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Overview

Machinery

Unozawa-gumi Iron Works,Limited

Unozawa-Gumi Iron Works is a specialized manufacturer of fluid machinery, offering dry vacuum pumps, rotary blowers, and water-sealed vacuum pumps. The company pioneered the world's first dry vacuum pump in 1981, which has since become an industry standard globally. Its products serve major chemical manufacturers, a broad range of industrial users, and the medical sector, with manufacturing operations encompassing in-house machining, assembly, and inspection. The company also operates a real estate segment comprising building and parking lot leasing and management.

Market Cap

¥4.90B

US$31.2M

¥3.91B

US$24.9M

Stock¥4,435▼-2.74%

US$1 = ¥156.80 (2026-10-23)

LTM EV/EBITDA

4.1

LTM EV/EBIT

5.2

LTM PER

8.1

LTM PBR

1.2

Stock vs TOPIX (1Y, base=100)vs TOPIX ▲+3.7%pt

Oct 24, 25 – Oct 15, 26StockTOPIX

1Dec 11, 25Q3 earnings / upward profit revision

2Mar 11, 26FY earnings announcement / operating environment decline

3Aug 7, 26Q1 FY2027/03 earnings announced

MC → EV Bridge

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Performance & Balance

Revenue 5Y (¥B)

EBITDA 5Y (¥B)

Net Income 5Y (¥B)

Capital Structure

67%

33%

EquityD/E 0.50xDebt

Liquidity vs Debt 5Y (¥B)▲ Net Cash

CashInv. Sec.Debt

Shareholders

Top 10 hold 75.3%

as of 2026-03-31 · Source: Annual Securities Report

Unozawa Corporation

33.98%

Akihiko OTA

12.04%

Kashinome-kai Foundation (Public Interest Incorporated Foundation)

9.05%

TOKYU LAND CORPORATION

9.05%

Torao UNOZAWA

4.64%

Tachibana Securities Co., Ltd.

1.90%

INTERACTIVE BROKERS LLC (Standing Proxy: Interactive Brokers Securities Japan Inc.)

1.64%

Hiroyuki YOSHIOKA

1.11%

Takafumi ISHII

0.97%

Sanwa Kikai Co., Ltd.

0.96%

Management

8 officers

Torao UNOZAWA

Representative Director, Chairman

Apr 1963 Joined Kokoku Jinken Pulp Co., Ltd. Jun 1968 Joined the Company Dec 1974 Director; Deputy Manager, Shibuya Plant Sep 1975 Director; Manager, Shibuya Plant Sep 1977 Director; Manager, Tamagawa Plant Jul 1981 Representative Director (Managing Director) Jul 1986 Representative Director, President Jun 2016 Representative Director, Chairman (current) Concurrent: Representative Director, President, Unozawa Corporation

1939-03-21

Tsutomu HIGUCHI

Representative Director, President; in charge of Technology, Quality Assurance, Manufacturing and Materials Departments

Apr 1976 Joined the Company Apr 2001 Deputy Manager, Technology Department Apr 2004 Manager, Technology Department Jun 2005 Director Jun 2008 Managing Director Apr 2010 Manager, Technology Department and Manager, Quality Assurance Department Jun 2015 Same positions; also in charge of Sales Department Jun 2016 Representative Director, President; in charge of Technology, Quality Assurance and Sales Departments Apr 2017 Representative Director, President; Head of Sales Division; in charge of Technology and Quality Assurance Departments Jan 2019 Representative Director, President; in charge of Sales, Technology and Quality Assurance Departments Jun 2022 Representative Director, President; in charge of Technology and Quality Assurance Departments Jun 2023 Representative Director, President; in charge of Technology, Quality Assurance, Manufacturing and Materials Departments (current) Concurrent: None

1953-04-16

Masanobu SAWADA

Managing Director; Manager, Sales Department and Customer Service Department

Jan 1997 Joined the Company Apr 2006 Manager, Osaka Sales Office Aug 2014 Deputy Manager, Sales Department Apr 2017 Manager, Second Sales Department Jan 2019 Manager, Sales Department Jun 2022 Director; Manager, Sales Department and Customer Service Department (current) Jun 2025 Managing Director (current) Concurrent: None

1971-01-20

Takaharu TAKAGI

Director; Head of Administration Division, Manager of General Affairs Department and Manager of Finance Department

Apr 1989 Joined The Mitsui Bank, Limited (now Sumitomo Mitsui Banking Corporation) Jun 2019 Joined the Company; Manager, General Affairs Department Jun 2020 Director; Head of Administration Division, Manager of General Affairs Department and Manager of Finance Department (current) Concurrent: Director, Unozawa Corporation

1965-01-21

Toshihiro INOUE

Director

Apr 1983 Joined Zeon Corporation Apr 2014 Executive Officer and Manager, Latex Business Division, Zeon Corporation Jul 2019 Director and Factory Manager, TFC Co., Ltd. Jul 2020 Representative Director, President, Optes Co., Ltd. Jan 2022 Head of Preparation Office, Monozukuri Training Center, Himi Futagami Plant, Zeon Corporation Jun 2024 Director of the Company (current) Concurrent: None

1957-04-04

Toshiaki SAISHO

Full-time Audit & Supervisory Board Member

Apr 1968 Joined the Company Apr 2004 Deputy Manager, Sales Department Jun 2005 Manager, Sales Department Jun 2006 Director; Manager, Sales Department Jun 2015 Audit & Supervisory Board Member (current) Concurrent: None

1949-12-22

Ken NISHIMURA

Audit & Supervisory Board Member

Oct 2000 Registered as Attorney-at-Law Oct 2000 Joined Seiwa Kyodo Law Office (now Seiwa Meitetsu Law Office) Oct 2006 Partner, Seiwa Kyodo Law Office Jun 2015 Audit & Supervisory Board Member of the Company (current) Aug 2015 Outside Audit & Supervisory Board Member, ERI Holdings Co., Ltd. (current) Sep 2018 Partner, Comm&Path Law Office (current) Concurrent: Attorney-at-Law; Outside Audit & Supervisory Board Member, ERI Holdings Co., Ltd.

1973-02-25

Akira SEKIMOTO

Audit & Supervisory Board Member

Mar 1991 Registered as Certified Public Accountant Aug 1993 Registered as Licensed Tax Accountant Aug 1993 Opened Akira Sekimoto Certified Public Accountant and Tax Accountant Office (current) Jun 2018 Audit & Supervisory Board Member of the Company (current) Concurrent: Certified Public Accountant and Licensed Tax Accountant; Outside Audit & Supervisory Board Member, Tohatsu Corporation

1954-10-19

Large Shareholding Reports

No filings

Disclosures

No disclosures

Primary Source Filings

TDnet

2026-08-07

Q1 Earnings Flash

FY ending Mar 2027

Unozawa-gumi Iron Works,Limited

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Unozawa-gumi Iron Works,Limited

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