Overview
Services

ASO INTERNATIONAL,INC.

ASO International is a specialized orthodontic dental laboratory that designs and manufactures custom-made orthodontic dental appliances (e.g., aligners, lingual appliances, retainers, diagnostic models) for orthodontic clinics, dental universities, and affiliated hospitals across Japan. The company offers over 100 types of orthodontic appliances, leveraging accumulated manufacturing know-how, digital technology (intraoral scanners, 3D printers), and a flexible production network of in-house dental technicians and 57 external partner laboratories. Key competitive strengths include long-term relationships with dental schools and practitioners, a digital case-data analytics capability, and growing international presence with subsidiaries in the Philippines, Hawaii, and the United States.

Market Cap
¥7.76B
US$49.5M
EV
¥5.41B
US$34.5M
Stock¥787▼-1.38%
US$1 = ¥156.80 (2026-10-23)
LTM EV/EBITDA
7.1
x
LTM EV/EBIT
7.5
x
LTM PER
15.0
x
LTM PBR
2.4
x
Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-4.9%pt
100
Oct 24, 25 – Oct 23, 26StockTOPIX
MC → EV Bridge
7.76BUS$49.5MMarket Cap0.00BUS$0.00M+ Debt1.43BUS$9.11M− Cash0.93BUS$5.92M− Inv. Sec.5.41BUS$34.5MEV
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Performance & Balance
Revenue 5Y (¥B)
3.19US$20.3M'23/63.54US$22.6M'24/63.80US$24.2M'25/64.17US$26.6M'26/6
EBITDA 5Y (¥B)
0.49US$3.15M'23/60.59US$3.77M'24/60.70US$4.48M'25/60.76US$4.88M'26/6
Net Income 5Y (¥B)
0.34US$2.16M'23/60.39US$2.46M'24/60.44US$2.79M'25/60.52US$3.30M'26/6
Capital Structure
100%
EquityD/E 0.00xDebt
Liquidity vs Debt 5Y (¥B)▲ Net Cash
CashInv. Sec.Debt
1.77US$11.3M'23/62.04US$13.0M'24/62.17US$13.9M'25/61.86US$11.8M'26/6
Shareholders
Top 10 hold 78.2%
1
ASO Co., Ltd.
56.77%
2
Toshimasa ASO
8.10%
3
ASG Japan Co., Ltd.
3.35%
4
SBI SECURITIES Co., Ltd.
3.34%
5
Hikari Tsushin Investments Okinawa Co., Ltd.
1.85%
6
Eiji KATO
1.22%
7
Nippon Life Insurance Company
0.98%
8
EPARK, Inc.
0.98%
9
Hikari Tsushin K.K. Investment Limited Liability Partnership
0.86%
10
Tetsuya OSUGI
0.78%
Management
7 officers
Toshimasa ASO
Representative Director, President
Apr 1980: Assistant, Nippon Dental University Attached Dental Technician School (currently Nippon Dental University Tokyo Junior College) Apr 1982: Opened ASO DENTAL dental laboratory, Representative May 1988: Established ASO. DENTAL Co., Ltd. (currently the Company), Representative Director, President (current) Jul 2000: Established ASO Holdings Co., Ltd., Representative Director Jun 2004: Director, President, ASO INTERNATIONAL HAWAII, INC. Feb 2009: Representative Director, ASO INTERNATIONAL HITACHI Co., Ltd. May 2015: Chairman, ASO INTERNATIONAL MANILA, INC. (current) Apr 2024: Chief Financial Officer, ASO INTERNATIONAL USA, INC. (current)
1960-07-25
Atsushi UCHIYAMA
Director, General Manager, Business Management Division
Apr 2000: Joined the Company Jul 2018: General Manager, Business Management Division, the Company Jul 2019: Director, General Manager, Business Management Division, the Company (current) Jul 2019: Director, ASO INTERNATIONAL HITACHI Co., Ltd.
1980-04-14
Tsutomu KUWAHARA
Audit & Supervisory Board Member (Full-time)
Apr 1976: Joined 3M Unitek K.K. (currently 3M Japan Limited) Jan 2008: Representative Director, Forestadent Japan K.K. Jul 2019: Joined the Company Oct 2020: Director, the Company Sep 2026: Audit & Supervisory Board Member, the Company (current)
1956-11-09
Kazutaka KASAI
Director
Apr 1984: Assistant, Nihon University (Matsudo School of Dentistry, Orthodontics) Oct 1988: Lecturer, Nihon University Sep 1991: Overseas Visiting Researcher, Department of Genetics and Human Variation, School of Dentistry, University of Adelaide, Australia Feb 1998: Professor, Nihon University Apr 2001: In charge of Postgraduate Education, Nihon University Matsudo School of Dentistry Apr 2003: Deputy Director, Nihon University Matsudo School of Dentistry Dental Hospital Apr 2009: In charge of Academic Affairs, Nihon University Matsudo School of Dentistry Apr 2017: Deputy Dean, Nihon University Matsudo School of Dentistry Sep 2017: Councilor, Nihon University Apr 2021: Specially Appointed Professor, Nihon University (current) Sep 2024: Director, the Company (current) Significant Concurrent Positions: 2019: Chairman, Dentistry OSCE Implementation Management Committee, Common Achievement Tests Implementation and Evaluation Organization for Medical Schools (Public Interest Incorporated Association) 2019: Member, Committee for Post-Clinical Clerkship Objective Structured Clinical Examination (Dentistry), same organization 2019: Member, Council for the Improvement and Enhancement of Dental Education, Ministry of Education, Culture, Sports, Science and Technology 2020: Member, Future Planning and Coordination Committee, Common Achievement Tests Implementation and Evaluation Organization for Medical Schools (Public Interest Incorporated Association) 2023: Reference Participant, Dental Common Achievement Test Subcommittee, Medical Council, Ministry of Health, Labour and Welfare 2024: Vice Chairman, Common Achievement Tests Implementation and Evaluation Organization for Medical Schools (Public Interest Incorporated Association) (current)
1955-10-04
Yugo TAUCHI
Director
Feb 2016: Joined EY ShinNihon LLC Sep 2019: Registered as Certified Public Accountant Aug 2024: Joined Acropolis Advisors Co., Ltd. Sep 2024: Director, the Company (current) Sep 2025: Established Tauchi CPA Office, Representative (current) Feb 2026: Outside Audit & Supervisory Board Member, bloom Co., Ltd. (current) Jul 2026: Outside Audit & Supervisory Board Member, HapInS Co., Ltd. (current)
1992-08-01
Isao TAKIGAWA
Audit & Supervisory Board Member
Apr 1986: Joined The Bank of Tokyo, Ltd. (currently MUFG Bank, Ltd.) Feb 2007: Seconded to Kanematsu Corporation, Head of Corporate Planning Office Jul 2009: General Manager, San Francisco Branch, The Bank of Tokyo-Mitsubishi UFJ, Ltd. (currently MUFG Bank, Ltd.) Jan 2012: General Manager, Paris Branch, The Bank of Tokyo-Mitsubishi UFJ, Ltd. Jan 2017: General Manager, Overseas Business Division, Nagatanien Holdings Co., Ltd. Apr 2020: General Manager, Africa Development Office, Overseas Business Division, Saraya Co., Ltd. Jun 2023: Executive Officer, Bamboo Airways (Hanoi, Vietnam) Jul 2024: Representative Director, President, Takigawa & Associates Co., Ltd. (current) Sep 2026: Audit & Supervisory Board Member, the Company (current)
1963-07-19
Masao AMANO
Audit & Supervisory Board Member
Nov 2004: Passed the National Bar Examination Oct 2006: Registered as Attorney-at-Law Oct 2006: Joined Yamamoto Yasushi Law Office Jul 2014: Established Kohoku Sogo Law Office, Representative (current) Sep 2026: Audit & Supervisory Board Member, the Company (current)
1974-09-11
Large Shareholding Reports
No filings
Disclosures
No disclosures
Primary Source Filings
EDINET
2026-09-24
Annual Securities Report
Period: Jul 2025 – Jun 2026
TDnet
2026-08-07
Full-Year Earnings Flash
FY ending Jun 2026
TDnet
2026-05-13
Q3 Earnings Flash
FY ending Jun 2026
EDINET
2026-02-13
Semi-Annual Securities Report
Period: Jul 2025 – Jun 2026
TDnet
2025-11-13
Q1 Earnings Flash
FY ending Jun 2026
EDINET
2025-09-25
Annual Securities Report
Period: Jul 2024 – Jun 2025
TDnet
2025-05-13
Q3 Earnings Flash
FY ending Jun 2025
EDINET
2025-02-13
Semi-Annual Securities Report
Period: Jul 2024 – Jun 2025
TDnet
2024-11-13
Q1 Earnings Flash
FY ending Jun 2025
EDINET
2024-09-30
Annual Securities Report
Period: Jul 2023 – Jun 2024
EDINET
2024-05-13
Quarterly Securities Report
Period: Jan 2024 – Mar 2024
EDINET
2024-02-13
Quarterly Securities Report
Period: Oct 2023 – Dec 2023
EDINET
2023-11-13
Quarterly Securities Report
Period: Jul 2023 – Sep 2023
EDINET
2023-09-29
Annual Securities Report
Period: Jul 2022 – Jun 2023
EDINET
2023-05-12
Quarterly Securities Report
Period: Jan 2023 – Mar 2023
EDINET
2023-02-13
Quarterly Securities Report
Period: Oct 2022 – Dec 2022
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