Riverflow International Patent Firm

About Us

RIVERFLOW international patent firm was founded in 2006.
Our goal is to establish best IP performance to clients through representing IP procedures before the Patent Office as well as being a good partner of the clients to lead best IP solution.
Our team including well experienced patent attorneys provides professional services that would strengthen your IP strategy in Japan.

Location

3rd Fl., Center Crest bldg.
2-2, Kanda Ogawamachi, Chiyoda-ku,
Tokyo 1010052 JAPAN
TEL.+81-3-6821-7605 / FAX.+81-3-6821-7625

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Our Partners

Yasushi Kuroda/ Partner, Patent Attorney

Practice Areas: Patent Counseling, Patent Prosecution, IP Due Diligence, Technology Transactions, Patent Dispute

Technology Areas: Information technology, CG & image processing, Communication technology, Railway technology

Overview: Mr. Kuroda has more than 25 years' professional experience. He started his carrier at Mitsubishi heavy industries, Ltd. as an engineer.
His practice involves prosecuting patent applications at the Japan Patent Office and foreign counties.
He is entitled to represent patent dispute before the court, and thus handles oppositions/appeals as well as patent infringement cases.
He founded Riverflow in 2006 with other partners.

Education: Waseda University (M.S. Faculty of electrical engineering 1994)
Waseda University (B.S. Faculty of electrical engineering 1992)

Publications: "Essence of patent filing practice" (Japanese only), Seibunsya (2006, 2009(revised edition))

Hiroaki Nishikawa/ Partner, Patent Attorney

Practice Areas: Patent Counseling, Patent Prosecution, IP Due Diligence, Technology Transactions, and Patent Dispute

Technology Areas: Semiconductor circuit, Semiconductor device, Sensor, Software, Machine learning, Image processing, Liquid crystal display, Microcomputer, Apparatus control, and Communication technology

Overview: Mr. Nishikawa has more than 15 years' professional experience. He started his carrier at Asahi Kasei Microdevices Corporation as an engineer, researching and developing IC. His practice involves prosecuting patent applications at the Japan Patent Office and foreign counties.
He is entitled to represent patent dispute before the court, and thus handles oppositions/appeals as well as patent infringement cases.
He joined Riverflow in 2007 and became a partner in 2023.

Education: Kyoto University (M.S. Physics 2002)
Kyoto University (B.S. Physics 2000)

Hajime Inoue/ Partner, Patent Attorney

Practice Areas: Patent Counseling, Patent Prosecution, IP Due Diligence, Technology Transactions, Patent Dispute

Technology Areas: Mechanical technology, Semiconductor circuit & process, Nano technology

Overview: Mr. Inoue has more than 45 years' professional experience.
He has contributed to education of intellectual property as a Committee member of the Intellectual Property Management Skills Test and as a visiting professor of the Graduate School for Management of Technology of the Nippon Institute of Technology.
He is a registered potential panelist of Advisory Opinion on Operability (AOO) and a registered potential assessor of Contribution Assessment of Patents to Business of the Japan Intellectual Property Arbitration Center (JIPAC).
He served as the vice-president of the Japan Patent Attorney Association in 2004.
He started his carrier at Audio and radio company as an engineer.
His practice involves prosecuting patent applications at the Japan Patent Office and foreign counties.
He is entitled to represent patent dispute before the court, and thus handles oppositions/appeals as well as patent infringement cases.
He provides opinions standing on world-wide system by recognizing foreign patent systems by joining BSKB summer seminar in 2000.
He founded Riverflow in 2006 with other partners.

Education: Kanazawa University (B.S. Mechanical engineering 1977)