Strategic Research Sponsor of the American Bar Association's Section of International LawThe Queen's Award for Enterpise 2012

Hiroaki Ishigaki

Hiroaki Ishigaki
The Imperial Hotel Tower 13F
1-1-1 Uchisaiwai-cho, Chiyoda-ku
+81 3 3500 3295
+81 3 3500 3291


Who's Who Legal Consulting Experts: Economic Consulting - Competition Economists

Dr Hiroaki Ishigaki is vice president and head of both NERA’s Tokyo office and the company’s operations in Japan. He is an expert in providing economic advice in antitrust, intellectual property, securities and finance, and energy. He has frequently presented his analyses to regulatory agencies and courts.

In his antitrust practice, Dr Ishigaki has analysed the competitive impacts of many merger cases in a wide range of industries, including mining, beverages, paper products, chemicals, pharmaceuticals, metals, petroleum, refineries, containers, computer products, semiconductor devices, machinery, automobiles, wholesale, retail, securities exchanges, banking and auctions, among others. He has addressed liability and damages issues involving bid rigging, cartels, predatory pricing, monopolisation, abuse of a dominant position, and other antitrust violations. 

He has also evaluated damages in various intellectual property infringement disputes and reasonable compensation in employee invention litigations. He has experience in helping license agreement of intellectual property rights. In his securities and finance practice, he has analysed the liability claim and damages in securities litigations regarding various fraudulent financial reporting, as well as minority squeezed-out and derivative transaction disputes.

Prior to joining NERA, Dr Ishigaki served as an economist in the mergers and acquisitions division of the Japan Fair Trade Commission, where he advised on and conducted economic analyses of many merger cases in a wide range of industries.

WWL says: Hiroaki Ishigaki is “known for his keen intellect and expertise analysing the competitive impacts of mergers”

This biography is an extract from Who's Who Legal: Consulting Experts which can be purchased from our Shop.

Other Practice Areas:

Follow us on LinkedIn

Practice Areas


Browse Firms

Search Firms

The Who's Who Legal 100


News & Features

Special Reports



About Us

It is not possible to buy entry into any Who's Who Legal publication

Nominees have been selected based upon comprehensive, independent survey work with both general counsel and private practice lawyers worldwide. Only specialists who have met independent international research criteria are listed.

Copyright © 2017 Law Business Research Ltd. All rights reserved. |

87 Lancaster Road, London, W11 1QQ, UK | Tel: +44 20 7908 1180 / Fax: +44 207 229 6910 |

Law Business Research Ltd

87 Lancaster Road, London
W11 1QQ, UK