JINUSHI KYOWA SHOKAI CO.,LTD
Corporate brand
UnclaimedJapanese poultry dealer producing and selling free-range fertile eggs under the Kokekokko Kyowakoku brand.
Last updated September 26, 2026
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Overview
JINUSHI KYOWA SHOKAI CO.,LTD is a Japanese poultry company headquartered in Taki, Taki District, Mie Prefecture. Founded in 1950 by Senzuro Jinushi as a feed and fertilizer wholesaler and retailer, the family business was incorporated in 1966 and began handling eggs in 1978. In 1989 the company entered poultry farming itself, pioneering free-range (hiratai) fertile egg production in Japan. It incorporated as a kabushiki gaisha in 1990 with capital of 10 million yen. The company is known for its free-range fertile eggs, sold under the brand name Yusei Biyoutama, and for its direct-sales outlet Kokekokko Kyowakoku, established in 1995. It operates the restaurant and shop Yamanoeki Yottei, as well as smaller outlets at Taki Parking Area and near the Seiwa-Taki Interchange. As of 2022 it raises about 120,000 birds, making it Japan's largest free-range poultry farm. It received ISO 14001 certification in 2001, the first free-range layer farm in Japan to do so, and won the Minister of Agriculture, Forestry and Fisheries Award in 2003. The company also exports eggs to Taiwan and Hong Kong. Ownership remains with the Jinushi family; after the death of Takahiro Jinushi, his wife Kayoko Jinushi became chairwoman in 2010, with Mikio Nakai as president.
History
The Jinushi family were farmers in Seiwa Village (now Taki Town), Mie Prefecture, growing rice and chestnuts. In 1950, Senzuro Jinushi started a feed and fertilizer wholesale and retail business. The business was incorporated as a limited company in 1966. In 1977, his son Takahiro Jinushi joined the company. Disliking chestnut cultivation and sorting, he began handling eggs in 1978, buying from and selling to poultry farmers. At that time, the Japanese poultry industry was becoming oligopolistic, and selling feed to small-scale farmers was becoming less profitable. Takahiro conceived of high-value free-range fertile eggs to align with health-conscious consumers, but no farmers adopted the idea because cage farming was easier. Therefore, in 1989 he entered poultry farming himself, raising about 3,000 free-range birds. Free-range farming, which allows chickens to move freely, was a pioneering approach in Japan. He visited Europe to study advanced practices and, with employees, repeated trial and error, working day and night. In 1990, the company was incorporated as a kabushiki gaisha with 10 million yen in capital. Through production efforts and sales activities, it opened sales channels to co-ops and natural food stores, growing to receive orders exceeding production capacity. In 1995, it established Kokekokko Kyowakoku. In September 2001, it became the first free-range poultry farmer in Japan to obtain ISO 14001 certification. On November 7, 2003, it received the Minister of Agriculture, Forestry and Fisheries Award at the National Excellent Livestock Management Technology Presentation, co-hosted by the Central Livestock Association and the National Beef Cattle Association. At that time, it raised about 50,000 birds in eight poultry houses, with 95% of income from processing and sales, and the rest from retail (Yamanoeki Yottei). Takahiro Jinushi fell ill and died at age 56. His wife Kayoko, who had only helped with clerical work, decided to inherit the business. In 2010, she became chairwoman as owner, and Mikio Nakai, who had been sales manager, became president. On May 26, 2018, three products—free-range fertile eggs, fertile egg castella, and luxury egg jam new princess flavor—were dedicated to Ise Jingu Geku. As of 2022, the company raises 120,000 birds, making it Japan's largest free-range poultry farm.
Senzuro Jinushi starts feed and fertilizer wholesale/retail business
Incorporated as a limited company
Takahiro Jinushi joins the company
Starts handling eggs (buying and selling from poultry farmers)
Enters poultry farming, raising about 3,000 free-range birds
Incorporated as a kabushiki gaisha with 10 million yen capital
Establishes Kokekokko Kyowakoku
First free-range layer farm in Japan to obtain ISO 14001 certification
Opens Yamanoeki Yottei shop
Receives Minister of Agriculture, Forestry and Fisheries Award
Products and positioning
High-value, safe and reassuring free-range fertile eggs and egg products, with animal welfare and environmental management.
Hiratai Yuseiran (free-range fertile eggs)
Fertile eggs from free-range hens, sold under the brand Yusei Biyoutama; low calorie and cholesterol, with original feed and health management.
Luxury egg jam (new princess flavor, Ise tea flavor)
Egg jam made with fertile eggs, launched in 2015.
Fertile egg castella
Castella cake made with fertile eggs.
Charcoal-grilled free-range chicken
Grilled chicken from spent hens raised about 600 days, seasoned with miso sauce.
Free-range chicken soboro
Minced chicken product.
Fertile egg soup
Soup made with fertile eggs.
Free-range chicken frankfurters (frozen)
Frozen frankfurters made from free-range chicken.
Sources3 sources
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