Koide Electric Works was founded in Tamachi, Tokyo Minato-ku
A manufacturing business started by two brothers

Reorganized as Toyodenso Co., Ltd.
The first step to globalization

Oji and Akabane plants were integrated and comprehensively relocated to Tsurugashima, Saitama Prefecture (at that time)
At that time, around the plant was a farm as far as the we could see

Laboratory and prototype plant completed in Tsurugashima Plant
Commercial production of motorcycle ignition coils

Commercialization of automotive switches such as wiper switches and light switches

Completed a die-casting plant in the Tsurugashima Plant
Production of handlebar levers for motorcycles begins

Constructed new office building in Shimbashi, the center of economy, finance, and business. Relocated the head office functions to this site

Reused the site of a former junior high school in Kumamoto Prefecture and established Kyushu Toyo (now Kumamoto Plant) as an affiliate subsidiary
Began business with Honda Kumamoto Manufacturing
Manufactured ignition coils and switches for automobiles and motorcycles

Established Toyodenko Co., Ltd. as an affiliated subsidiary (Saitama Prefecture)

Kameyama Plant established in Kameyama City, Mie Prefecture
Began operations as a trading base for Honda's Suzuka Plant
Manufactured generators, jet purges, distributors, etc.

Establishment of the joint venture company Toyo Jiann Tsang Electric Co., Ltd. in Taiwan

Established Weastec, Inc. as an affiliated subsidiary in Ohio, U.S.A., as a base of operations in North America
Manufactured ignition coils, distributors, etc.


Established Toyo Honda Sales Co., Ltd. as an affiliated subsidiary in Saitama Prefecture to play a role in the popularization of automobiles
Currently the Tsurugashima branch of Honda Cars Saitamakenou

Established Shanghai Toyodenso Co., Ltd. as an affiliated subsidiary as a production base in Shanghai, China

Established Thai Toyodenso Co., Ltd. in Bangkok, Thailand as an affiliated subsidiary as a hub Plant to connect Asian bases

Established P.T. Toyodenso Indonesia as an affiliated subsidiary to expand production and sales of automotive and motorcycle products in West Java, Indonesia

Established P.T. Toyodenso Indonesia as an affiliated subsidiary to expand production and sales of automotive and motorcycle products in West Java, Indonesia

Tsurugashima Plant Totally renovated and reestablished as Technical Center to integrate ndirect Departments and Respond to Globalization
Reborn as a technical center to support Toyodenso

Vietnam Toyodenso Co.,Ltd. established in Hai Duong City, Vietnam as a new Asian production base

The first Plant is designated as the generator production facility, while the second Plant is constructed and operationalized as the molding facility

Shanghai HongYao Electronic Laboratory Co.,Ltd. is established as an affiliated subsidiary to strengthen software research in Shanghai

The second plant is constructed as a molding plant and begins operation

Established a new sales office in Toyota City, Aichi Prefecture (currently the Chubu Division) to attract new customers


Third Plant is constructed as a molding Plant and begins operationThe facility used as a warehouse in Greenfield, Ohio, began operations as an assembly plant
