Yutaka Manufacturing Co., Ltd.Jumpers, couplers, connectors manufacturing -Yutaka Manufacturing Co., Ltd.-

Jan Founded in the Haneda District of Ohta-ku, Tokyo. Commences manufacture of wiring couplers for railway cars

Sep Founder Toyokazu Maki (a former engineer at the Ministry of Railways) establishes Yutaka Manufacturing LLC in Kitakojiya, Ohta-ku, Tokyo

Mar Commences manufacture of jumper couplers for railway cars. Becomes a designated manufacturer for the Japanese National Railways (now JR)
Nov Commences manufacture of switches for electrical railway car controls, and of junction boxes
Jun Commences design and manufacture of jumper couplers for the JNR 20 Series express passenger trains

Jul Commences manufacture of master controllers for the JNR DD13 type diesel locomotives

Feb Commences design and manufacturer of electrical couplers for ordinary industrial equipment
May Builds the Takasaki Plant (currently the Head Office) at the Yawata Industrial Park in Takasaki-shi, Gunma-ken
Dec Commences design and manufacturer of the KE75 type electrical coupler


Dec Develops a multi-contact large-capacity fully automated electrical coupler device (auto-coupler) for steel plant rolling equipment. Commences delivery to steel plants in Japan

Oct Perfects the automatic train coupling and uncoupling system, and delivers it to the Odakyu Railway Co.

Feb Organization change to Yutaka Manufacturing Co., Ltd.
Feb Develops a high-voltage connector (YH1 Series). Delivers to the 200 Series Shinkansen

Feb Develops a low-voltage connector (YL100, 200 Series), and commences manufacture
Oct In a business tie-up, develops a connector (MY Series) using the multi-contact held by the Swiss company MC, and commences manufacture
Apr Establishes a new warehouse on the site of the Takasaki Plant
Mar Establishes a new engineering wing on the site of the Takasaki Plant. Bias testing equipment completed
Oct Business tie-up agreement related to the sale in Japan of grounding devices manufactured by Ferraz Japan, Ltd. (now Mersen Japan) and Ferraz S.A. of France

Sep Develops a multi-core high-voltage connector (YH6A・7A Series), and commences manufacture
Sep 50th anniversary of founding
Jul Acquires ISO9001 certification
Sep Independent exhibit at "InnoTrans 2000" held in Berlin, Germany
Apr Develops a compact, lightweight low-voltage connector (FY Series), and commences manufacture
Jul Technology tie-up agreement with the CNR Qingdao Sifang Rolling Stock Research Institute
Jun Selected by the Small and Medium Enterprise Agency to the list of "300 of Japan's Dynamic Monodzukuri (Manufacturing) Small and Medium-sized Enterprises"

Mar Delivers auto coupler system to a major steel plant in Japan
Mar Head Office moved to 1-chome, Omorikita, Ohta-ku, Tokyo
Jul Acquires Eco Action 21 certification
Aug Develops electropneumatic integrated Train coupling and uncoupling devices, and commences manufacture
Oct Develops an Ethernet connector (EY Series), and commences manufacture

Mar Establishes a new test wing on the site of the Takasaki Plant. Introduces a large vibration testing equipment
Dec Develops a high-voltage connector capable of 3600V
Jan Completes a new building (assembly wing) on the site of the Takasaki Plant
Mar Develops an Ethernet-compatible electrical coupler, and commences manufacture
Apr Head Office moved to Takasaki-shi, Gunma-ken
Aug Completes processing wing on the site of the Takasaki Plant