Patent Attorney Profile

Managing Patent Attorney

Yoshihiro KAMIMURA

Managing Patent Attorney

Yoshihiro KAMIMURA

Career

1994
Graduated from the Department of Production Engineering, Faculty of Engineering, Yokohama National University.
1994–
 2009
Worked at Kyushu Matsushita Electric Co., Ltd. (currently Panasonic Connect Co., Ltd.).
— Engaged in the design and development of fax machines, including housings, drive systems, and paper transport systems, for approximately 10.5 years.
— Gained extensive hands-on experience not only in product design using 2D and 3D CAD, but also in launching products for mass production at manufacturing sites involving the actual machining and fabrication of resin and metal parts, as well as assembly operations.
2009–
 2015

Worked at Sugimura & Partners.
— Handled a wide range of domestic and international patent matters, mainly in the fields of mechanical engineering and mechatronics, including patent applications, prosecution, patent opinions, and invalidation proceedings.
— Passed the Specific Infringement Litigation Representation Examination in 2010.

Representative technical fields included medical devices, containers, production equipment, tires, and transmissions.

2015–
 Present

Established Soramame IP Firm in Urawa-ku, Saitama City.

Approximately 2,000 Japanese patent matters handled to date, based on the number of published applications in which he is listed as representative, as of August 2026.

Approximately 100 overseas patent matters handled to date, with multi-country matters counted as a single matter.


Patent Attorney

Mami AKIEDA

Patent Attorney

Mami AKIEDA

Career

Graduated from the Department of Civil Engineering, Faculty of Science and Engineering, Chuo University.
2014
Passed the Japanese Patent Attorney Examination.
2015–
 2020
Worked at Soei Patent & Law Firm.
— Mainly engaged in patent prosecution in the fields of mechanical engineering and structural technologies.
— Passed the Specific Infringement Litigation Representation Examination in 2016.
2021–
 Present
Partner Patent Attorney at LOBSTER Patent Professional Corporation.
2023–
 Present
Patent Attorney at Soramame IP Firm.

Patent Attorney

Hiroko YAMADA

Patent Attorney

Hiroko YAMADA

Career

2010
Passed the Japanese Patent Attorney Examination.
2011
Completed the Graduate School of Humanities and Sciences at Ochanomizu University.
2012–
 2024
— Worked at both large and boutique patent firms, mainly handling patent prosecution in the fields of mechanical engineering, structural technologies, and information technology for approximately nine years.
— Worked in the intellectual property departments of two major Japanese manufacturers for approximately three years, supporting research and development through the implementation of intellectual property strategies.
2025–
 Present
Patent Attorney at Soramame IP Firm.

Counsel Patent Attorney

Masaki AKATSUKA

Counsel Patent Attorney

Masaki AKATSUKA

Career

1993
Graduated from the Department of Industrial Chemistry, Faculty of Engineering, The University of Tokyo.
1995
Completed the Master’s Program in Chemical and Biological Engineering, Graduate School of Engineering, The University of Tokyo.
— Research and development of catalysts for synthesizing polymers with uniform molecular weight.
1995–
 2002
Worked at Hitachi Research Laboratory, Hitachi, Ltd.
— Engaged in research and development of various materials used in electrical and electronic equipment.
2003–
 2011
Worked at Wakaba International Patent Office.
— Registered as a Japanese patent attorney in 2006.
— Registered as qualified to represent clients in specified infringement litigation in 2008.
2011–
 Present
Managing Patent Attorney at Hinode International Patent Office.
2023–
 Present
Counsel Patent Attorney at Soramame IP Firm.