{"id":3563,"date":"2023-04-14T10:19:45","date_gmt":"2023-04-14T01:19:45","guid":{"rendered":"https:\/\/www.kitahama.or.jp\/english\/?post_type=professional&p=3563"},"modified":"2026-05-15T17:07:30","modified_gmt":"2026-05-15T08:07:30","slug":"ryotaro-oba","status":"publish","type":"professional","link":"https:\/\/www.kitahama.or.jp\/english\/professionals\/ryotaro-oba\/","title":{"rendered":"Ryotaro Oba"},"content":{"rendered":"\n

Having served as a public prosecutor from the outset of his career, where he was engaged in criminal investigations and trials, and organizational and risk management at the Public Prosecutors Office nationwide, Ryotaro Oba was also involved in the administration of legal affairs and providing legal technical assistance to foreign nations in Asia for the purpose of the development of laws at the Ministry of Justice, and the development of the accessibility to justice at the Japan Legal Support Center. Wishing to utilize this rich experience after retiring from the position of a Superintending Prosecutor, Mr. Oba registered as an attorney-at-law in April 2023. Since doing so, he has been engaged in corporate fraud investigations for companies and other entities, criminal complaints and trials, while also giving lectures on the topic of \u2018Criminal Justice and Risk Management\u2019. Having qualified as a Certified Fraud Examiner (CFE) in September 2024, Mr. Oba strives to continue meeting a wide range of legal service needs for his clients<\/p>\n\n\n\n

Education \uff06 Professional Career<\/h3>\n\n\n\n
Sep 2024<\/td>Qualified as a Certified Fraud Examiner (CFE)<\/td><\/tr>
Apr 2023 \u2013<\/td>Present Kitahama Partners, Of Counsel<\/td><\/tr>
Apr 2023<\/td>Admitted to practice in Japan<\/td><\/tr>
Jan 2023<\/td>Retired from the position of Superintending Prosecutor<\/td><\/tr>
Sep 2021<\/td>Nagoya High Public Prosecutors Office, Superintending Prosecutor<\/td><\/tr>
Mar 2020<\/td>Sendai High Public Prosecutors Office, Superintending Prosecutor<\/td><\/tr>
Apr 1986 – Feb 2020<\/td>Appointed as a Public Prosecutor at the Yokohama District Public Prosecutors Office, served at the Naha, Chiba, Tokyo, Yamagata, Kushiro, and Tsu District Public Prosecutors Offices and the Supreme Public Prosecutors Office; served at the Ministry of Justice, the Japan Legal Support Center, the Cabinet Secretariat, and the Research and Training Institute of the Ministry of Justice<\/td><\/tr>
Mar 1986<\/td>Graduated from the Legal Training and Research Institute of the Supreme Court of Japan<\/td><\/tr>
Mar 1984<\/td>Waseda University (LL.B.)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Other Activities<\/h3>\n\n\n\n
Jun 2025<\/td>Audit and Supervisory Board Member, The Kyoritsu Co., Ltd.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

<\/p>\n","protected":false},"author":118,"featured_media":0,"parent":0,"menu_order":57,"template":"","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-3563","professional","type-professional","status-publish","hentry"],"acf":[],"yoast_head":"\nRyotaro Oba - of-counsel - Kitahama Partners<\/title>\n<meta name=\"description\" content=\"Having served as a public prosecutor from the outset of his career, where he was engaged in criminal investigations and trials, and organizational and\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kitahama.or.jp\/english\/professionals\/ryotaro-oba\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ryotaro Oba - of-counsel - Kitahama Partners\" \/>\n<meta property=\"og:description\" content=\"Having served as a public prosecutor from the outset of his career, where he was engaged in criminal investigations and trials, and organizational and\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.kitahama.or.jp\/english\/professionals\/ryotaro-oba\/\" \/>\n<meta property=\"og:site_name\" content=\"Kitahama Partners\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-15T08:07:30+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.kitahama.or.jp\/english\/professionals\/ryotaro-oba\/\",\"url\":\"https:\/\/www.kitahama.or.jp\/english\/professionals\/ryotaro-oba\/\",\"name\":\"Ryotaro Oba - of-counsel - Kitahama Partners\",\"isPartOf\":{\"@id\":\"https:\/\/www.kitahama.or.jp\/english\/#website\"},\"datePublished\":\"2023-04-14T01:19:45+00:00\",\"dateModified\":\"2026-05-15T08:07:30+00:00\",\"description\":\"Having served as a public prosecutor from the outset of his career, where he was engaged in criminal investigations and trials, and organizational and\",\"breadcrumb\":{\"@id\":\"https:\/\/www.kitahama.or.jp\/english\/professionals\/ryotaro-oba\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.kitahama.or.jp\/english\/professionals\/ryotaro-oba\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.kitahama.or.jp\/english\/professionals\/ryotaro-oba\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.kitahama.or.jp\/english\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ryotaro Oba\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.kitahama.or.jp\/english\/#website\",\"url\":\"https:\/\/www.kitahama.or.jp\/english\/\",\"name\":\"Kitahama Partners\",\"description\":\"Kitahama Partners strives to contribute to society and the public good by consistently providing the highest quality legal services.\",\"publisher\":{\"@id\":\"https:\/\/www.kitahama.or.jp\/english\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.kitahama.or.jp\/english\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.kitahama.or.jp\/english\/#organization\",\"name\":\"Kitahama Partners\",\"url\":\"https:\/\/www.kitahama.or.jp\/english\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.kitahama.or.jp\/english\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.kitahama.or.jp\/english\/wp-content\/uploads\/2019\/06\/favicon.png\",\"contentUrl\":\"https:\/\/www.kitahama.or.jp\/english\/wp-content\/uploads\/2019\/06\/favicon.png\",\"width\":512,\"height\":512,\"caption\":\"Kitahama Partners\"},\"image\":{\"@id\":\"https:\/\/www.kitahama.or.jp\/english\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Ryotaro Oba - of-counsel - Kitahama Partners","description":"Having served as a public prosecutor from the outset of his career, where he was engaged in criminal investigations and trials, and organizational and","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.kitahama.or.jp\/english\/professionals\/ryotaro-oba\/","og_locale":"en_US","og_type":"article","og_title":"Ryotaro Oba - of-counsel - Kitahama Partners","og_description":"Having served as a public prosecutor from the outset of his career, where he was engaged in criminal investigations and trials, and organizational and","og_url":"https:\/\/www.kitahama.or.jp\/english\/professionals\/ryotaro-oba\/","og_site_name":"Kitahama Partners","article_modified_time":"2026-05-15T08:07:30+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.kitahama.or.jp\/english\/professionals\/ryotaro-oba\/","url":"https:\/\/www.kitahama.or.jp\/english\/professionals\/ryotaro-oba\/","name":"Ryotaro Oba - of-counsel - Kitahama Partners","isPartOf":{"@id":"https:\/\/www.kitahama.or.jp\/english\/#website"},"datePublished":"2023-04-14T01:19:45+00:00","dateModified":"2026-05-15T08:07:30+00:00","description":"Having served as a public prosecutor from the outset of his career, where he was engaged in criminal investigations and trials, and organizational and","breadcrumb":{"@id":"https:\/\/www.kitahama.or.jp\/english\/professionals\/ryotaro-oba\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.kitahama.or.jp\/english\/professionals\/ryotaro-oba\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.kitahama.or.jp\/english\/professionals\/ryotaro-oba\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.kitahama.or.jp\/english\/"},{"@type":"ListItem","position":2,"name":"Ryotaro Oba"}]},{"@type":"WebSite","@id":"https:\/\/www.kitahama.or.jp\/english\/#website","url":"https:\/\/www.kitahama.or.jp\/english\/","name":"Kitahama Partners","description":"Kitahama Partners strives to contribute to society and the public good by consistently providing the highest quality legal services.","publisher":{"@id":"https:\/\/www.kitahama.or.jp\/english\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.kitahama.or.jp\/english\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.kitahama.or.jp\/english\/#organization","name":"Kitahama Partners","url":"https:\/\/www.kitahama.or.jp\/english\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.kitahama.or.jp\/english\/#\/schema\/logo\/image\/","url":"https:\/\/www.kitahama.or.jp\/english\/wp-content\/uploads\/2019\/06\/favicon.png","contentUrl":"https:\/\/www.kitahama.or.jp\/english\/wp-content\/uploads\/2019\/06\/favicon.png","width":512,"height":512,"caption":"Kitahama Partners"},"image":{"@id":"https:\/\/www.kitahama.or.jp\/english\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.kitahama.or.jp\/english\/wp-json\/wp\/v2\/professional\/3563","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kitahama.or.jp\/english\/wp-json\/wp\/v2\/professional"}],"about":[{"href":"https:\/\/www.kitahama.or.jp\/english\/wp-json\/wp\/v2\/types\/professional"}],"author":[{"embeddable":true,"href":"https:\/\/www.kitahama.or.jp\/english\/wp-json\/wp\/v2\/users\/118"}],"version-history":[{"count":2,"href":"https:\/\/www.kitahama.or.jp\/english\/wp-json\/wp\/v2\/professional\/3563\/revisions"}],"predecessor-version":[{"id":6315,"href":"https:\/\/www.kitahama.or.jp\/english\/wp-json\/wp\/v2\/professional\/3563\/revisions\/6315"}],"wp:attachment":[{"href":"https:\/\/www.kitahama.or.jp\/english\/wp-json\/wp\/v2\/media?parent=3563"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}