Kojinkai Social Medical Corporation provides medical and nursing care services to patients from the acute to chronic stages, and after discharge, as a consistent flow of support. We strive to provide cutting-edge medical care, and to provide care that our users can rely on with peace of mind.

The Tokyo Individual Taxi Association promotes safe rides with individual taxis in Tokyo.

This is the homepage of Koshirakawa Construction Co., Ltd.

This is the website of Kojiro Irikura, Director of the Kyoto University Disaster Prevention Research Institute, to present his research results on earthquakes and disaster prevention. Other information includes his profile and recent status updates.

This is the official website of professional sailor Kojiro Shiraishi.

This is the official website of Kojitsu Sanso, a comprehensive specialty store for mountaineering, climbing, and outdoor equipment with over 56 stores nationwide. We provide various mountaineering and outdoor information, such as sales information for each store, mountaineering and climbing reports by Kojitsu Sanso staff, and Kojitsu Sanso magazine introducing outdoor gear. Mountaineering and outdoor equipment specialty store [Kojitsu Sanso]

We can solve garden construction, weed control, vacant lot development, parking lot construction, fence construction, block construction, renovation construction, and more.

Kojiya Honten was founded in 1689 in Saiki City, Oita Prefecture, and has been a specialty koji shop for over 300 years. We promote the appeal of koji cuisine, including salt koji, which can be used in place of salt, and sweet koji and amazake, which can be used in place of sugar. We are working to "make people all over the world happy and healthy from the inside out with koji!"

KOJI YAMANISHI is a designer brand specializing in hats, aiming to enhance the lifestyle of people through fashion and art. The brand, based in Kobe, is driven by a strong desire to bring joy and uniqueness to its customers through limited production runs that highlight the beauty of materials.

Kojiya Satomura is a rice koji product brand developed by Kosei Foods, one of the top rice koji manufacturers in Japan, that offers products such as dried rice koji, amazake, and shio koji.