|Founded by the first president, Kimimasa Saito, in Ota-ku, Tokyo, as “Ikegami Tsushinkizai Seisakusho”. Started manufacturing small transformers for telecommunications equipment, power supply equipment, etc.
|Reorganized to “Ikegami Tsushinkizai Seisakusho Company Limited” (Capital 195,000 Japanese yen)
|Established Kawasaki factory and started manufacturing TV broadcasting equipment and audio equipment.
|Established Mito factory and started manufacturing power supplies, measuring instruments, etc.
|Established Fujisawa factory and started manufacturing industrial television equipment and small transformers.
|Listed on the Second Section of the Tokyo Stock Exchange
|Established US corporation Ikegami Electronics Industries Incorporated of New York (consolidated subsidiary)
|Established Utsunomiya factory and started manufacturing industrial television equipment, etc.
|Established Ikegami factory and transferred TV camera division from Kawasaki factory.
|Changed the trade name of US corporation Ikegami Electronics Industries Incorporated of New York to the current trade name Ikegami Electronics (USA) Incorporated.
|Opened representative office in West Germany.
|Established Ikegami Electronics (Europe) GmbH, replacing the representative office
|Stocks listed on the First Section of the Tokyo Stock Exchange by designation.
|Established Techno Ikegami Company Limited.
|Established Ikegami Elder Company Limited.
|Established Item Company Limited.
|Integrated Fujisawa Office operations into Ikegami factory.
|Transferred all operations from the Kawasaki plant to the Shonan plant.
|Integrated Mito factory operations into Utsunomiya factory.
|Liquidated Ikegami Elder Company Limited.
|Integrated Ikegami and Utsunomiya factories.
|Added Techno Ikegami Company Limited to the scope of consolidation.
|Transferred the production functions of some products from Utsunomiya Product Center to Techno Ikegami Company Limited.
|Established Ikegami Electronics Asia Pacific Private Limited in Singapore.