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Overview

Electric Appliances

DAISHINKU CORP.

Daishinku Corp. (KDS) is a comprehensive manufacturer of crystal devices, producing and selling quartz crystal-based electronic components including crystal resonators (MHz and kHz band), crystal oscillators (standard, voltage-controlled, temperature-compensated, and high-precision), crystal filters, and MEMS oscillators. The company serves a broad range of markets including automotive electronics, mobile/IoT, network/infrastructure, and factory automation equipment. Daishinku operates across the full value chain from raw artificial quartz materials through to finished components, supported by global manufacturing and sales subsidiaries.

Market Cap

¥22.7B

US$145M

¥51.4B

US$327M

Stock¥715▼-0.56%

US$1 = ¥157.05 (2026-10-22)

LTM EV/EBITDA

9.6

LTM EV/EBIT

40.2

LTM PER

29.0

LTM PBR

0.6

Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-1.5%pt

Oct 23, 25 – Oct 23, 26StockTOPIX

1Feb 16, 26Q4 earnings release & dividend increase announcement

MC → EV Bridge

AI Briefing

KDS: vertically integrated crystal device maker spanning resonators, oscillators, filters, MEMS for auto, IoT, telecom and industrial. FY26/3 revenue ¥39.6B with OP margin compressed to 2.9%, down sharply from 11.0% in FY23/3. Margin erosion despite stable topline flags structural profitability pressure; leveraged balance sheet (EV ¥53.5B vs ¥24.8B cap) underscores re-rating risk.

Performance & Balance

Revenue 5Y (¥B)

EBITDA 5Y (¥B)

Net Income 5Y (¥B)

Capital Structure

50%

EquityD/E 1.00xDebt

Liquidity vs Debt 5Y (¥B)▼ Net Debt

CashInv. Sec.Debt

Shareholders

Top 10 hold 34.5%

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

The Master Trust Bank of Japan, Ltd. (Trust Account)

8.18%

General Incorporated Foundation Hasegawa Welfare Foundation

7.55%

MUFG Bank, Ltd.

3.12%

The Joyo Bank, Ltd.

3.08%

Sohei HASEGAWA

3.06%

DAISHINKU CORP. Employee Stock Ownership Association

2.50%

Hasegawa Co., Ltd.

2.01%

The Dai-ichi Life Insurance Company, Limited

1.79%

Nippon Life Insurance Company

1.59%

Sumitomo Life Insurance Company

1.58%

Management

9 officers

Minoru IIZUKA

Representative Director, Chairman; Head, Σ-TI Promotion Office

Apr 1985 Joined the Company Feb 2004 Head, First Research Laboratory, Central Research Laboratories Jun 2014 Director Jul 2014 Deputy Head, Central Research Laboratories; Representative Director, DAISHINKU (DEUTSCHLAND) GmbH Apr 2015 Head, Production Division Jan 2017 Head, Product Division Apr 2017 Managing Director Jul 2018 In charge of Business Management Apr 2019 Senior Managing Director Oct 2019 Vice President, Director; Head, Technology Development Department Jul 2021 Representative Director, President Jan 2025 Head of Business Management, Production Division and Development Office May 2025 (no description in source) Jan 2026 Head, Business Management and Production Division Jun 2026 Representative Director, Chairman (current); Head, Σ-TI Promotion Office (current)

1961-09-14

Shinpei HASEGAWA

Representative Director, President

Jan 2006 Joined the Company Jan 2017 General Manager, Research Department Jul 2018 Executive Officer; Deputy Head, Sales Division Oct 2018 General Manager, Sales Strategy Department Apr 2019 Assistant in charge of Business Management Apr 2020 Deputy Head, Sales Division Jun 2020 Director Apr 2022 Managing Executive Officer; General Manager, President's Office Jan 2023 Senior Managing Executive Officer; Head, Sales Division Apr 2024 In charge of Business Management and Head, Sales Division Jun 2024 Managing Director Jan 2025 Deputy in charge of Business Management Jun 2025 Director; Senior Managing Executive Officer Jan 2026 In charge of Business Management; Representative Director, President (current)

1979-02-11

Masashi KAWASAKI

Director; Senior Managing Executive Officer; Head, Materials Division

Mar 1978 Joined the Company Nov 1990 General Manager, Technology Department, Tottori No. 2 Plant Apr 2002 General Manager, Production Technology Department Jul 2004 Head, Tokushima Plant Jul 2008 General Manager, Tianjin Daishinku Vacuum Co., Ltd. Apr 2015 Plant Manager, Kanzaki Plant Apr 2016 General Manager, Materials Business Division Jul 2018 Executive Officer; Head, Materials Division Jun 2020 Director Jul 2021 Managing Director Jan 2023 Head, Administration Division and Head, Materials Division Apr 2024 Head, Materials Division (current) Jun 2025 Director (current) Senior Managing Executive Officer (current)

1955-12-12

Kohei HASEGAWA

Director, Managing Executive Officer; Head, Administration Division

Apr 2003 Joined the Company Jan 2017 Group Leader, New Structure Products Group Jul 2018 Executive Officer; Head, New Structure Business Promotion Division Apr 2020 Head, New Business Promotion Division Apr 2022 Senior Executive Officer; General Manager, Alliance Promotion Office Jan 2024 Managing Executive Officer Jun 2024 Director Jul 2024 Administration Supervisor (current) Jun 2025 Director, Managing Executive Officer (current) Oct 2025 Head, Administration Division (current)

1981-03-14

Keiko IIJIMA

Director

Apr 1995 Appointed Judge (served in Sapporo, Chiba, Osaka, Matsue and Kyoto) Mar 2009 Retired from the judiciary Jun 2009 Registered as attorney-at-law (current) Jun 2016 Director (current) Jun 2022 Auditor, Keifuku Electric Railroad Co., Ltd. (current) Mar 2024 Director (Audit and Supervisory Committee Member), Optex Group Co., Ltd. (current)

1965-05-29

Toshiro HIROSHIMA

Director (Full-time Audit and Supervisory Committee Member)

Apr 1984 Joined the Company Apr 1999 Plant Manager, Kuroda-sho Plant Apr 2002 General Manager, Purchasing Department Apr 2015 General Manager, Production Control Department Apr 2016 General Manager, Production Department Jul 2018 Executive Officer; Head, Production Division and General Manager, Production Control Department Jun 2020 Director Apr 2022 Managing Executive Officer Oct 2022 Head, Production Division; General Manager, Production Control Department; Manager, Production Control Section Apr 2023 Head, Production Division Apr 2024 Deputy in charge of Business Management Jun 2024 Director (Full-time Audit and Supervisory Committee Member) (current)

1961-08-08

Toshiaki HANAZAKI

Director (Audit and Supervisory Committee Member)

Apr 1977 Joined Osaka Regional Taxation Bureau, National Tax Agency Jul 2006 Director, Kashiwara Tax Office Jul 2007 Head, Information Management Section, Investigation Division I, Osaka Regional Taxation Bureau Jul 2009 Head, Investigation Coordination Section, Investigation Division I, Osaka Regional Taxation Bureau Jul 2010 Director, Tondabayashi Tax Office Jul 2011 Head, Tax Litigation Office, Taxation Division I, Osaka Regional Taxation Bureau Jul 2012 Director, Himeji Tax Office Aug 2013 Representative, Hanazaki Tax Accountant Office (current) Jun 2016 Auditor Jun 2022 Director (Audit and Supervisory Committee Member) (current)

1952-05-25

Natsuko TOKAJI

Director

Dec 2013 Joined Fujio Food System Co., Ltd. Apr 2020 Associate Professor, Graduate School of Business Administration, Kobe University (current) Jun 2026 Director (scheduled to assume office)

1964-06-16

Yukiko HIRASAWA

Director (Audit and Supervisory Committee Member)

Apr 1982 Joined Osaka Regional Taxation Bureau Jul 2017 Director, Kainan Tax Office Jul 2022 Director, Kadoma Tax Office Sep 2024 Representative, Yukiko Hirasawa Tax Accountant Office (current) Jun 2025 Outside Director, Hosiden Corporation (current) Jun 2026 Director (Audit and Supervisory Committee Member) (scheduled to assume office)

1964-03-17

Large Shareholding Reports

No filings

Disclosures

No disclosures

Primary Source Filings

TDnet

2026-08-10

Q1 Earnings Flash

FY ending Mar 2027

DAISHINKU CORP.

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DAISHINKU CORP.

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