Corporate Data

Growing worldwide with the goal of covering all major regions

Shiroki Corporation started operations in 1946 as Shiroki Kinzoku Kogyo Co., Ltd., a subsidiary of Shirokiya, which operated a department store in Nihombashi, Tokyo. The current company name has been used since 1988.

Shiroki develops, manufactures and sells a variety of automotive components. One category is functional interior parts such as seat recliners and seat adjusters, window regulators and door locks. Shiroki is also a supplier of doorframes, moldings and other exterior parts.

Outside Japan, there are subsidiaries in North America (Shiroki North America, Shiroki-GA, Shiroki-GT), China (Guangzhou Shiroki), Thailand (Shiroki Corp. (Thailand)), Indonesia (Shiroki Indonesia), and India (Shiroki Technico India). Shiroki has been expanding its production and supply infrastructure in the rapidly growing markets of emerging countries. Shiroki is continuing to make investments to enlarge and upgrade its global R&D and manufacturing operations.

Shiroki Corporation Overview

March 1946
Paid-in Capital
7,460 million Yen
152,017 million Yen (parent),
254,248 million Yen (consolidated)
*as of March 31, 2022
2,384 (parent),
5,424 (consolidated)
*as of March 31, 2022
Manufacturing and sales of automotive interior and exterior parts, and seats for trains.
Key Products
[Automotive parts] Seat Recliners, Seat Adjusters, Window Regulators, Door Frames, Moldings, Door Locks and Hinges, etc.
[Others] Seats for trains.


Head Office
35-1, Shimono Ichiba, Chigiri-cho, Toyokawa City, Aichi Prefecture, 442-8501
Tel: 0533-84-4691,
Fax: 0533-84-4812
Main Office
2, Kirihara-cho, Fujisawa City, Kanagawa Prefecture, 252-0811
Tel: 0466-44-8571,
Fax: 0466-45-3145
Fujisawa Plant
2, Kirihara-cho, Fujisawa City, Kanagawa Prefecture, 252-0811
Tel: 0466-44-4511,
Fax: 0466-45-8222
Toyokawa Plant
27, Ooki-cho, Toyokawa City, Aichi Prefecture, 441-1205
Tel: 0533-93-4141,
Fax: 0533-93-5899
Toyota Plant
1, Tennoh, Takaokashin-machi, Toyota City, Aichi Prefecture, 473-0921 (within Aisin’s Shintoyo Plant site)
Tel: 0565-52-4691,
Fax: 0565-52-4791
Nagoya Plant
635-26, Komugio, Nishihirose-cho, Toyota City, Aichi Prefecture,470-0309
Tel: 0565-46-4691,
Fax: 0565-46-4698
Osaka Plant
12-20, Tanaka-cho, Ibaragi City, Osaka, 567-0025
Tel: 0726-25-3791,
Fax: 0726-26-3387

Major Customers

Toyota Motor Corp., Fuji Seat Co., Ltd., Toyota Boshoku Corp., Nissan Shatai Co., Ltd., Suzuki Motor Corp., Honda Motor Co., Ltd., Nissan Motor Co., Ltd., Toyota Motor East Japan, Inc., Daihatsu Motor Co., Ltd., Isuzu Motors, Ltd., NHK Spring Co., Ltd., Toyo Seat Co., Ltd., Mitsubishi Motors Corp., Subaru Corporation, Toyota Auto Body Co., Ltd., Toyota Tsusho Corp., Hino Motors, Ltd.

Board Members

President Senior Executive Officer
Toshio Tanaka
Vice President Senior Executive Officer
Yasuhisa Tsutsumi
Director, Managing Executive Officer
Yasushi Fujimoto
Jun Masuda
Kazuto Koyama
Managing Executive Officer
Kazuo Tarutani
Full-time Auditor
Masutaka Kaede
Shintaro Ito
Fusahiro Yamamoto
Managing Executive Officers
Toshiyasu Ogawa
Akira Yamada
Hiroshi Takayanagi
Masahiro Tagata
Masaru Noda
Yo Matsui