Overview
Metal Products

ALPHA Corporation

Alpha Corporation is a comprehensive lock and key manufacturer supplying mechanical and electronic components — including steering locks, key cylinders, keyless entry systems, and intelligent key systems — as well as door handles to major automotive OEMs across Japan, North America, Asia, and Europe. The company also operates a Security Equipment segment providing residential locks using contactless authentication technology, industrial locks for vending machines and equipment, coin lockers installed at stations and leisure facilities, and parcel delivery boxes for residential properties. With 16 consolidated subsidiaries spanning the US, Mexico, Thailand, China, India, Czech Republic, France, and Slovakia, Alpha maintains a globally diversified manufacturing and sales network primarily serving the automotive industry.

Market Cap
¥11.6B
US$73.7M
EV
¥18.2B
US$116M
Stock¥1,204▼-0.33%
US$1 = ¥157.05 (2026-10-22)
LTM EV/EBITDA
3.6
x
LTM EV/EBIT
13.9
x
LTM PER
9.6
x
LTM PBR
0.3
x
Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-19.9%pt
100
Oct 23, 25 – Oct 23, 26StockTOPIX
MC → EV Bridge
11.6BUS$73.7MMarket Cap21.4BUS$136M+ Debt10.0BUS$63.9M− Cash5.56BUS$35.4M− Inv. Sec.0.83BUS$5.30M+ NCI18.2BUS$116MEV
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Performance & Balance
Revenue 5Y (¥B)
53.8US$342M'22/362.9US$400M'23/374.5US$475M'24/373.5US$468M'25/372.7US$463M'26/3
EBITDA 5Y (¥B)
3.92US$25.0M'22/34.26US$27.1M'23/36.00US$38.2M'24/34.48US$28.5M'25/34.50US$28.6M'26/3
Net Income 5Y (¥B)
0.60US$3.82M'22/30.52US$3.34M'23/31.80US$11.5M'24/3-0.30-US$1.92M'25/31.38US$8.81M'26/3
Capital Structure
64%
36%
EquityD/E 0.56xDebt
Liquidity vs Debt 5Y (¥B)▼ Net Debt
CashInv. Sec.Debt
9.53US$60.7M16.4US$105M'22/310.2US$65.0M17.6US$112M'23/314.2US$90.2M17.4US$111M'24/314.2US$90.7M17.7US$113M'25/315.7US$100M20.8US$132M'26/3
Shareholders
Top 10 hold 36.6%
1
HI-LEX CORPORATION
17.79%
2
NISSAN TOKYO SALES HOLDINGS CO.,LTD.
3.94%
3
Sumitomo Mitsui Banking Corporation
2.88%
4
ALPHA CO.,LTD. Employee Stock Ownership Association
2.02%
5
Hiroshi ENDO
1.93%
6
FP Growth Support A Investment Limited Partnership
1.87%
7
BNYM RE BNYMLB RE GPP CLIENT MONEY AND ASSETS AC (Standing Proxy: MUFG Bank, Ltd.)
1.66%
8
Mizuho Bank, Ltd.
1.56%
9
The Bank of Yokohama, Ltd.
1.56%
10
Yosuke WADA
1.40%
Management
10 officers
Tetsuyuki TSUKANO
Representative Director, President and Executive Officer, Chief Environmental Officer
Apr 1987 Joined Kokusan Kinzoku Kogyo Co., Ltd. (current: Alpha Corporation) Apr 2009 General Manager, Design Department, Automotive Parts Business Division, the Company Apr 2017 Deputy General Manager, Technology Division, and General Manager, Design Department, the Company Apr 2018 Executive Officer, Deputy General Manager, Technology Division, and General Manager, Design Department, the Company Apr 2021 President and Executive Officer, the Company Jun 2021 Representative Director, President and Executive Officer, the Company (current) Apr 2023 Chief Environmental Officer, the Company (current)
1964-07-28
Akira IRISAWA
Director, Vice President and Executive Officer, General Manager, Corporate Planning Division
Apr 1985 Joined Nissan Motor Co., Ltd. Apr 2012 General Manager, Purchasing Control Department, Nissan Motor Co., Ltd. Apr 2016 Joined the Company; Managing Executive Officer, General Manager, Business Division Apr 2017 Chairman, ALPHA (GUANGZHOU) AUTOMOTIVE PARTS CO., LTD.; Chairman, ALPHA (XIANGYANG) AUTOMOTIVE PARTS CO., LTD. Jun 2017 Director, the Company (current) Apr 2021 Vice President and Executive Officer, the Company (current); in charge of Automotive Parts Business Apr 2025 General Manager, Corporate Planning Division, the Company (current)
1962-10-21
Masaaki YAMAMOTO
Director, Senior Managing Executive Officer, General Manager, Automotive Parts Business Division
Apr 1985 Joined Kokusan Kinzoku Kogyo Co., Ltd. (current: Alpha Corporation) Apr 2009 General Manager, Business Planning Department, Automotive Parts Business Division, the Company Apr 2011 Executive Officer, Automotive Parts Business Division, the Company; in charge of sales Apr 2013 Managing Executive Officer, Deputy General Manager, Automotive Parts Business Division, the Company; in charge of sales Jun 2013 Director, the Company (current) Apr 2014 General Manager, Sales Division, the Company Apr 2025 Senior Managing Executive Officer, the Company (current); General Manager, Automotive Parts Business Division (current) Chairman, ALPHA (GUANGZHOU) AUTOMOTIVE PARTS CO., LTD. (current)
1962-01-06
Yoshiaki SAKAMOTO
Director, Managing Executive Officer, General Manager, Manufacturing Center, Automotive Parts Business Division
Apr 1981 Joined Kokusan Kinzoku Kogyo Co., Ltd. (current: Alpha Corporation) Apr 2004 General Manager, Technology Department, Automotive Parts Business Division, the Company Apr 2015 Managing Director, ALPHA INDUSTRY (Thailand) CO., LTD. Apr 2017 Executive Officer, the Company; President and Director, ALPHA INDUSTRY (Thailand) CO., LTD. Apr 2019 Managing Executive Officer, the Company (current); President and Director, ALPHA INDUSTRY QUERETARO, S.A. DE C.V. Jun 2021 Director, the Company (current) Apr 2022 General Manager, Technology Division, the Company Apr 2025 General Manager, Manufacturing Center, Automotive Parts Business Division, the Company (current)
1962-11-24
Makoto UCHIYAMA
Director, Managing Executive Officer, General Manager, Housing Equipment Business Division
Apr 1984 Joined Kokusan Kinzoku Kogyo Co., Ltd. (current: Alpha Corporation) Apr 2010 Plant Manager, Yamanashi Plant, Housing Equipment Business Division, the Company Jan 2014 Vice President, ALPHA HOUSING HARDWARE (THAILAND) CO., LTD. Apr 2015 Executive Officer, the Company; President and Director, ALPHA HOUSING HARDWARE (THAILAND) CO., LTD. Apr 2017 Deputy General Manager, Housing Equipment Business Division (in charge of product development and quality assurance), the Company Apr 2021 Managing Executive Officer, the Company (current); Chairman and Director, ALPHA HOUSING HARDWARE (THAILAND) CO., LTD. Apr 2025 General Manager, Housing Equipment Business Division, the Company (current); Director, ALPHA HOUSING HARDWARE (THAILAND) CO., LTD. (current) Jun 2025 Director, the Company (current)
1961-04-20
Kozue KOSAKA
Director
Nov 2007 Entered the Legal Training and Research Institute of the Supreme Court of Japan Dec 2008 Completed the Legal Training and Research Institute of the Supreme Court of Japan Dec 2008 Registered as attorney-at-law with the Tokyo Bar Association; joined Kayaba Kenichiro Law Office (current) Jun 2015 Outside Director, the Company (current)
1983-01-18
Kazutoshi ISOGAI
Director
Apr 1979 Joined Asahi Accounting Corporation (current: Azsa LLC) May 2002 Representative Partner, Asahi Accounting Corporation Oct 2004 Head of Yokohama Office, Asahi Accounting Corporation Jul 2018 Representative Director, Nihonbashi Accounting Co., Ltd. (current) Jun 2019 Outside Director, the Company (current) Mar 2020 Outside Director (Audit and Supervisory Committee Member), Create Medic Co., Ltd. (current) Mar 2026 Outside Director (Audit and Supervisory Committee Member), Tokei Densan Co., Ltd. (current)
1955-12-21
Kuniyasu TSUZUKI
Full-time Audit and Supervisory Board Member
Apr 1985 Joined Nissan Motor Co., Ltd. Apr 2014 Joined the Company; General Manager, Product Planning Department, Sales Division Apr 2015 Deputy General Manager, Sales Division, and Executive Officer, the Company Apr 2019 In charge of European strategy, the Company Apr 2020 Regional Officer, Europe, the Company; CEO, Alpha Vehicle Security Solutions Czech s. r. o. Apr 2021 CEO, Société de Peinture de Pièces Plastiques SAS (current: Alpha France S.A.S.) Apr 2023 Advisor, the Company Jun 2023 Full-time Audit and Supervisory Board Member, the Company (current)
1957-09-16
Hiroaki TAKIGAWA
Audit and Supervisory Board Member
Apr 1977 Joined Metropolitan Police Department; appointed Police Constable Sep 2006 Chief, Akishima Police Station, Metropolitan Police Department Feb 2009 Chief Instructor, General Education Department, National Police Academy Feb 2011 Director General, Driver's License Headquarters, Metropolitan Police Department Aug 2012 Counselor, Community Affairs Department, Metropolitan Police Department Aug 2013 Commander, Eighth Regional Headquarters, and concurrently Counselor, General Affairs Department, Metropolitan Police Department Apr 2015 Joined Showa Shell Sekiyu K.K. Apr 2019 Joined Idemitsu Kosan Co., Ltd. Apr 2023 Joined Quaras Co., Ltd.; Security Advisor (current) Jun 2023 Outside Audit and Supervisory Board Member, the Company (current)
1955-01-11
Yozo TAKIGAWA
Audit and Supervisory Board Member
Apr 1984 Joined Sumitomo Bank, Ltd. (current: Sumitomo Mitsui Banking Corporation) Apr 2008 General Manager, Structured Finance Credit Examination Department, Sumitomo Bank, Ltd. Apr 2014 Executive Officer, General Manager, International Credit Management Department, Sumitomo Bank, Ltd. Apr 2015 Managing Executive Officer, Deputy Chief Officer, International Division, Sumitomo Bank, Ltd. Jun 2017 Full-time Audit and Supervisory Board Member, Sumitomo Bank, Ltd. Jun 2019 Director, Full-time Audit and Supervisory Committee Member, Sumitomo Bank, Ltd. Jun 2021 Senior Managing Executive Officer, Ginsen Co., Ltd. Jun 2022 Full-time Audit and Supervisory Board Member, Ginsen Co., Ltd. Jun 2025 Outside Audit and Supervisory Board Member, the Company (current)
1961-08-14
Large Shareholding Reports
No filings
Disclosures
No disclosures
Primary Source Filings
TDnet
2026-08-06
Q1 Earnings Flash
FY ending Mar 2027
EDINET
2026-06-23
Annual Securities Report
Period: Apr 2025 – Mar 2026
TDnet
2026-02-12
Q3 Earnings Flash
FY ending Mar 2026
EDINET
2025-11-13
Semi-Annual Securities Report
Period: Apr 2025 – Sep 2025
TDnet
2025-08-07
Q1 Earnings Flash
FY ending Mar 2026
EDINET
2025-06-24
Annual Securities Report
Period: Apr 2024 – Mar 2025
TDnet
2025-02-13
Q3 Earnings Flash
FY ending Mar 2025
EDINET
2024-11-08
Semi-Annual Securities Report
Period: Apr 2024 – Sep 2024
TDnet
2024-08-08
Q1 Earnings Flash
FY ending Mar 2025
EDINET
2024-06-26
Annual Securities Report
Period: Apr 2023 – Mar 2024
EDINET
2024-02-14
Quarterly Securities Report
Period: Apr 2023 – Dec 2023
EDINETAmended
2023-11-22
Amended Quarterly Securities Report
EDINETAmended
2023-11-22
Amended Quarterly Securities Report
Period: Apr 2023 – Sep 2023
EDINET
2023-11-10
Quarterly Securities Report
Period: Apr 2023 – Sep 2023
EDINET
2023-08-10
Quarterly Securities Report
Period: Apr 2023 – Jun 2023
EDINET
2023-06-23
Annual Securities Report
Period: Apr 2022 – Mar 2023
EDINET
2023-02-10
Quarterly Securities Report
Period: Apr 2022 – Dec 2022
EDINET
2022-11-10
Quarterly Securities Report
EDINET
2022-08-10
Quarterly Securities Report
EDINET
2022-06-24
Annual Securities Report
EDINET
2022-02-10
Quarterly Securities Report
EDINET
2021-11-11
Quarterly Securities Report
EDINET
2021-08-06
Quarterly Securities Report
EDINET
2021-06-24
Annual Securities Report
EDINET
2021-02-10
Quarterly Securities Report
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