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いざなぎ国際特許事務所

OUR OFFICE

Office name IZANAGI IP LAW FIRM
Address Toa-Bldg., 12th Floor, 4-5-7 Minamihonmachi Chuo-ku, Osaka-shi, Osaka 541-0054 JAPAN
Tel +81-6-6282-7405
Facsimile +81-6-6282-7406
URL http://www.izapat.com
E-mail

Our office is located in the heart of Osaka city.

★1 minute walk from No.18 Exit or 2 minute walk from No.8 Exit at “Honmachi” Station, if you take Midosuji subway Line.
★2 minute walk from No.19 Exit at “Honmachi” Station, if you take Yotsubashi subway Line.
★1 minute walk from No.18 Exit at ”Honmachi” Station, if you take Chuo subway Line.

OUR ATTORNEYS

Tsutomu YOSHIMOTO

Tsutomu YOSHIMOTO

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Masato SHINTAKU

Masato SHINTAKU

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Masaki NAKAI

Masaki NAKAI

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Masato SHINTAKU

Masato SHINTAKU

Patent attorney, authorized to represent in IP infringement litigations

 Masato Shintaku has been engaged in preparing patent applications, performing searches and developing strategies against third parties’ patents at an R&D section of a chemical company. He started to work in IP Law firm in 2007. In 2011, he completed a Summer Patent Seminar at Birch, Stewart, Kolasch & Birch LLP (USA)
 He mainly handles patent prosecutions for Japanese domestic and foreign applications relating chemistry, optics and mechanics. He is also responsible for expert opinion, opposition and invalidation trail for Japanese and foreign patent cases.

Carrier

Graduated from Department of Industrial Chemistry, Faculty of Engineering, Kyoto University (1999)
Obtained master degree in molecular engineering, Graduate School of Engineering, Kyoto University (2001)
Engaged in R&D division at KANEKA Corporation (2001-2007)
Passed the Japanese patent bar examination (2006)
Worked for an IP Law firm (2007-2011)
Established IZANAGI IP LAW FIRM (2011)

Specialized technical field

physical chemistry, polymer chemistry, optical material, optical device, film formation and protein science

Publications

Shintaku, M. et. al., 2005. Absence of a Detectable Intermediate in the Compound I Formation of Horseradish Peroxidase at Ambient Temperature. J. Biol. Chem., 280, 40934–40938.
Ihara, M. et. al., 2001. Conversion of an Electron-Transfer Protein into an Oxygen Binding Protein: The Axial Cytochrome b5 Mutant with an Unusually High O2 Affinity. J. Am. Chem. Soc., 122, 11535-11536

Membership

Japan Patent Attorneys Association (JPAA)
Asian Patent Attorneys Association (APAA)

Language

Japanese, English

Tsutomu YOSHIMOTO

Tsutomu YOSHIMOTO

Patent attorney, authorized to represent IP infringement litigations

 Tsutomu YOSHIMOTO is in charge of patent prosecutions for Japanese domestic and foreign applications in the fields of mechanical and electronic engineering.
 He is also in charge of trademark and design rights prosecutions. In addition, he is responsible for expert opinion, invalidation trial, suits against appeal decisions and infringement lawsuits.

Carrier

Graduated from Department of mechanical engineering, Division of mechanical, materials and manufacturing science, Osaka University (2000)
Worked for other IP Law firms (2000-2011)
Passed the Japanese patent bar examination (2005)
Established IZANAGI IP LAW FIRM (2011)

Specialized technical field

mechanical engineering, control engineering and software

Qualification

Fundamental Information Technology Engineer certified by Information-technology Promotion Agency, Japan

Membership

Japan Patent Attorneys Association (JPAA)
Asian Patent Attorneys Association (APAA)

Language

Japanese, English

Masaki NAKAI

Masaki NAKAI

Patent attorney

 Masaki NAKAI is in charge of patent prosecutions for Japanese domestic and foreign applications in the fields of mechanical and electronic engineering.

Carrier

Graduated from Course of civil engineering, Department of social development engineering, Nagoya Institute of Technology (2003)
Worked for other IP Law firms (2003-2006, 2013-2015)
Worked for other companies (2006-2013)
Passed the Japanese patent bar examination (2013)
Joined IZANAGI IP LAW FIRM (2015)

Specialized technical field

mechanical engineering and control engineering

Qualification

Applied Information Technology Engineer certified by Information-technology Promotion Agency, Japan

Membership

Japan Patent Attorneys Association (JPAA)

Language

Japanese, English

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