yuka yajima

Main field of practice

  • Chemistry

Organic Chemistry, Pharmacognosy

Academic background

Master of Pharmaceutical Science, Tokyo University of Science – Pharmacognosy

Work experience

Ms. Yajima joined Hiraki & Associates in August 2026 and specializes in organic chemistry and pharmacognosy.

Patent attorneys / technical staff
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Yusuke Hiraki

Chairman

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  • Biotech
  • Chemistry
  • Plant Varieties

Miyuki Agari

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  • Patent Attorney Qualified to Represent in Specific Infringement Litigation

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  • Biotech
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Kohki Ejima

Section Leader, Biotechnology & Chemistry Group

  • Patent Attorney

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  • Biotech
  • Chemistry
  • Liaison

Nobuko Fukami

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  • Biotech
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Hidetoshi Hanai

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Chiharu Hiramatsu

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  • Chemistry

Jun Iwata

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Gouki Kambe

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Main field of practice

  • Biotech
  • Chemistry

Hideo Kawabe

  • Patent Attorney
  • Patent Attorney Qualified to Represent in Specific Infringement Litigation
  • Ph.D.

Main field of practice

  • Biotech
  • Chemistry
  • Litigation
  • Consulting

Naoko Kikuta

  • Patent Attorney

Main field of practice

  • Chemistry

Yukie Nakamura

  • Patent Attorney

Main field of practice

  • Chemistry

Toru Oyama

  • Patent Attorney
  • Patent Attorney Qualified to Represent in Specific Infringement Litigation

Main field of practice

  • Chemistry
  • Mechanical Engineering and Materials
  • Electrical Engineering and Communication Technology

Kazuhiro OYA

  • Patent Attorney
  • Patent Attorney Qualified to Represent in Specific Infringement Litigation

Main field of practice

  • Chemistry
  • Mechanical Engineering and Materials

yoko wada

  • Patent Attorney

Main field of practice

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List of Patent Attorneys / Technical Staff