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Overview

Services

Media Research Institute,Inc.

Media Soken is a Japan-based career support and human resources services company specializing in connecting technical college (Kosen) students and university students with prospective employers through job-hunting events, recruitment support services, and career information platforms. The company organizes large-scale employment seminars across seven regions of Japan targeting Kosen students and science/engineering university students, attracting 80–200 companies per event from manufacturing, IT, and construction sectors. In addition to career services, the company provides web content services including website development, maintenance, video production, and corporate branding through its subsidiary Adwill Co., Ltd.

Market Cap

¥2.37B

US$15.1M

¥0.68B

US$4.36M

Stock¥1,921▲+0.05%

US$1 = ¥156.80 (2026-10-23)

LTM EV/EBITDA

2.2

LTM EV/EBIT

2.5

LTM PER

15.3

LTM PBR

1.4

Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-5.2%pt

Oct 24, 25 – Oct 23, 26StockTOPIX

1Nov 4, 25Activist shareholder accumulation

MC → EV Bridge

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Performance & Balance

Revenue 5Y (¥B)

EBITDA 5Y (¥B)

Net Income 5Y (¥B)

Capital Structure

100%

EquityD/E 0.00xDebt

Liquidity vs Debt 5Y (¥B)▲ Net Cash

CashInv. Sec.Debt

Shareholders

Top 10 hold 74.2%

as of 2026-07-31 · Source: Annual Securities Report

Koji TANAKA

62.49%

Custody Bank of Japan, Ltd. (Trust Account)

2.80%

Osamu KONNO

1.80%

Wataru HIDA

1.77%

Masao NOMOTO

1.62%

Yoko TANIGUCHI

1.06%

Toshitaka TANAKA

0.83%

Ryoji YOSHIYUKI

0.81%

DSB Co., Ltd.

0.52%

Yukio TANAKA

0.51%

Management

9 officers

Koji TANAKA

Representative Director, Chairman

Apr 1984 Joined Mainichi Communications Inc. (current: Mynavi Corporation) Mar 1993 Founded the Company; Representative Director, President (current) Oct 2026 Representative Director, Chairman of the Company

1961-01-08

Masao NOMOTO

Director, Executive Vice President, in charge of Systems Department and Planning & Production Department

Apr 1994 Joined Fukuoka Yakult Sales Co., Ltd. May 1999 Joined I-System Co., Ltd. Nov 2005 Founded business under the name Magnetz Nov 2006 Established Magnetz Co., Ltd.; Representative Director, President Jun 2019 Director, Executive Vice President of the Company; General Manager, Magnetz Business Division Aug 2020 Director, Executive Vice President of the Company Oct 2022 Director, Executive Vice President of the Company; General Manager, Systems Department and Planning & Production Department Aug 2026 Director, Executive Vice President, in charge of Systems Department (current) Oct 2026 Director, Executive Vice President, in charge of Systems Department and Planning & Production Department

1976-01-01

Yoko TANIGUCHI

Director, in charge of Administration Department

Oct 1995 Joined Freaks Ltd. Nov 1999 Joined the Company May 2009 Director, General Manager, Production Department Aug 2020 Director, General Manager, Planning & Production Department Oct 2022 Director, in charge of Administration Department (current)

1971-12-15

Ryoji YOSHIYUKI

Director

Apr 1993 Joined The Nishi-Nippon Bank, Ltd. (current: Nishi-Nippon City Bank, Ltd.) Jun 2001 Joined Media Five Co., Ltd. Aug 2004 Statutory Auditor, Media Five Co., Ltd. Aug 2006 Director, Media Five Co., Ltd. Sep 2007 Managing Director, Media Five Co., Ltd. Aug 2011 Senior Managing Director, Media Five Co., Ltd. Aug 2011 Director, Takumi Kobo Co., Ltd. Aug 2013 Representative Director, President, Double Skill Co., Ltd. Sep 2015 Founded Bring Rack Co., Ltd.; Representative Director, President (current) Oct 2019 Director of the Company (current) Sep 2020 Outside Director, Media System Co., Ltd. (current) Apr 2021 Outside Director, Answer Holdings Co., Ltd. (current) Sep 2022 Outside Director, SOSOGoo Holdings Co., Ltd. Jun 2025 Outside Director, EV Motors Japan Co., Ltd.

1970-06-14

Akiko MOJI

Full-time Statutory Auditor

Apr 1991 Joined Noguchi Tax Accountant and Real Estate Appraiser Office Apr 2004 Joined Mitsuru Certified Public Accountant Office Aug 2013 Registered as Certified Tax Accountant Aug 2013 Opened Akiko Moji Tax Accountant Office; Representative (current) Oct 2019 Statutory Auditor of the Company (current)

1970-04-25

Daiki YOSHII

Statutory Auditor

Dec 2008 Joined Azsa LLC Oct 2012 Registered as Certified Public Accountant Oct 2014 Joined Yotsuba Accounting (Thailand) Co., Ltd. (current: MiTSUKi Accounting (Thailand) Co., Ltd.) Jan 2016 Opened Yoshii Certified Public Accountant Office; Representative (current) Apr 2016 Executive Officer, ecommit Co., Ltd. (current: ECOMMIT Co., Ltd.) Feb 2017 Director, ecommit Co., Ltd. (current: ECOMMIT Co., Ltd.) Oct 2018 Statutory Auditor of the Company (current) Dec 2018 Established Kazumiru LLC; Representative Member (current) Aug 2019 Outside Director, Media Five Co., Ltd.

1984-03-23

Rikuto TANAKA

Representative Director, President

Mar 2025 Completed doctoral program, Graduate School of Frontier Biosciences, Osaka University; Doctor of Science Apr 2025 Joined Mizushima & Aoyama Co., Ltd. Jan 2026 Joined the Company; Deputy General Manager, Strategy Promotion Office (current) Oct 2026 Representative Director, President of the Company

1997-02-18

Naoki KAKINUMA

Director, in charge of Sales Department and Sales Promotion Department

Apr 1985 Joined The Taiyo Kobe Bank, Ltd. (current: Sumitomo Mitsui Banking Corporation) Oct 2017 Representative Director, President and Executive Officer, SIS Techno Service Co., Ltd. Jun 2021 Director and Managing Executive Officer, Sakura Information Systems Co., Ltd. Apr 2023 Director and Senior Managing Executive Officer, Sakura Information Systems Co., Ltd. Jul 2024 Joined Media Soken Innovations Co., Ltd. Oct 2024 Director, in charge of Sales Department of the Company Aug 2026 Director, in charge of Sales Department and Sales Promotion Department (current)

1961-08-09

Miho MASUMOTO

Statutory Auditor

Apr 2005 Joined Legal Training and Research Institute Oct 2006 Registered as attorney; joined Kowa Law Office Apr 2008 Joined Fukuoka Finance Bureau, Ministry of Finance Aug 2010 Joined Shinsei Law Office Aug 2016 Outside Statutory Auditor, Media Five Co., Ltd. Oct 2019 Statutory Auditor of the Company (current) Jan 2022 Opened Masumoto Law Office; Representative (current) Sep 2022 Outside Statutory Auditor, Media System Co., Ltd. (current) Jun 2023 Outside Director, Ifuji Sangyo Co., Ltd. (current) Aug 2024 Outside Director, Media Five Co., Ltd. (current)

1974-09-23

Large Shareholding Reports

No filings

Disclosures

Executive Change

2026-09-11

Media Research Institute,Inc.

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Media Research Institute,Inc.

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