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  • HISTORY of OKAMOTO

HISTORYofOKAMOTO

Okamoto is constantly growing and looking towards the future.

Okamoto was formed from the merger of four companies:Nippon Gum Industries,Ltd., Riken Rubber Co.,Ltd.,and Okamoto Rubber Co., Ltd., with our present name being adopted shortly after the merger.  Okamoto is a cohesive and dynamic esterpise comprised of the ideas and techologies of each of the above companies.  More than 70 years since its foundation, after a long history in the 20th century Okamoto continues to grow by leaps and bounds in 21st century.

オカモトの歩み

タイムライン

オカモトの歩み

  • Okamoto
    Rubber co.,ltd.
    January 1934
    Established with capital of 50,000 yen at Togoshi-cho in Ebara-ku, Tokyo (currently Hiratsuka in Shinagawa-ku) as Nippon Gum Industries Co., Ltd., manufacturer of rubberized fabrics and raincoats.
  • Nippon Riken
    Rubber Co., Ltd.
    February 1958
    After merging with Riken Rubber Co., Ltd., the reborn company acquired the trading name Nippon Riken Rubber Co., Ltd. Capital 110 million yen.  Riken Rubber Co., Ltd headquarters and factory at Kamiya in Kita-ku became known as the “Tokyo factory.”
  • Okamoto Riken
    Rubber Co., Ltd.
    February 1968
    After merging with Okamoto Rubber Co., Ltd., the company changed its trading name once more to Okamoto Riken Rubber Co., Ltd.  Capital 1.99 billion yen.
  • Okamoto Industries, Inc. October 1985
    A further change of trading name saw Okamoto Riken Rubber Co., Ltd.  shortened to Okamoto Inc.

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年表

1934 January

The company was established with capital of 50,000 yen as Japan Rubber Industryin Tokyo.   We started manufacturing rubberized clothes and raincoats.

創業者、岡本巳之助・津下網平
Founders, Minosuke Okamoto and Amihei Tsuge

荏原本工場(昭和29年頃)
Ebara Factory (picture taken around 1954)

February

Started manufacturing and selling male Latex condoms as Okamoto Rubber Industries in Tokyo

岡本ゴム工業所時代
Okamoto Rubber Industries workers near the Factory in Mukojima.

戦後から現在に至る名品コンドームブランド「スキンレススキン」
Well known condom brand since postwar until present, "SKINLESS SKIN"

1943 July

The Ashikaga Factory began operation in Ashikaga-city, Tochigi Prefecture as a tank manufacturing plant.   After World War II, it was transformed to a shoe manufacturing plant.

足利工場
Ashikaga Factory

1949 July

Okamoto Rubber Industries was listed on the Tokyo Stock Exchange.

1958 February

Okamoto Rubber Industry merged with Riken Rubber Company Co., Ltd to form Nihon Riken Rubber Co., Ltd with a capital of 10 million yen.  The name of Head office and the factory in Kamiya-cho,Kita-ku, Tokyo was renamed "Tokyo factory".

August

Osaka office opened.

1960 April

Fukuoka office opened.

1961 June

Head office was relocated to Hongo, Bunkyo-ku Tokyo.

August

Kanagawa factory began operation and the manufacturing production lines of vinyl film / vinyl leather were moved there from the Tokyo factory.

竣工時の神奈川工場
Kanagawa Factory after completion of construction

October

As the Tokyo Stock Exchange second section market opened, we became a part of the first section of the Tokyo Stock Exchange market.

1963 September

Nagoya office opened.

October

Hong Kong office opened (now known as Okamoto Industries (H.K) LTD).

1964 April

Gunma factory opened in Ohta-city, Gunma-prefecture, and the manufacturing production lines of shoes were moved from the Ashikaga factory.

群馬工場開所式
Opening ceremony of Gunma Factory

1966 September

New head office was built.

1968 October

Merged with Okamoto Rubber Industry Co, LTD., and the trade name was changed to Okamoto Riken Rubber Inc.  The capital was 1.99 billion yen.

合併披露パーティーの様子
Merging celebration party

1970 April

Listed in the Osaka Securities Exchange part I market.

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