SAWAFUJI ELECTRIC CO.,LTD.

Founded by Tadao Sawtooth in Ushiromachi, Ushigome, Chiyoda Ward, Tokyo (Ushigome Kita-machi, Shinjuku Ward)

Founded by Tadao Sawato at Kitamachi, Ushigome, Tokyo (Ushigome Kita-machi, Shinjuku Ward), as the predecessor of our company, Sawato Electric Industry

Commenced repair services for magnetos.

Established mass production system for magnetos (as Sawafuj Electric Works).

Reorganized into a corporate organization

Completed an 8-cylinder magneto and delivered it to the Army Air Headquarters; the first Japanese-made magneto.

Started manufacturing and selling magnetos for agricultural and aircraft use

Renamed to Sawtooth Electric Co., Ltd.

Commenced production of axial-rotating magnetos.

Axial-rotating magneto (left), aircraft AS-type magneto (right), and agricultural LS-type magneto.

Built and relocated the headquarters factory to Shimura Nakadai-cho, Itabashi Ward, Tokyo

Delivered prototypes of starters and generators for automobiles to the Army Ordnance Department and received certification, then began manufacturing and selling to related automobile companies

Commenced production of armature-shift starter.

Commenced production of automotive dynamos and type II regulators.

Armature-shift starter.

Switched to civilian production, resumed factory operations, and started manufacturing and selling magnetos for agricultural, industrial, and small boats

Start of production of flywheel magnet

Flower wheel magnet

Listed on the First Section of the Tokyo Stock Exchange

Development of multi-plate clutch and start of production of engage-shift type (multi-plate clutch) starter

Start of production of third brush-type dynamo for motorcycles

Engage-shift type (multi-plate clutch) starter

Start of production of distributor for passenger cars

Distributor for passenger cars

Acquired rights patent license (invention by Mr. Deltz of West Germany) related to manufacturing and selling swing motors for refrigerators from Western Trading Co., Ltd.

Acquired rights and patent licenses from Westernt Trading Co., Ltd. regarding manufacturing and sales of swing motors for refrigerators

Started manufacturing and selling swing motors

Start of production of refrigerator compressor (swing motor)

Refrigerator compressor

Start of production of engage-shift type (low-gear clutch) starter for small engines

Start of production of main switch integrated (multi-plate clutch) starter and starter dynamo for tricycle (Bambi)

Started manufacturing and selling small electric refrigerators

Start of production of in-house brand refrigerator (Engel)

In-house brand refrigerator (Engel)

Start of production of automotive salient-type alternator

Increase capital to 1,085,000,000 yen

Start of production of automotive Inbri-type alternator

Start of production of Engel refrigerator (top-lid type, AC/DC)

Start of production of Engel electric cooling showcase

Inbri-type alternator

Started manufacturing and selling portable generators and electric welders

Start of production of generator (field-rotor type) for engine generator and control box

Start of production of 150A engine welder

Start of production of engine generator (field-wound rotating type) and control box.

Start of production of transistor regulator.

Development of dentil clutch and start of production of dentil-clutch type starter.

Start of production of semiconductor-controlled relays (safety relay, block relay). Switching generator control method from CT compensation to transistor-based AVR.

Semiconductor-controlled safety relay.

Semiconductor-controlled block relay.

Start of production of front-opening type refrigerator.

Acquired 159,341㎡ of new factory land and commenced construction of the new factory

Acquired 159,341㎡ of land for a new factory and commenced construction of the new factory

Relocated headquarters to Nerima Ward, completed and moved into the new Nitta factory

Start of production of CDI (Condenser Discharge Ignition System).

Start of production of external gear (dentil clutch) reduction starter.

Start of production of planetary gear (dentil clutch) reduction starter.

First domestic production of brushless alternator for trucks.

Brushless alternator.

Started manufacturing and selling refrigerators for buses

Development of low-gear clutch and start of production of internal gear reduction starter.

Start of production of TCI (Transistor Controlled Ignition System).

Start of production of DC motor for cab tilt.

Start of production of CLC-type brushless generator.

Start of production of ferrite-magnet type compressor for refrigerator.

Start of production of Mel regulator.

Start of production of DC motor for outboard motor tilt & trim.

DC motor for outboard motor.

Commencement of production of compressors for multi-magnetic circuit refrigerators

Started manufacturing and selling in-car refrigerators

Established subsidiary 'SSD Co., Ltd.'.

Acquired 'Sato Industry Ltd.' and reorganized as subsidiary 'STC Co., Ltd.'.

Commencement of production of IC magnets (IC version of TCI magnets)

IC magnet

Acquired

Commencement of production of in-house brand generators (Elmax)

In-house brand generator (Elmax)

Commencement of production of refrigerators using ozone‑layer‑protecting refrigerant

Commenced manufacturing and sales of low-temperature storage units in the United States.

Commencement of production of inverter generators (EU series)

Commenced manufacturing and sales of Ritada.

Commencement of production of truck retarders (exciter‑integrated type)

Truck retarder

Established subsidiary 'Engel Distribution Pty Ltd' in Australia.

Commencement of production of neodymium‑magnet compressors for refrigerators

Established a subsidiary in Australia, "Engel Distribution Pty Ltd"

Established subsidiary 'Marcon Sawafuj Ltd' in the United Kingdom.

Commencement of production of refrigerators using ozone‑layer‑protecting foaming agent

Commencement of production of standard hybrid stator ASSY

Commencement of production of hybrid ECU

Hybrid ECU

Relocated headquarters to Ota City, Gunma Prefecture (site of the Nitta factory).

Commencement of production of vehicle control ECU

Relocated headquarters to Ota City, Gunma Prefecture (Nitta Factory location)

Commencement of production of emergency generators for domestic market

Established joint venture subsidiary 'Sawafuj Electric Thailand Co., Ltd.' in Thailand.

Received the Japan Quality Promotion Award and the TQM Promotion Award.

Commencement of production of motors for large hybrid route buses

Commencement of production of pull‑out refrigerators

Pull‑out refrigerator

Received the Japan Quality Encouragement Award and TQM Encouragement Award

Commencement of production of motors for small hybrid trucks

Start of production of motors for large hybrid trucks

Start of production of battery packs

Motors for large hybrid trucks

Transitioned from the First Section to the Standard Market of the Tokyo Stock Exchange due to a review of market classifications.

Engel Refrigerator 60th Anniversary Model Launch

Start of manufacturing and sales of motors (EV motors) for trucks

Engel Refrigerator 60th Anniversary Model

Motors for small BEV (Battery Electric Vehicle) trucks

Issued a sustainability report.

Received the 2024 Gunma Prefecture Environmental Award 'Gunma Five Zero Declaration Achievement Contribution Award'.

Published sustainability report and received the Gunma Prefecture Environmental Award for the "Gunma 5 Zero Declarations" contribution award in 2024