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Media Coverage

We would like to introduce some of the media appearances of Hajime Shirasaka, our representative patent attorney.



■Kanto Regional Invention Awards Invention Encouragement Award

Patent attorneys Shirasaka and Harima received the Invention Encouragement Award at the Kanto Regional Invention Awards.

The invention is the world's first software implementation of claim charts, which are commonly used in the world of intellectual property.

As a patent attorney, I feel embarrassed that I received this award as an inventor, but I believe that in my future career as a patent attorney, I must be aware of my position and do what I can to help the world.

​→Click here for award information


■Won the 4th “JEITA Venture Award”

On March 26, 2019, the three winning companies of the 4th JEITA Venture Award were decided.AI Samurai Co., Ltd. received the award.

​→Click here for award information


■“AI Samurai®” product design won the Good Design Award in 2019

AI Samurai®, a patent evaluation AI system developed and sold by AI Samurai Co., Ltd. (Headquarters: Chiyoda-ku, Tokyo, President and Representative Director Hajime Shirasaka), has been selected for the 2019 Good Design Award. The interface and UX design received high praise.

​→Award details: Official website URL



■ Nihon Keizai Shimbun “Intellectual Property Insurance for Patent Litigation AI Samurai Jointly with Mitsui Sumitomo Insurance”

September 19, 2022
AI Samurai (Chiyoda, Tokyo), which provides patent analysis and document preparation support using artificial intelligence (AI), will jointly provide “intellectual property insurance” in preparation for intellectual property-related litigation from October in collaboration with Mitsui Sumitomo Insurance. start. If you apply for a patent using the company's service, you will be compensated for a portion of the legal costs for free.

Intellectual property insurance covers part of the costs incurred in litigation, such as when a company becomes a defendant in a patent lawsuit. Although it is handled by multiple insurance companies, AI Sam...

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■ Nihon Keizai Shimbun “Intellectual property AI, certified as 'legal' for application document preparation” as a helper for companies

August 18, 2022
An increasing number of companies are introducing services that utilize artificial intelligence (AI) in the field of intellectual property. Application work is streamlined and can be used without specialized knowledge. There were concerns about the legality of the service, but one of the reasons was that the Ministry of Economy, Trade and Industry decided in February that some services were legal. The increasing speed of technological innovation and the increasing importance of intellectual property strategies are also driving the introduction.

We can't just wait for the product to go on sale because we can't file a patent application in time.” Rohto PharmaceuticalIntellectual Property and Licensing Strategy Dept....

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■ Nihon Keizai Shimbun “Success or failure of patent establishment, start-up AI is a precise judge”

August 20, 2022

As global competition over intellectual property intensifies, startups are becoming escorts for major companies. We provide services using artificial intelligence (AI) to significantly reduce the complex work involved in patent applications. Since it is possible to search for competing patents without specialized knowledge, even non-technical engineers are starting to use it. Some startups provide back-up support for management through systems that can objectively judge the value of internal and external patents. We have entered an era in which digital technology determines the outcome of the patent war...

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■ Nihon Keizai Shimbun “Corona measures, citizen gathering”

May 14, 2020
The Nikkei Shimbun introduced an initiative to solicit ideas for countermeasures against the new coronavirus infection at an online seminar as a citizen-participation type “Citizen Science”. In this seminar, InnoHub advisor Hajime Shirasaka will evaluate the submitted ideas from a patent perspective. In addition, for ideas that are evaluated as patentable, it is possible to utilize cooperation with experts such as InnoHub advisors and business companies, and receive support through the InnoHub network for practical application. was.

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■Keep it alive! Intellectual Property Business “Learning Search Function in Evaluation System”

September 17, 2019

AI Samurai (Chiyoda-ku, Tokyo) aims to popularize the patented system “AI Samurai” that incorporates functions developed using artificial intelligence (AI) technology. We interviewed President Hajime Shirasaka, who was about to hold a press conference for the official version on the 26th of this month.

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■ Nihon Keizai Shimbun “Number of M&As in Kansai, up 10% year-on-year to a record high, expansion of start-up investment”

March 9, 2019

Kansai companies are active in M&A (mergers, acquisitions, capital participation). In 2018, the number of cases increased by 10% from the previous year to 486, the highest ever. Industry-academia collaboration progressed, and university-launched venture capital (VC) expanded startup investment in the fields of information and communications and electronics. Many companies aim to develop overseas markets.

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■ Nihon Keizai Shimbun “Utilizing research results of Osaka University, pre-diagnosis of possibility of patent approval AI startup new service”

February 20, 2019

Startup AI Samurai (formerly Gold IP, Chiyoda, Tokyo) will provide a patent diagnosis service using artificial intelligence (AI) that utilizes the research results of Osaka University in June. Instantly determine the likelihood that the technology you apply for will pass the review. It also incorporates a function to personify and display the novelty of the technology so that you can grasp the strengths of your company's technology.

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■Weekly Economist: Featured in the February 2019 issue.

Weekly Economist, “Evolving Patent Attorney AI Samurai! ?” was published under the title.
 →Click the image to view the article

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■SME Kanagawa No. 212 “Turning Point – Changing Destiny! [vol.05] Hajime Shirasaka contributes an article.

November 2018
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■ Nihon Keizai Shimbun “Patent Examination, Guide to Ease of AI Passage Gold IP”

October 31, 2018

Gold IP (Chiyoda, Tokyo, President: Hajime Shirasaka), which develops “IP Samurai,” which uses artificial intelligence (AI) to diagnose the content of patent applications, will start offering a Japanese version in November. Until now, we only dealt with English patents, which have a large number of cases. Aiming for new contracts with 15 major companies by responding to Japanese patents. Recently, 350 million yen was raised from Osaka University Venture Capital (VC).

IP Samurai describes the content of the invention item by item...

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■ Nihon Keizai Shimbun “GoldIP, simulation of patent examination with AI”

December 19, 2017

Gold IP (Chiyoda, Tokyo, President: Hajime Shirasaka), an intellectual property business, has developed software that can simulate patent examinations using artificial intelligence (AI). Available at the end of 2018. When the content of the invention is entered in the form of sentences, the newness of the invention is analyzed by comparing it with the content of past applications in the U.S. Patent Office's document database and whether or not it has passed examination. It is expected that the cost of filing a patent application, which used to be about 750,000 to 1 million yen, will be reduced by about 300,000 yen.

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■Shincho 45: January 2018 issue “Can AI become a copyright holder?” Hajime Shirasaka contributes an article.


■Shincho 45: August 2017 issue “Understanding the decline of Toshiba and Sharp from “patents””


■ Nihon Keizai Shimbun “Gold IP Raises Over 100 Million Yen”

March 20, 2017

Gold IP (Chiyoda, Tokyo, President Hajime Shirasaka), which provides support for overseas applications for intellectual property,toyota motor ”Miraiso...

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■ Responses to Notification of Reasons for Refusal -Basics, Examples of Responses, Domestic and International Comparisons-

March 28, 2010

Hajime ShirasakaI am involved as one of the authors. A must-see book for those in charge of patent applications and intellectual property!

   →read more



■ IP BASE channel

“I Asked Mr. Shirasaka, AI Startup President and Patent Attorney”


Hajime Shirasaka will appear as a special guest on the IP BASE channel. He talked about the job content of a patent attorney, the reason why he wanted to become a patent attorney, and the background to launching a startup.

■ IP BASE channel

“What is the 'rule of manga artists' that you should pay attention to when starting a startup?”


How should startup managers meet patent attorneys? And what should we consult? He talked about his work as a patent attorney facing startups, and the “rules of cartoonists” that are important in starting a startup.

■ IP BASE channel

“If you start a business, you should take the brand = trademark first!”


Hajime Shirasaka, who works as a startup manager while receiving consultations as a patent attorney, talked about the difficulty of balancing work as a patent attorney and president.  

■ IP  BASE Study Group

“Until a Patent Attorney at a Patent Office Raises Funds and Runs an AI Development Venture”


Hajime Shirasaka, a patent attorney, talked about how he raised funds, became a university-launched venture, and developed and released an AI patent search system.
*This video is an excerpt from the study session for IP BASE members held on Thursday, September 2nd.


■NHKBS1 “NEXT JAPAN ~ Passionate Seeker”

April 23, 2022

I appeared on "NEXT JAPAN - Passionate Seeker" on MBS Mainichi Broadcasting.
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■NHKBS1 “NHK World Japan”

May 5, 2021

Harima Patent Attorney appeared on TOKYO EYE 2020 “'Inspiration' to Survive the Corona Disaster” 101 World Edition of NHK BS1.

■Fuji TV “Live News It!”

January 12, 2021

Patent attorney Shirasaka appears as an intellectual property expert in a report on an incident involving the illegal removal of trade secrets

■TV Osaka “Miraiya”

October 17, 2020

The invention of a girl who participated in Invention Terakoya, which our office is working on together with AI Samurai Co., Ltd., was featured as an invention with an A rank of invention evaluation.

I wish more children's inventions could be used as intellectual property in the world.

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■Fuji TV “Live News It!”

June 10, 2020

We worked on the initiative of Invention Terakoya. Harima Patent Attorney explains. This is an initiative to use AI to brush up children's ideas and overcome the new coronavirus crisis.

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■Fuji TV “Hirunandesu”

November 7, 2019

We were introduced as a patent office in the Otemachi Building (60 years old).

■Fuji TV “Prime News Evening”

June 1, 2018

Patent attorney Shirasaka commented from the perspective of intellectual property regarding the issue between singer Kami Hirose and her agency regarding the right to use her stage name.

■Fuji TV “Minna no News”

September 27, 2017

Starting in April 2013, trademarks such as color only and sound will be recognized, and the sound trademark of Seirogan, which is familiar from the trumpet mark, has been recognized.

Patent Attorney Shirasaka appeared and commented on this sound trademark matter.

■Fuji TV “Minna no News”

January 27, 2017

Shirasaka commented from the perspective of intellectual property regarding the issue of an unrelated third party filing a trademark application for comedian Piko Taro's performance ``PPAP.''

■Fuji TV “Houdou Kyoku”

November 6, 2016

Patent attorney Shirasaka, who represented the smartphone app LINE, commented on LINE's internal system and the IT industry's human resources shortage from his perspective.

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