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Overview

Metal Products

Dainichi Co.,Ltd.

Dainichi Co., Ltd. is a Japanese manufacturer specializing in heating equipment (petroleum, electric, and gas heaters), environmental equipment (humidifiers, air purifiers, and fuel cell units), and other consumer appliances including coffee makers and garbage dryers. The company is known for its hybrid humidifiers and petroleum fan heaters, which hold strong brand recognition in the Japanese domestic market. All products are developed and manufactured with proprietary technology rooted in Niigata-based craftsmanship, with a focus on delivering comfort and safety to households.

Market Cap

¥17.7B

US$113M

¥2.35B

US$15.0M

Stock¥1,095▲+0.46%

US$1 = ¥156.80 (2026-10-23)

LTM EV/EBITDA

0.9

LTM EV/EBIT

1.3

LTM PER

11.4

LTM PBR

0.6

Stock vs TOPIX (1Y, base=100)vs TOPIX ▲+0.1%pt

Oct 24, 25 – Oct 23, 26StockTOPIX

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 50.0%

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

B.H. Co., Ltd.

11.38%

Dainichi Building Co., Ltd.

8.41%

JEFFERIES LLC-SPEC CUST AC FBO CUSTOMER (Standing Proxy: Citibank, N.A., Tokyo Branch)

6.02%

The Daishi Hokuetsu Bank, Ltd.

4.94%

Hikari Tsushin K.K. Investment Limited Partnership

3.54%

Hisao YOSHII

3.53%

Kumiko YOSHII

3.44%

Custody Bank of Japan, Ltd. (Trust Account)

3.36%

Dainichi Co.,Ltd. Employee Stock Ownership Association

2.98%

Rumiko ATSUMI

2.42%

Management

10 officers

Hisao YOSHII

Representative Director, Chairman

Apr 1969 Joined Yoshii Denki-ten Jan 1973 Joined the Company Apr 1977 Materials Section Manager Mar 1983 Director Feb 1987 Managing Director Feb 1992 Senior Managing Director Oct 1998 Representative Director, Senior Managing Director Jun 1999 Representative Director, President Jun 2015 Representative Director, Representative Officer, Sasaki Environmental Technology Promotion Foundation (General Incorporated Foundation) Jun 2022 Representative Director, Chairman (current)

1947-01-15

Yui YOSHII

Representative Director, President

Apr 2014 Joined the Company Apr 2014 Special Equipment Development Department Nov 2014 Development Department Apr 2015 General Manager, Business Planning Department Jun 2017 Director Jun 2018 General Manager, Administration Division Jun 2019 Managing Director Jun 2020 General Manager, Development Division Jun 2021 Representative Director, Senior Managing Director Jun 2022 Representative Director, President (current) Jul 2022 Representative Director, Representative Officer, Sasaki Environmental Technology Promotion Foundation (General Incorporated Foundation) Apr 2025 Representative Director, Representative Officer, Sasaki Environmental Technology Promotion Foundation (Public Interest Incorporated Foundation) (current)

1976-04-03

Takeshi NOGUCHI

Director, General Manager of Administration Division, General Manager of General Affairs Department and General Manager of Accounting Department

Apr 1997 Joined the Company Apr 1997 Sales Department Mar 2014 Manager, Public Relations Office Mar 2018 General Manager, General Affairs Department Jun 2019 Director (current) Jun 2022 General Manager, Administration Division (current) Sep 2025 General Manager, Accounting Department (current)

1974-09-28

Masahiro KAIHO

Director, General Manager of Production Division

Feb 2013 Joined the Company Feb 2013 System Development Office Jan 2015 Production Department Mar 2018 General Manager, Production Planning Department Jun 2019 Director (current) General Manager, Production Division (current)

1978-10-04

Atsushi HORIE

Director, General Manager of Development Division and General Manager of Technology Development Department

Apr 1996 Joined the Company Apr 1996 Development Department Mar 2018 General Manager, Air Conditioner Development Department Apr 2021 Executive Officer Apr 2022 General Manager, Product Development Department Apr 2026 General Manager, Technology Development Department (current) Apr 2026 General Manager, Development Division (current) Jun 2026 Director (current)

1970-06-24

Taichi YAHAGI

Director, General Manager of Sales Division

Apr 1997 Joined the Company Apr 1997 Sales Department Apr 2020 General Manager, East Japan First Sales Department Apr 2024 Executive Officer Jun 2024 General Manager, Sales Division (current) Jun 2026 Director (current)

1975-01-28

Toru NAKAMURA

Director, Full-time Audit and Supervisory Committee Member

Mar 1989 Joined the Company Mar 1989 Assembly Section Feb 2000 New Product Development Section Dec 2003 Materials Section Mar 2008 Manager, Quality Assurance Section Apr 2016 General Manager, Quality Assurance Department Apr 2021 Executive Officer Jun 2024 Director, Full-time Audit and Supervisory Committee Member (current)

1964-04-29

Kayo ISHIKAWA

Outside Director, Audit and Supervisory Committee Member

Dec 2013 Completed Legal Training at the Supreme Court of Japan; Registered as Attorney-at-Law Jan 2014 Joined DLA Piper Tokyo Partnership Feb 2018 Established Himesayuri Law Office; Representative Attorney (current) Jun 2023 Outside Director, Audit and Supervisory Committee Member of the Company (current)

1987-07-26

Yoshiaki WATANABE

Outside Director, Audit and Supervisory Committee Member

Oct 1992 Joined Ota Showa & Co.(currently EY ShinNihon LLC) Apr 1997 Registered as Certified Public Accountant Jul 1998 Left Ota Showa & Co. (Note 6) Aug 1998 Joined Watanabe Tax Accounting Office Feb 2002 Registered as Certified Tax Accountant Jan 2006 Partner, Koshi Audit Corporation Feb 2019 Representative, Watanabe Tax Accounting Office (current) Jul 2019 Representative Partner, Koshi Audit Corporation Jun 2022 Left Koshi Audit Corporation (Note 6) Jun 2025 Outside Director, Audit and Supervisory Committee Member of the Company (current)

1965-07-21

Yuma TANAKA

Outside Director, Audit and Supervisory Committee Member

Sep 2003 Joined Tanaka Tax Accounting Office Jun 2018 Registered as Certified Tax Accountant Apr 2023 Deputy Office Head, Tanaka Tax Accounting Office Jun 2025 Office Head, Tanaka Tax Accounting Office (current) Jun 2025 Outside Director, Audit and Supervisory Committee Member of the Company (current)

1977-12-05

Large Shareholding Reports

B.H. Co., Ltd.

2026-05-01

9.66%

Annual report (as of 2026-03-31): 11.38%

Rangeley Capital, LLC

2025-10-28

5.02%

Disclosures

No disclosures

Primary Source Filings

TDnet

2026-07-31

Q1 Earnings Flash

FY ending Mar 2027

Dainichi Co.,Ltd.

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Dainichi Co.,Ltd.

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