's product range has evolved with customer needs, from shower caps and gauze masks at the time of its founding to non-woven masks and anti-snoring tape today. The company emphasizes domestic production: its non-woven masks are cut and manufactured entirely in Japan, and it applies food-level inspection and quality control systems, including food HACCP-compatible workwear, in its clean domestic factory. Its main product lines include the Airfeel (エアフィール) series of non-woven masks in various sizes and colors, the SuuU cooling mask, the Bloom flower mask, the tone+ slim-look mask, the lightweight "Hane no Youni Karui Mask," the Essential Mask series, gauze masks, gauze handkerchiefs, face sheets, cotton gloves, hair color products, and sleep/snoring-prevention tape. The company is led by President Kazunori Ono (小野和徳), with Takanao Yokoi (横井隆直) serving as a part-time representative director. As of the end of October 2024, it had 20 employees and capital of 50,889,000 yen. Its fiscal year ends on August 31. The head office is in Nagoya, with a Tokyo sales office in Kokubunji, Tokyo. The company celebrated its 69th year since founding in 2026, according to its website message, and continues to operate under the management philosophy of "creating a bright future from happy, exciting days."

Yokoi Co., Ltd. was founded in April 1957 as Yokoi Michio Shoten (横井道夫商店) in Japan. In June 1960, the company developed and sold the industry's first women's hair cap. In June 1963, it established the Minami Factory in Tenpaku-cho, Minami-ku, Nagoya, and in October of the same year opened a Tokyo liaison office in Taito-ku, Tokyo. In April 1965, the business was incorporated as Yokoi Co., Ltd. (株式会社ヨコイ). In May 1965, the Tokyo liaison office was renamed the Tokyo Sales Office, and in October 1965, the head office was moved to its current location in Tenpaku-ku, Nagoya. In April 1988, the company established a sewing factory in Wuhan, China. In December 2006, it began selling nursing care products. In April 2017, it started manufacturing the non-woven mask "Air Clean Mask" at its head office factory. In April 2018, the Tokyo Sales Office was relocated to Kokubunji, Tokyo. In December 2019, the company began selling high-end masks, but production was temporarily halted shortly afterward due to a surge in mask demand caused by the novel coronavirus (COVID-19) pandemic. As of its official website, the company states that it has consistently aimed to be a "health industry that supports everyone's comfortable life" since its founding in 1957, planning, manufacturing, and selling hygiene products such as non-woven masks, beauty products, and health care items. Its product lineup has changed with diversifying customer needs, from shower caps and gauze masks at founding to non-woven masks and anti-snoring tape today. The company emphasizes that it provides safe, secure, and environmentally friendly products that make both customers and employees smile. In 2026, it marked its 69th year since founding, operating under the management philosophy of "creating a bright future from happy, exciting days."

• 2019

  Began selling high-end masks; production temporarily halted due to COVID-19 demand surge.

• 2018

  Relocated Tokyo Sales Office to Kokubunji, Tokyo.

• 2017

  Started manufacturing non-woven mask "Air Clean Mask" at head office factory.

• 2006

  Began selling nursing care products.

• 1988

  Established a sewing factory in Wuhan, China.

• 1965

  Incorporated as Yokoi Co., Ltd.

• 1965

  Renamed Tokyo liaison office to Tokyo Sales Office.

• 1965

  Moved head office to current location in Tenpaku-ku, Nagoya.

• 1963

  Established Minami Factory in Tenpaku-cho, Minami-ku, Nagoya.

• 1963

  Opened Tokyo liaison office in Taito-ku, Tokyo.

• 1960

  Developed and sold the industry's first women's hair cap.

• 1957

  Founded as Yokoi Michio Shoten.

A domestic Japanese mask manufacturer emphasizing food-level quality control and safety, offering a wide range of functional and fashion-oriented masks and hygiene products.

• Airfeel (エアフィール) non-woven mask series

  A series of non-woven masks in various sizes (normal, small), packaging (5, 20, 80, 100 packs), and colors, including 3D立体 masks.

• SuuU cooling mask

  Cooling mask available in 10 and 30 packs.

• Bloom flower mask

  Flower-themed mask in pink beige.

• tone+ slim-look mask

  Slim-look mask in noble beige and urban greige.

• Hane no Youni Karui Mask (lightweight mask)

  Lightweight, breathable mask in normal and small sizes, 7 and 30 packs.

• Essential Mask series

  Masks in pearl white, apricot beige, light grey, and pale lavender, 30 packs.

• Gauze masks and handkerchiefs

  Children's gauze masks, soft gauze fabric, folded gauze, and beauty face gauze handkerchiefs.

• Face sheets

  Eye sheets, virus-compatible face sheets, and beauty face sheets.

• Cotton gloves

  Moisturizing cotton gloves, smartphone-compatible, and polyethylene gloves.

• Hair color

  Hair dye 4-piece set.

• Sleep/snoring-prevention tape

  Good sleep tape (36 sheets) and nose-breathing anti-snoring tape (12 sheets).

1. 1株式会社ヨコイ 公式サイトyokoi-mask.jp
2. 2ABOUT ｜ 株式会社ヨコイyokoi-mask.jp
3. 3PRODUCTS ｜ 株式会社ヨコイyokoi-mask.jp
4. 4ヨコイ (製造業) - Wikipediaja.wikipedia.org
5. 5Yokoi - Wikidatawikidata.org