| 1956-05 |
Established in Nishi-ku, Osaka by Kohei Kamiya to sale electric equipment and parts for ships. |
| 1956-05 |
極洋電気商会創業 |
| 1964-09 |
Company moved to its present location. |
| 1964-09 |
社屋を新築移転 |
| 1966-06 |
Reorganized as a limited company with a capital of JPY 2,000,000. |
| 1966-06 |
株式会社に組織変更、資本金200万円（6月6日） |
| 1971-09 |
Purchased an office and storehouse in Nishi-ku, Osaka. |
| 1971-09 |
同町内に事務所及び倉庫を購入 |
| 1973-08 |
Increased the capital JPY 4,000,000. |
| 1973-08 |
資本金400万円に増資 |
| 1974-08 |
Purchased a larger storehouse in Nishi-ku, Osaka. |
| 1974-08 |
同町内に大型倉庫を購入 |
| 1974-12 |
Established Kyokko Electric Works to produce jointbox, electric power supply panel and etc. |
| 1981-05 |
New main office completed in Nishi-ku, Osaka. |
| 1981-05 |
本社社屋新築 |
| 1981-08 |
Storehouse rebuilt for expand capacity of accommodation. |
| 1981-08 |
倉庫改築、収容能力の増大を図る |
| 1986-05 |
Introduced computer system. |
| 1986-05 |
コンピュータシステムを導入 |
| 1990-05 |
Increased the capital JPY 10,000,000. |
| 1990-05 |
資本金1,000万円に増資 |
| 2001-11 |
Tokyo office opened in Chuo-ku, Tokyo. |
| 2001-11 |
東京営業所開設（東京都中央区） |
| 2011-01 |
Acquired ISO 9001: 2008 / ISO 14001: 2004 certification. |
| 2011-01 |
ISO9001:2008/ISO14001:2004の認証を取得 |
| 2014-05 |
Developed "smart digital tuner" (Japan model). |
| 2014-05 |
スマートデジタルチューナー（日本モデル）を開発 |
| 2014-06 |
Developed onboard recording system which integrate various information including camera images. |
| 2014-06 |
監視カメラ映像やその他船内情報を統合して記録する船内情報記録システムを開発 |
| 2015-05 |
Developed "smart digital tuner · world wide" (worldwide model). |
| 2015-05 |
スマートデジタルチューナー・ワールドワイド（全世界対応モデル）を開発 |
| 2016-10 |
Acquired ISO 9001 / ISO 14001: 2015 certification. |
| 2016-10 |
ISO9001/ISO14001:2015の認証を取得 |
| 2017-07 |
Renewal of head office building with off-the-grid system as a measure against disaster. |
| 2017-07 |
BCP対策としてのオフグリッドシステムを導入した本社社屋を新築 |
| 2018-09 |
Changed account closing date to September 30. |
| 2018-09 |
決算期を9月30日に変更 |
| 2021-03 |
Tokyo satellite office opened (Minato-ku, Tokyo) |
| 2021-03 |
東京サテライトオフィス開設（港区） |
