Who We Are Where Vision Meets Legal Mastery 69 Advanced Degrees 9.8 Years Average Attorney Tenure 10 Jurisdictions Attorneys are Qualified to Practice 17 Countries Staff Originated From Our Firm Leaders View Profile Kensaku Yamamoto Managing Partner View Profile John A. Tessensohn Executive Director View Profile Lani Victoria Q. Vinas Legal Director View Profile Junko Asai Partner View Profile Daisuke Kammera Partner View Profile Satoshi Fukunaga Partner View Profile Kazuya Misaka Partner View Profile Takeshi Oshio Senior Patent Attorney View Profile Daisuke Ishikawa Senior Patent Attorney Our Professionals Japanese Attorneys Junko Asai Partner/Attorney-at-Law Satoshi Fukunaga Partner/Attorney-at-Law Masahiro Hashimoto Attorney-at-Law Akito Honda Attorney-at-Law Masato Idaka Attorney-at-Law Arisa Ikeda Attorney-at-Law Daisuke Kammera Partner/Attorney-at-Law Kosuke Masuda Attorney-at-Law Kazuya Misaka Partner/Attorney-at-Law Fumihiro Sekiya Attorney-at-Law Misaki Shigeno Attorney-at-Law Kensaku Yamamoto Managing Partner/Attorney-at-Law Japanese Patent Attorneys Masahisa Hasebe Patent Attorney Takayuki Hashimoto Patent Attorney Takatoshi Iida Patent Attorney Daisuke Ishikawa Patent Attorney Katsuhiro Konno Patent Attorney Ryouji Mikata Patent Attorney Natsuki Morishita Patent Attorney Takeshi Oshio Patent Attorney Hiroki Tanaka Patent Attorney Hayato Takahashi Patent Attorney Seiya Togashi Patent Attorney Shusaku Yamamoto Founder/Patent Attorney Foreign Attorneys Ada Acampado Foreign Attorney Jane Patria Ambrocio Foreign Attorney Pristy Benjamin Foreign Attorney Razel Ann P. Esteban Foreign Attorney Shruti K. Kohinkar Foreign Attorney Sasha Lynch Foreign Attorney Louisa Ng Foreign Attorney Edielle Anne S. Obnamia Foreign Attorney John A. Tessensohn Executive Director/Foreign Attorney Lani Victoria Q. Vinas Legal Director/Foreign Attorney Foreign Patent Attorneys Muyang Lin Foreign Patent Attorney Zehui Luo Foreign Patent Attorney Chenyu Zheng Foreign Patent Attorney