Ranking tables

Intellectual Property: Bengoshi | Asia-Pacific

Japan

Rankings overview for Lawyers

E

  1. Kazuhiko Yoshida Nakamura & Partners9 Years Ranked
  2. Toshiaki IimuraYuasa & Hara
  3. Wataru SueyoshiSueyoshi & Sato

All Lawyers profiles

S

Senior Statespeople

  1. S
    Eiji Katayama
    Abe, Ikubo & Katayama
    Abe, Ikubo & Katayama | Intellectual Property: Bengoshi
    2026 | Senior Statespeople | 19 Years Ranked

    Eiji Katayama is an eminent lawyer whose engineering background serves his patent litigation practice well.

  2. S
    Yoshio Kumakura
    Nakamura & Partners
    Nakamura & Partners | Intellectual Property: Bengoshi
    2026 | Senior Statespeople | 19 Years Ranked

    Yoshio Kumakura is a venerable figure in the market with a longstanding practice in IP law, including patent infringement proceedings.

  3. Ryoichi Mimura
    Mimura & Komatsu | Intellectual Property: Bengoshi
    2026 | Senior Statespeople
E

Eminent Practitioners

  1. E
    Kazuhiko Yoshida
    Nakamura & Partners
    Nakamura & Partners | Intellectual Property: Bengoshi
    2026 | Eminent Practitioners | 9 Years Ranked
    Kazuhiko Yoshida is recognised for his extensive experience handling IP litigation. He also advises on matters including licensing and commercial transactions for both Japanese and global clients.
  2. Toshiaki Iimura
    Yuasa & Hara | Intellectual Property: Bengoshi
    2026 | Eminent Practitioners
  3. Wataru Sueyoshi
    Sueyoshi & Sato | Intellectual Property: Bengoshi
    2026 | Eminent Practitioners
1

Band 1

  1. 1
    Seiji Ohno
    Ohno & Partners
    Ohno & Partners | Intellectual Property: Bengoshi
    2026 | Band 1 | 19 Years Ranked

    Seiji Ohno is a highly regarded practitioner and is praised by interviewees for his extensive experience in handling IP litigation and patent-related matters.

  2. Yasufumi Shiroyama
    1
    Yasufumi Shiroyama
    Anderson Mori & Tomotsune
    Anderson Mori & Tomotsune | Intellectual Property: Bengoshi
    2026 | Band 1 | 19 Years Ranked

    Yasufumi Shiroyama heads Anderson Mori & Tomotsune's intellectual property practice group and is well regarded for his expertise in IP litigation, acting for a range of leading international companies. He regularly handles patent infringement disputes in district and appellate courts in Japan.

  3. Eiichiro Kubota
    KUBOTA | Intellectual Property: Bengoshi
    2026 | Band 1
2

Band 2

  1. 2
    Koichi Tsujii
    Nakamura & Partners
    Nakamura & Partners | Intellectual Property: Bengoshi
    2026 | Band 2 | 18 Years Ranked
    Koichi Tsujii is a prominent figure who leads on both IP litigation and transactional matters.
  2. Miki Goto
    2
    Miki Goto
    Anderson Mori & Tomotsune
    Anderson Mori & Tomotsune | Intellectual Property: Bengoshi
    2026 | Band 2 | 8 Years Ranked
    Miki Goto continues to attract recognition, particularly for handling patent disputes. He draws on his background in science and engineering to guide electronic and technology companies through intellectual property matters at the local and multijurisdictional level.
  3. Shunji Matsuda
    2
    Shunji Matsuda
    Nagashima Ohno & Tsunematsu
    Nagashima Ohno & Tsunematsu | Intellectual Property: Bengoshi
    2026 | Band 2 | 8 Years Ranked

    Shunji Matsuda has a longstanding IP litigation practice, regularly acting for leading corporations in the electronics, pharmaceuticals and chemical engineering sectors.

  4. Takamitsu Shigetomi
    2
    Takamitsu Shigetomi
    Oh-Ebashi LPC & Partners
    Oh-Ebashi LPC & Partners | Intellectual Property: Bengoshi
    2026 | Band 2 | 10 Years Ranked

    Takamitsu Shigetomi leads the IP group at Osaka-based Oh-Ebashi and is adept at handling IP licensing and litigation mandates, particularly for life sciences and biotechnology clients.

  5. Yoshikazu Iwase
    2
    Yoshikazu Iwase
    Anderson Mori & Tomotsune
    Anderson Mori & Tomotsune | Intellectual Property: Bengoshi
    2026 | Band 2 | 19 Years Ranked
    Yoshikazu Iwase is an experienced patent disputes lawyer who represents domestic and international clients in venues including the Tokyo District Court.
  6. Harumi Kojo
    Sakurazaka Law Offices | Intellectual Property: Bengoshi
    2026 | Band 2
3

Band 3

  1. Atsushi Okada
    3
    Atsushi Okada
    Mori Hamada
    Mori Hamada | Intellectual Property: Bengoshi
    2026 | Band 3 | 6 Years Ranked

    Atsushi Okada co-heads MHM's IP practice and offers strength in the areas of IP prosecution, enforcement and licensing work for clients from a range of sectors.

  2. Hitomi Iwase
    3
    Hitomi Iwase
    Nishimura & Asahi
    Nishimura & Asahi | Intellectual Property: Bengoshi
    2026 | Band 3 | 7 Years Ranked

    Hitomi Iwase co-heads the intellectual property division at Nishimura & Asahi and also handles the full range of IP matters, including trade marks, copyright and patents. Her practice covers both contentious and transactional IP matters.

  3. Junichi Kitahara
    3
    Junichi Kitahara
    Abe, Ikubo & Katayama
    Abe, Ikubo & Katayama | Intellectual Property: Bengoshi
    2026 | Band 3 | 9 Years Ranked

    Junichi Kitahara is a well-known lawyer handling complex commercial disputes for both domestic and international clients. His practice covers the pharmaceutical and technology sectors.

  4. 3
    Kei Iida
    Nakamura & Partners
    Nakamura & Partners | Intellectual Property: Bengoshi
    2026 | Band 3 | 12 Years Ranked
    Kei Iida is a highly reputed IP dispute resolution specialist who handles matters for both domestic and overseas clients.
  5. Michiru Takahashi
    3
    Michiru Takahashi
    Jones Day
    Jones Day | Intellectual Property: Bengoshi
    2026 | Band 3 | 16 Years Ranked

    Michiru Takahashi specialises in trademark-related and patent infringement matters, and is a frequent adviser to major corporates in a variety of sectors, including pharmaceuticals, technology, and food and beverages.

  6. Shinsuke Yakura
    3
    Shinsuke Yakura
    White & Case LLP - White & Case Law Offices (Registered Association)
    White & Case LLP - White & Case Law Offices (Registered Association) | Intellectual Property: Bengoshi
    2026 | Band 3 | 10 Years Ranked

    Shinsuke Yakura of White & Case handles both advisory and litigation work, especially regarding patents and copyrights. His clients include food and beverage, electric device and automotive manufacturers.

  7. Yutaka Miyoshi
    3
    Yutaka Miyoshi
    Mori Hamada
    Mori Hamada | Intellectual Property: Bengoshi
    2026 | Band 3 | 15 Years Ranked

    Yutaka Miyoshi co-heads Mori Hamada's intellectual property team. He has notable expertise in patent infringement disputes and patent assessments, as well as domain name matters.

  8. Kensaku Fukui
    Kotto Dori Law Office | Intellectual Property: Bengoshi
    2026 | Band 3
  9. Tsuyoshi Sueyoshi
    Yuasa & Hara | Intellectual Property: Bengoshi
    2026 | Band 3
4

Band 4

  1. 4
    Hideki Takaishi
    Nakamura & Partners
    Nakamura & Partners | Intellectual Property: Bengoshi
    2026 | Band 4 | 5 Years Ranked
    Hideki Takaishi is a well-regarded lawyer who is noted for his ability to handle patent disputes.
  2. Makoto Hattori
    4
    Makoto Hattori
    Abe, Ikubo & Katayama
    Abe, Ikubo & Katayama | Intellectual Property: Bengoshi
    2026 | Band 4 | 9 Years Ranked

    Makoto Hattori is dual-qualified in Japan and New York and represents multinational corporates across a range of patent litigation.

  3. Makoto Okada
    4
    Makoto Okada
    TMI Associates
    TMI Associates | Intellectual Property: Bengoshi
    2026 | Band 4 | 1 Years Ranked

    Makoto Okada is a seasoned IP practitioner. He is particularly adept at handling patent litigation for clients in the electronics and media sectors.

    Key sectors
    Art and Entertainment|Business and Professional Services|Health and Life Sciences|Industrials, Engineering and Manufacturing|Technology, Media and Telecoms (TMT)
  4. 4
    Masahiro Samejima
    Uchida & Samejima Law Firm | Intellectual Property: Bengoshi
    2026 | Band 4 | 4 Years Ranked

    Masahiro Samejima is one of the founding members of Uchida & Samejima Law Firm. He is a patent attorney with metallurgical engineering background and significant industry experience whose technical knowledge and expertise is often noted.

  5. Yoshiyuki Miyashita
    4
    Yoshiyuki Miyashita
    Nishimura & Asahi
    Nishimura & Asahi | Intellectual Property: Bengoshi
    2026 | Band 4 | 4 Years Ranked

    Yoshiyuki Miyashita co-heads the firm's intellectual property group and has a wide range of expertise, notably assisting clients with IP disputes as well as licensing and matters arising out of transactions.

  6. Kensaku Yamamoto
    SHUSAKU·YAMAMOTO | Intellectual Property: Bengoshi
    2026 | Band 4
  7. Tomohiko Makino
    Sakurazaka Law Offices | Intellectual Property: Bengoshi
    2026 | Band 4
  8. Yusuke Inui
    KUBOTA | Intellectual Property: Bengoshi
    2026 | Band 4
U

Up and Coming

  1. Masayuki Yamanouchi
    U
    Masayuki Yamanouchi
    Anderson Mori & Tomotsune
    Anderson Mori & Tomotsune | Intellectual Property: Bengoshi
    2026 | Up and Coming | 1 Years Ranked

    Masayuki Yamanouchi is an up-and-coming lawyer with a strong scientific background. Highly sought after by pharmaceutical clients, he often represents clients in patent disputes, including patent linkage, invalidation and enforcement.