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S&I International Bangkok Office Company Limited

Product / Service We Provide

Nature of Business

1. Applications for Patents, Petty Patents, Design, Trademarks, and Copyrights in Thailand and overseas
2. Litigation against IP Infringement and Counterfeitings;
3. Searchs, Advice, Supports and Consultants on Intellectual Property Matters.


  • International Trademark Association (INTA)
  • Licensing Executive Society of Japan (LES)
  • Japan Patent Attorneys Association (JPAA)
  • International Association for the Protection of Industrial Property (AIPPI)
  • Asian Patent Attorneys Association (APAA)
  • ASEAN Intellectual Property Association (ASEAN-IPA)
  • Japanese Chamber of Commerce in Bangkok (JCCB)
  • Intellectual Property Association of Thailand (IPAT)
  • Intellectual Property Promotion Association of Thailand (IPPAT)

Year Established


No. Of Employees

  • 60

Factory / Branches / Other Facilities

  1. Branch
    S&I Japan
    2nd Floor, Le-Ciel Aoyama, 3-8-6, Minami Aoyama, Minato-ku
    Tokyo, Tokyo, Japan

Major Customers / Project History

  • Lion Co., Ltd
  • Asahi Kasei Corporation
  • JIII (Japan Institute of Invention and Innovation)
  • Matsushita Electric Works Co., Ltd
  • Sanyo Electric Co., Ltd
  • Thai Yamaha Motor Co., Ltd
  • Unicharm Co., Ltd
  • Toyota Motor Corporation
  • Toshiba Co., Ltd
  • Sumitomo Chemical Co., Ltd
  • Mitsui Chemical Co., Ltd
  • JETRO (Japan External Trade Organization)
  • Mitsubishi Rayon Co., Ltd
  • Hitachi Co.,Ltd
  • Matsushita Electric Industrial Co., Ltd
  • Ajinomoto Inc
  • Casio Computer Co., Ltd

Key Persons

President - Masafumi Iguchi

Company Background

The firm was founded in 1996 by Mr. Masafumi Iguchi, who is a former Patent Examiner, Patent Appeal Board Examiner of Japanese Patent Office and a JICA Expert in the government of Thailand.


  • Krung Thai Bank
  • Bank of Tokyo-Mitsubishi UFJ (Bangkok) Branch

Market(s) Established

  • United States
  • India
  • Thailand
  • Singapore
  • Malaysia
  • Philippines
  • Vietnam
  • Indonesia
  • 253 Asoke, 23rd Floor, Sukhumvit 21 Road, North Klongtoey, Wattana
    Bangkok, Bangkok, 10110, Thailand
  • +66 (0)2 2616449
  • +66 (0)2 2616419
  • Distributor Required
  • Partnership Required
  • Looking to Sell
  • Looking to Buy