Representative Director Greeting

We have been using eco-friendly cleaning agent since Ohtsuka Shokai Co., Ltd. was founded in 1969 and supplied high precision cleaning system to meet customers satisfaction. Nowadays superior level cleaning systems are in great demand from C-Mos sensor, MEMS, Semiconductor and other industries which existing cleaning systems cannot meet customer requirements.
Shin-Ohtsuka will continue to develop, keep challenging against mission impossible target by persistent R&D and that can help customers to fulfill customers’expectation hereafter.

Shin-Ohtsuka Co., Ltd. President Masakazu Okamoto photoPresident
Masakazu Okamoto

Business Philosophy

By using eco-friendly fluorinated solvent, Shin-Ohtsuka will provide a solution for customers’ superior high cleaning issues.

Company Profile

Company Name Shin-Ohtsuka Co., Ltd.
Date of Establishment February 2017
Capital JPY50,000,000
Name of Directors
PresidentMasakazu Okamoto
AuditorTadashi Yoshida
Major Shareholders Masakazu Okamoto
Hiroshi Ohtsuka
Head Office 10F,Nippohommachi Bldg. 2-4-6 Minami hommachi,Chuo-ku Osaka 541-0054 Japan
Tokyo Branch 2-5-10 Yanagibashi, Taito-ku Tokyo 111-0052 Japan
Major Bank The Nanto Bank,Ltd.
The Risona Bank,Ltd.
The Mitsuisumitomo Bank,Ltd.
Affiliated Organization Japan Industrial Conference on Cleaning (JICC) Supporting member


1969 Jan

Ohtsuka Shokai Co., Ltd. founded

1972 May

Ohtsuka Shoji Co., Ltd. established
Capital JPY1,000,000

1974 Jul

Capital increase JPY4,000,000

1975 Dec

Change company name to Ohtsuka Technical Industry Co., Ltd.

1976 Sep

Capital increase JPY10,000,000

1982 Nov

Construction of new head office at Osaka/Yodogawa-ku

1983 Jun

Capital increase JPY20,000,000

1985 Jul

New factory at Fukuyama/Hiroshima

1986 Jun

Capital increase JPY30,000,000

1986 Dec

New laboratory room at Chiyoda-ku/Tokyo

1988 Oct

Open an office at Chicago/USA

1992 Sep

New factory at Higashi-Osaka/Osaka

1999 Feb

Shin-Ohtsuka co., Ltd. established
Joint venture with Shin-Nippon Koki Co., Ltd. and Mitsui & Co., Ltd.

2001 Apr

Production started in Kingdom of Thailand

2017 Feb

Split company Shin-Ohtsuka Co., Ltd. established