A R T Z
PATENT & TRADEMARK OFFICE

Our firm's name "ARTZ" is a term coined from "art".
This name reflects our philosophy and mission - grasping what our clients really want and conveying a sense of "art" and expertise in our professional services.

Our firm's logo is a combination of two facing chairs.  The logo delivers our commitment to face-to-face communication with our clients.

We will give our clients the best service experience.

OVERVIEW
Name

ARTZ Patent & Trademark Office

Address

8F Humax Ebisu Bldg. 1-1-1
Ebisu Minami, Shibuya-ku,
Tokyo 150-0022 Japan

Phone +81-3-4590-7903

Established April 2019

Representative Yasuhiro Yokota

Address

10F Ebisu Business Tower 1-19-19
Ebisu, Shibuya-ku, Tokyo 150-0013 Japan

SERVICES

Domestic 
applications

Patent, utility model, design and trademark procedures from application to registration (e.g., preparing specifications and responding to office actions)

International applications

PCT applications, applications claiming priority under the Paris Convention, trademark applications under the Madrid Protocol, etc.

Consulting

Helping find invention ideas, giving advice on application strategies, etc.

Appeals/Trials

Trials against examiner's decision of refusal, trials for patent invalidation, post-grant oppositions, etc.

Litigations

Litigations rescinding a trial decision, infringement litigations, etc.

Other services

Opinions, patent and trademark searches

Domestic 
applications

Patent, utility model, design and trademark procedures from application to registration (e.g., preparing specifications and responding to office actions)

REPRESENTATIVE PATENT ATTORNEY

Yasuhiro Yokota
Patent attorney

1998

Graduated from Faculty of Science and Technology, Keio University
2000

Obtained Master's Degree, Graduate School of Science and Technology, Keio University

2000

Joined The Procter&Gamble Company of Japan Limited
(involved in industrial technologies including development of paper diapers)
2003

Joined Asamura Patent Office
(mainly responsible for foreign-to-domestic applications and foreign appeals and trials)
2009

Joined Serio Patent & Trademark Attorneys
(mainly responsible for domestic applications)
2019

Founded ARTZ Patent & Trademark Office
2000

Obtained Master's Degree, Graduate School of Science and Technology, Keio University

Areas of expertise

Mechanics

Devices, mechanical components, electronic components

Electronics

Control, mechatronics, software

Electronics

Control, mechatronics, software

Hobbies

Triathlon

Completed the Miyakojima Triathlon twice

Marathon

Failed the lottery for the Tokyo Marathon THIRTEEN CONSECUTIVE YEARS

Reading

Toyoko Yamazaki, Jun Ikeido, Akira Yoshimura etc.

Marathon

Failed the lottery for the Tokyo Marathon THIRTEEN CONSECUTIVE YEARS

ATTORNEYS

Tomoyuki TSURUME


1990 Graduated from Faculty of Law,Hosei University
1990 Joined Engineering Fuji Limited
2003 Joined ONO & COMPANY Patent Office
2023 Joined ARTZ Patent & Trademark Attorneys

RELATED TECHNOLOGIES
Trademarks, Designs, Chemical Engineering and Materials Science

Takahiko SUNADA


2004 Graduated from Faculty of Science and Technology, Tokyo University of Sicence
2006 Obtained Master's Degree, Graduate School of Science and Technology, Tokyo University of Sicence
2006 Joined Serio Patent & Trademark Attorneys
2022 Joined ARTZ Patent & Trademark Attorneys

RELATED TECHNOLOGIES
Mechanical Engineering, Civil Engineering, Electrical Engineering and Software

Hideyuki MITO


1997 Graduated from Faculty of Science,Hiroshima University
1999 Obtained Master's Degree,Graduate School of Science, Yamaguchi University
2019 Joined IPX Patent Partners
2024 Joined ARTZ Patent & Trademark Attorneys

RELATED TECHNOLOGIES
Information Engineering, Electrical Engineering and Software

Youhei UCHIDA


2003 Graduated from College of Industrial Technology, Nihon University
2003 Joined Financial Institution
2023 Joined ARTZ Patent & Trademark Attorneys

RELATED TECHNOLOGIES
Chemistry, Chemical Engineering,and Agriculture Science

ACCESS

ARTZ Patent & Trademark Office

Phone: +81-3-4590-7903

Access: 1 minute on foot from Ebisu station of JR Yamanote line and 1 minute on foot from that of Tokyo Metro Hibiya line

CONTACT

For any inquiry, please fill out the form below and click Submit button.

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