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Overview
Information & Communication

Digital Knowledge Co.,Ltd.

Digital Knowledge Co., Ltd. is a Japan-based e-learning specialist with 30 years of experience, providing end-to-end solutions including learning management systems (LMS), AI-powered content generation, skill management tools, and e-learning content production. The company serves over 3,000 corporate and academic clients—including Toyota, DeNA, and major universities—through proprietary products such as KnowledgeDeliver and Teacher's Copilot. Its competitive strengths lie in deep customization capability, full-lifecycle support from system design to operations, and integration of the latest educational technology including AI and digital badges.

Market Cap
¥—B
EV
¥—B
Stock¥2,156▲+0.00%
US$1 = ¥156.80 (2026-10-23)
LTM EV/EBITDA
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LTM EV/EBIT
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LTM PER
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LTM PBR
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Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-7.9%pt
100
Feb 20, 26 – Sep 30, 26StockTOPIX
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Performance & Balance
Shareholders
Top 10 hold 100.0%
as of 2025-11-30 · Source: Annual Securities Report
1
Hiroaki KUBI
89.09%
2
Digital Knowledge Co.,Ltd. Employee Stock Ownership Association
4.09%
3
Mitsubishi UFJ Capital Co., Ltd.
1.95%
4
Hisako KONDO
1.64%
5
Kazuaki INOMATA
1.25%
6
Yuji YOSHIDA
1.25%
7
Yasuyuki NOGUCHI
0.46%
8
Yoshio TAKI
0.23%
Management
10 officers
Hiroaki TSUJI
Representative Director, President & CEO
Apr. 1988: Joined Fuji Electric Co., Ltd. Dec. 1995: Co-founded the Company; appointed Director. Jan. 2000: Appointed Representative Director, President of the Company. Sep. 2009: Appointed Director of Digital Knowledge Consumer Co., Ltd. (now docomo gacco Inc.) (current). Mar. 2014: Appointed Representative Director, President & CEO of the Company (current).
1966-03-20
Yuji YOSHIDA
Representative Director, COO
Apr. 1997: Joined the Company. Mar. 2014: Appointed Director & COO of the Company. Jun. 2016: Appointed Representative Director, COO of the Company (current).
1973-04-18
Hisako KONDO
Director
Apr. 1986: Joined Fuji Electric Microcomputer Engineering Co., Ltd. Feb. 1996: Joined the Company. Jan. 2000: Appointed Director of the Company (current).
1965-07-27
Yasuyuki NOGUCHI
Director
Apr. 1985: Joined Sumitomo Corporation Machinex Co., Ltd. Apr. 1996: Appointed Director of KSK Belnett Co., Ltd. Jul. 2000: Joined the Company as General Manager, Sales Division. Apr. 2002: Appointed Director of the Company (current).
1963-04-04
Yoshio TAKI
Director
Apr. 1990: Joined Daiwa Securities Co., Ltd. Apr. 1999: Joined Daiwa Securities SB Capital Markets Co., Ltd. (now Daiwa Securities Co., Ltd.). Mar. 2010: Appointed Director of euglena Co., Ltd. Dec. 2013: Appointed Audit & Supervisory Board Member of euglena Co., Ltd. Jun. 2019: Appointed Director of the Company (current).
1968-03-25
Yosuke SAITO
Director
Dec. 2003: Joined Monolith Co., Ltd. Jan. 2009: Joined the Company. Jun. 2015: Appointed General Manager, Business Solutions Division of the Company. Aug. 2017: Appointed General Manager, International Development Solutions Division of the Company. Nov. 2017: Appointed Executive Officer of the Company. Dec. 2019: Appointed General Manager, Solution Partner Division of the Company. Dec. 2019: Appointed Executive Officer, Assistant COO of the Company. Feb. 2024: Appointed Director of the Company (current).
1978-10-17
Shinji UEHARA
Director
Apr. 1980: Joined Sanwa Bank, Ltd. (now MUFG Bank, Ltd.). Nov. 1989: Appointed Deputy General Manager, Capital Markets Division of the same bank. Jul. 2003: Joined UFJ Capital Co., Ltd. (now Mitsubishi UFJ Capital Co., Ltd.) as General Manager, Investment Department No. 5. Apr. 2012: Appointed General Manager, Investment Sales Division of the same company. Jul. 2014: Appointed Executive Officer & General Manager, Investment Sales Division of the same company. Jul. 2021: Appointed Director of the Company (current).
1956-06-07
Kazuaki INOMATA
Full-time Audit & Supervisory Board Member
Apr. 1988: Joined Fuji Electric Co., Ltd. Apr. 1997: Joined the Company. Dec. 2017: Appointed General Manager, Management Promotion Division of the Company. Feb. 2019: Appointed Audit & Supervisory Board Member of the Company (current).
1963-05-19
Keiji YUMIBA
Audit & Supervisory Board Member
Oct. 1992: Joined Chuo Shinko Audit Corporation (ultimately renamed Misuzu Audit Corporation). Apr. 1996: Registered as Certified Public Accountant. Jul. 2004: Appointed Partner of Chuo Aoyama Audit Corporation (ultimately renamed Misuzu Audit Corporation). Aug. 2007: Transferred to Deloitte Touche Tohmatsu (now Deloitte Touche Tohmatsu LLC); appointed Partner. Aug. 2011: Appointed Senior Managing Director of Tohmatsu e-Learning Solutions Co., Ltd. Dec. 2015: Appointed Representative Director, President of Tohmatsu e-Learning Solutions Co., Ltd. Aug. 2017: Founded Sankei Business Consulting Co., Ltd.; appointed Representative Director, President (current). Sep. 2017: Founded The International Computer Auditing Education Association; appointed Representative Director (current). Feb. 2018: Appointed Audit & Supervisory Board Member of the Company (current). Jun. 2021: Appointed Candidate for Director serving as Audit & Supervisory Committee Member of ADEKA Corporation (current).
1968-03-28
Hideji KATAKURA
Audit & Supervisory Board Member
Dec. 2010: Registered as attorney-at-law; joined Ogasawara Mutsukawa International Law Office. Jun. 2018: Founded JAZY Law Office; appointed Managing Attorney (current). Jun. 2018: Appointed Audit & Supervisory Board Member of Living Platform Co., Ltd. (current). Jun. 2019: Appointed Audit & Supervisory Board Member of the Company (current). Feb. 2021: Appointed Audit & Supervisory Board Member of Siiibo Co., Ltd. (now Siiibo Securities Co., Ltd.) (current). Jan. 2023: Founded Kagayaki Sogo Law Corporation; appointed Managing Attorney (current).
1981-09-11
Large Shareholding Reports
No filings
Disclosures
No disclosures
Primary Source Filings
TDnet
2026-02-27
発行者情報
FY ending Nov 2025
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