Wellcome to Ryokuseisha's Homepage, the comprehensive manufacturer of Light buoy, Light Beacon, Wave Activated Generator,radio buoy, radio buoy,Satellite buoy.

+81 3-5644-7950 Japanese

LOCATION OF OFFICES AND FACTORY

HEAD OFFICE

Head office

Nihonbashi Kodenmacho 16-6, Chuo-ku, Tokyo, 103-0001    MAP 
TEL: +81 3-5644-7950  FAX: +81 3-5644-7953

LOCATION OF OFFICES AND FACTORY

Important news

2025.05.01 The Shizuoka Branch Office has been relocated.(On the premises of TOZAIKIKI Corporation)
Telephone and fax numbers remain unchanged.
2024.07.17 We opened Fukuoka Branch Office in Onojo city.
For customers in Kyushu, we will correspond with our Fukuoka sales office.
We appreciate your continued patronage.
2022.03.02 The fax number of the Tohoku Sales Office has changed.
(FAX:+81 19-903-0493 -> +81 50-3145-9451)
2018.11.01 We opened Tohoku Sales Office in Ofunato city.
2018.10.31 We have closed the Kesennuma Sales Office and Fukuoka Sales Office for rationalization of management.

Tohoku office
(2018.11.01 Opened)

Ofunatocho-marumori 77-1, Ofunato, Iwate 022-0002
TEL: +81 192-47-4930  FAX: +81 50-3145-9451

Tokyo office

Nihonbashi Kodenmacho 16-6, Chuo-ku, Tokyo, 103-0001    MAP 
TEL: +81 3-5644-7950  FAX: +81 3-5644-7953

Shizuoka office
(2025.05.01 Moved)

Tajiri 2339-7 (On the premises of TOZAIKIKI Corporation), Yaizu, Shizuoka, 425-0052    MAP 
TEL: +81 54-627-4013  FAX: +81 54-629-4783

Kobe office

Kaguracho 2-3-1, Nagata-Ku, Kobe, Hyogo, 653-0836    MAP 
TEL: +81 78-642-8575  FAX: +81 78-642-8576

Fukuoka office
(2024.07.17 Opened)

Nakahata 1-7-28, Onojo, Fukuoka, 816-0921    MAP 
TEL: +81 90-3663-1123  FAX: +81 92-501-2631

Ryugasaki factory

Kawarashiromachi 2422-2, Ryugasaki, Ibaraki, 301-0005    MAP 
TEL: +81 297-64-9581  FAX: +81 297-64-9571

LOCATION OF OFFICES AND FACTORY Tohoku office Tohoku office Ryugasaki factory Ryugasaki factory Tokyo head office Tokyo head office Shizuoka office Shizuoka office Kobe office Kobe office Fukuoka office Fukuoka office

ISO9001
ISO 9001 qualified in our "Ryugasaki factory". ISO certification mark