About

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We are a company that manufactures products suitable for living spaces in tune with the times.

Our business is to create products and services that meet the needs of our customers with our industry-leading techniques and decades worth of knowledge. We handle more than 120 custom-made products (OEM and original products) per year.

In this age of overconsumption, we put people, culture, and connection in our core values. We want to make something that our customers treasure and love. Our spirit of craftmanship trandscends time. We will always take on new challenges and contribute to society.


  • Company Name
    SEKISEIKOHSAN CO., LTD.
  • Location of offices
    Head office:
    3-257 Amamigado, Matsubara, Osaka 580-0026, Japan
    Phone: +81-72-331-7828
    Fax: +81-72-335-7327

    Tokyo Office:
    Midori.so 5F, 2-5-3 Hirakawacho, Chiyoda-ku, Tokyo 102-0093, Japan
    Phone: +81-3-4405-2189

    Tachikawa Factory:
    1880-1 Amema, Akiruno, Tokyo 197-0825, Japan
    Phone: +81-42-558-8611
    Fax: +81-42-559-5436
  • Established
    May 23, 1968
  • Paid-in capital
    10 million yen
  • Line of Business
    OEM manufacturing of albums, files, binders, clipboards, etc.
    Manufacturing of original office supplies and stationery
  • Board of Directors
    CEO Masao Nishikawa
    COO Machiko Yoshida
    General Manager Tetsuya Katsume
    Director Koji Sato
    Director Motochika Yasuda
    Director Yuri Yoshida
  • Number of employees
    25
  • Affiliated companies
    SEKISEI CO., LTD
    SEDIA SERVICE CO.,LTD

Since founding, we have worked to improve the quality of our products and services, and in 2000, we acquired ISO9001 certification, an international standard for quality management systems. We will continue to strive to achieve customer satisfaction by further improving quality management in line with ISO9001 and customer requirements.

JSA
  • 1968
    Established and launched as an independent division of the Manufacturing Department of SEKISEI CO., LTD
    Seiichiro Nishikawa becomes the first CEO
  • 1974
    Matsubara Distribution Center completed
  • 1983
    Production of 5-volume set albums begins
  • 1988
    Haruko Nishikawa appointed as CEO
  • 2000
    ISO 9001 certification acquired
  • 2004
    Masao Nishikawa appointed as CEO
  • 2012
    SEDIA SERVICE CO.,LTD
  • 2023
    Tachikawa Factory established, acquired album and binder manufacturing from Sansui Enginnering & Construction Co. Ltd