| 1994-04 |
資本金300万円で有限会社シーメイトを広島市中区光南町に設立 |
| 1994-04 |
Established private company SEAMATE in Kounan-cho, Naka-ku, Hiroshima city with capital of 3 million JPY. |
| 1995-03 |
広島市中区大手町に移転 |
| 1995-03 |
Relocated office to Ohte-machi, Naka-ku, Hiroshima city. |
| 1995-09 |
シーメイト上海事務所を開設 |
| 1995-09 |
Opened Shanghai Office. |
| 1996-06 |
中国地区造船協議会加盟の8社より鋼製扉を受注 |
| 1996-06 |
Obtained orders for Steel Door from 8 member companies of Chugoku District Shipbuilding Association. |
| 1996-08 |
株式会社に組織変更、資本金を1,000万円とする |
| 1996-08 |
Reorganized into joint-stock corporation. Stated capital 10 million JPY. |
| 1996-10 |
中国で初めて製造したNK船級の主空気槽を常石造船セブの1番船に納入 |
| 1996-10 |
Delivered NK classed main air reservoir first made in China for the first vessel of Tsuneishi (Cebu). |
| 1996-12 |
資本金を1,700万円に増資 |
| 1996-12 |
Increased capital to 17 million JPY. |
| 1997-03 |
黄山船舶配件有限公司（艤装品工場）の総代理店となる |
| 1997-03 |
Accepted sole agency of Huangshan Marine Fitting Factory. |
| 1997-10 |
靖江錨鏈厂のアンカーチェーンを常石造船セブ工場に納入 |
| 1997-10 |
Delivered anchor chain of Jingjiang Anchor Chain Factory to Tsuneishi (Cebu). |
| 1999-02 |
本社を広島市西区中広町に移転 |
| 1999-02 |
Relocated head office to 1-4-20, Nakahirocho, Nishi-ku, Hiroshima city. |
| 1999-12 |
ASIAN STAR ANCHOR CHAIN（靖江錨鏈厂）の総代理店となる |
| 1999-12 |
Made an agreement for sole agency with Jiangsu Asian Star Anchor Chain Co., Ltd. |
| 2000-02 |
中国、南通市に南通昭和機械有限公司を設立（昭和産業株式会社と共同出資） |
| 2000-02 |
Established Nantong Showa Machinery Co., Ltd. in Nantong city, China. |
| 2003-07 |
静電容量式浸水警報システムを開発し、販売開始 |
| 2003-07 |
ベトナム、ハイフォン市にOSTを設立（株式会社岡本鉄工と共同出資）※2013年3月に資本関係は解消 |
| 2003-07 |
Developed and started shipment of electrostatic capacity type Water Ingress Alarm System. |
| 2003-07 |
Established joint company OST in Hai-phong, Vietnam. Dissolved the capital tie-up in March, 2013. |
| 2004-01 |
静電容量式浸水警報システムに対する主要船級の型式承認を取得 |
| 2004-01 |
Obtained type approval for electrostatic capacity type Water Ingress Alarm System from major classification societies. |
| 2005-01 |
イマーションスーツのMED CEマーク（舵輪マーク）を取得 |
| 2005-01 |
Obtained MED CE mark for Immersion Suit. |
| 2006-01 |
カーゴホールド点検梯子の開発、販売開始 |
| 2006-01 |
Started sale of Cargo Hold Inspection Ladder. |
| 2008-04 |
本社社屋を広島市西区中広町一丁目 20-16 に新築移転 |
| 2008-04 |
Moved to new-built head office in 1-20-16, Nakahirocho, Nishi-ku, Hiroshima city. |
| 2010-02 |
膨張式救命いかだのメンテナンス事業を㈱シップガードと共に海外展開開始 |
| 2010-02 |
Started overseas deployment of maintenance service for inflatable liferaft together with Ship Guard Inc. |
| 2012-04 |
既存船向け居眠り防止装置（BNWAS）を開発、販売開始 |
| 2012-04 |
Developed and started distribution of BNWAS for existing vessels. |
| 2012-08 |
ISO9001をDNVより取得 |
| 2012-08 |
Took out ISO9001 certification from DNV GL. |
| 2012-10 |
膨張式救命いかだ等の水圧式自動離脱装置（HRU）を開発、販売開始 |
| 2012-10 |
Developed and started distribution of Hydrostatic Release Unit for liferaft etc. |
| 2013-01 |
浸水警報装置及び居眠り防止装置でMED承認取得 |
| 2013-01 |
Took out MED certification for Water Ingress Alarm System and BNWAS. |
| 2013-04 |
M&Aにより株式会社カシワテックのグループに入る |
| 2013-04 |
Was affiliated with Kashiwa Co., Ltd. by M&A. |
| 2015-10 |
消防員装具用防爆トランシーバーを開発、販売開始 |
| 2015-10 |
Developed and started selling explosion-proof transceiver for firefighter appliances. |
| 2020-03 |
取り扱いアンカーチェーン・アンカーについて一般財団法人港湾空港総合技術センター（SCOPE）の外国産資材品質審査証明書を取得 |
| 2020-03 |
Our anchors and chains have received overseas materials quality inspection certification from the Specialists Center of Port and Airport Engineering (SCOPE). |
| 2020-11 |
浮漁礁用アンカーチェーン・アンカーを初納入 |
| 2020-11 |
First delivery of anchor chains and anchors for floating reef fishing. |
| 2024-04 |
国土交通省の型式承認を取得した自動離脱装置（HRU）・ウィークリンクの販売開始 |
| 2024-04 |
Start of sales of hydrostatic release units (HRU) and weak links approved by the Ministry of Land, Infrastructure, Transport and Tourism. |
