Yasunaga Computer Systems Co., Inc.

Yasunaga Computer Systems Co., Inc.

Head Office
2-20-3, Hanando-Minami,
Fukui 918-8015 Japan
TEL: +81.776.33.5333
FAX: +81.776.33.5334
E-mail: Web(at)yasunaga(dot)co(dot)jp  
Tokyo Branch
Tokyo, Tomono Bld.3F, 7-13-22, Ginza, Chuo-ku, 104-0061
TEL: +81.3.3543.3533

Foundation April, 1988
Establishment August, 1992
Capital 10,000,000 yen
President Yasunaga Yukimune
Number of employees 10


Business description

Development of computer systems for orthodontic clinics
Sale of medical materials and equipment
OSAS implant screws, Plier, Bracket, Diamond Bar, Dental Latex Gloves, Dental ToothBrush(preDental )Model Trimmer

Apple Computer Authorized Developer
4DTechnical Developer


Cephalo One (Macintosh、Windows)
Ortho One (Macintosh、Windows) 4Dapplication
CephaloMetrics AtoZ (Macintosh、Windows XP,Vista)
Cephalo analyser system+model (PC9801)
Versa-STAT (Windows XP)
Quick Ceph Image Pro (Macintosh)

Programming language for software development - C, 4D applications development

Business banks 

Mizuho Bank, Sumitomo Bank, Hokuriku bank

Main customers


ACI Japan, WEHMER CORPORATION (IL, U.S.A.), Rolf Hammher ( Germany ), Epoch Medical, DEWIMED ( Germany ), YTY ( Malaysia), Cross Teck ( Thailand )



Hokkaido University, Health Sciences University of Hokkaido, Tohoku University, Iwate Medical University, Ohu University, Tokyo Medical and Dental University Faculty of Dentistry, Tokyo Dental College, Meiji University Faculty of Dentistry, Tsurumi University Faculty of Dentistry, Meikai University Faculty of Dentistry, Nihon University Faculty of Dentistry, The Nippon Dental University, Tokyo Medical University, Yokohama CIty University, Tokai University Faculty of Medicine, Kitasato University, Niigata University Faculty of Dentistry, Kanazawa University Faculty of Medicine, Matsumoto Dental University, Asahi University Faculty of Dentistry, Aichi Gakuin University Faculty of Dentistry, Osaka Dental University, Kyoto University Faculty of Medicine, Okayama University Faculty of Dentistry, Hiroshima University Faculty of Dentistry, Tokushima University Faculty of Dentistry, Kagawa Universituy, Kyushyu Dental University, Kyushyu University Faculty of Dentistry, Fukuoka Dental College, Nagasaki University, Oita University, Kagoshima University Faculty of dentistry, University of the Ryukyus

Private Orthodontic clinics

Our software is introduced by more than 1,100 users and our dental products such as dental gloves, implants etc are delivered to more than 4,500 customers.

President's greeting

President's greeting

President's greeting

Career summary

President Yasunaga Yukimune
1955 Born in Fukui
1978 Graduated from Fukui University, Faculty of Engineering
1982 Began to work at System Labo Fukui Co. Ltd.
Started researching, developing and selling Statistics and Orthodontic software
April, 1988 Medical department established as Yasunaga Laboratory Computer Systems (Yasunaga Laboratory)
Became a member of Fukui Chamber of Commerce
August, 1992 Yasunaga Computer Systems Co., Inc. founded

A member of Japanese Association of Orthodontists, Japanese Association of Pedodontists


Contact us:
TEL: +81.776.33.5333 , FAX: +81.776.33.5334
E-mail: yasunaga(at)yasunaga(dot)co(dot)jp

Copyright(C) 2008 -2019,YASUNAGA Computer Systems Co.,Inc.