Business name】RIFNUM Co., Ltd.

​Research Institute for Fruit tree Nursery stocks in University of Miyazaki

【Company information】


1574-1 Kiyokawa-machi, Bungoono-City, Oita Prefecture

[Miemachi Office]

171-1 Miemachi Market, Bungo Ono City, Oita Prefecture

*Shigemasa Farm Preparation Room

[Kameyama Farm]

43-3 Nono-cho, Kameyama City, Mie Prefecture

*Fruit tree seedling production and distribution center

1-1 Gakuen Kibanadai-Nishi, Miyazaki City, Miyazaki Prefecture

[Faculty of Agriculture, University of Miyazaki]

After leaving the Kiyokawa Village Office, he is currently managing the roadside station "Kiyokawa" and the representative of the affiliated agricultural corporation "(Kiyokawa Furusato Bussankan Yumeichiba)".

 Shunsou Miura 


Supporting production sites with 25 years of technical management experience of seeds and seedlings

Keisuke Uchida 

(Production manager)


Takuya Tetsumura

(Professor, Faculty of Agriculture,

University of Miyazaki)

【Technical advisor】

~Past research achievements~

・Investigation of persimmon on dwarfing rootstock and publication of its advantageous properties on many scientific journals

・Cutting propagation of fruit trees, especially for persimmon (awarded by the Japanese Society for Horticultural Science for young researchers)

・Establishment of in vitro propagation of various fruit trees including persimmon



豊後大野市 夢市場

【Related information】




California Rare Fruit Growers, Inc.