ISONO International Patent Office, P.C.

Protect the value and future
of “Intelligence”.

As intellectual property professionals,
we pursue optimal solutions and best practices to lead our clients to success.

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About Us

We provide customer-first intellectual property services using the knowledge and know-how we have developed over more than 50 years.

Since our founding in April 1967, we have maintained a customer-oriented approach to business operations and a focus on quality, with the motto of “pursuing optimal solutions and best practices to lead our clients to success.” We provide a wide range of services related to intellectual property rights, from applications for patents, utility models, designs, and trademarks to prosecutions, oppositions, and litigations.

Corporate ProfileAccess

ReasonWhy Isono?

  • Provide Reassurance

    Provide Reassurance

  • Thorough Management

    Thorough Management

  • Quality-oriented Approach

    Quality-oriented
    Approach

  • Customer-centric Care

    Customer-centric Care

  • Quick Response

    Quick Response

We believe that being a professional means “being able to do the best practice possible in line with the clients’ needs.”
We strive to improve the quality of our services from multiple perspectives and pursue contributions to our clients.

See Details

BusinessOur Services

Supporting a wide range of fields both domestically and internationally

Our services include filing and obtaining rights for patents, utility models, designs, and trademarks both domestically and internationally, as well as discovering inventions, conducting search, providing professional opinion, handling litigation and trials related to intellectual property rights, and providing intellectual property seminars.
With regards to patents and utility models, we handle a wide range of fields, including electrical engineering, information communications, AI, mechanical engineering, control, civil engineering, architecture, chemistry, materials, daily necessities, and food. If you have any concerns about intellectual property, please feel free to contact us.

Our Main Services
Patent, Utility ModelDesignTrademark
Search, Professional OpinionLitigation, TrialIntellectual Property Seminar
Main Technical Fields
(Patent)
Electrical Engineering, Information Communications, AIMechanical Engineering, ControlCivil Engineering, Architecture
Chemistry, MaterialsDaily Necessities, Foodetc.

If you have any questions or concerns,
please feel free to contact us.

TEL:+81-3-6333-0392

Business Hours 9:00-17:30 (Weekdays only)

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Privacy Policy

Handling of personal information

ISONO International Patent Office, P.C. (hereinafter referred to as "our firm") strives to protect the privacy of customers who use our website.

In order for our firm to provide our services, we must collect information about our customers (hereinafter referred to as "personal information"). However, our firm take various measures to protect privacy and maintain confidentiality.
We never buy, sell, exchange, or otherwise misuse personal information. In addition, our firm will respond to your requests to confirm, correct, or delete your personal information that you have provided.

  • 1. Purpose of collecting personal information

    The personal information collected from customers will be used for the following purposes:

    1. ・To confirm, provide or carry out related business regarding our products and services.
    2. ・To respond to customer inquiries.
  • 2. Disclosure of Personal Information

    In the following cases, our firm may disclose your personal information without your prior authorization.

    1. ・When requested by police, court, or other government agency through a subpoena, warrant, order, etc.
    2. ・When it is necessary to protect a person's life, body, or property, and it is difficult to obtain the customer's authorization.
  • 3. Management of Personal Information

    Our firm will take appropriate measures to prevent and correct unauthorized access to personal information, and the loss, leakage, destruction, or damage of personal information. In addition, if personal information is shared with a third party or the handling of personal information is entrusted to a third party, we will take appropriate measures and supervision to maintain confidentiality.

  • 4. Use of Google Analytics

    In order to provide better services and improve usability, this website uses Google Analytics to collect and analyze data such as the usage status of this website. In doing so, Google may collect information such as your IP address through "cookies," but the information collected by "cookies" cannot identify you as an individual.
    The collected data is governed by Google's privacy policy.
    By using this site, you authorize to the data processing carried out by Google and this site in the manner and for the purpose stated above.

    Google's Privacy Policy
    https://policies.google.com/privacy?hl=en
    https://policies.google.com/technologies/partner-sites?hl=en

ISONO International Patent Office, P.C.

2F, Ichibancho Tokyu Building, 21 Ichibancho, Chiyoda-ku, Tokyo 102-0082, JAPAN
TEL:+81-3-6333-0392