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Overview

Textiles and Apparels

AuBEX CORPORATION

Obex Co., Ltd. manufactures and sells Techno Products — including felt and plastic pen tips for marking pens and cosmetic applicators — as well as Medical Products such as the Bessel Fuser (drug infusion device) and vascular angiography guidewires. The company operates through three consolidated subsidiaries: Obex Technology Co., Ltd. (precision grinding of pen tips in Japan), Obex Medical Co., Ltd. (medical device manufacturing), and Tianjin Obex Giken Co., Ltd. (precision grinding and sales in China). With origins dating to 1892 as Japan's first hat manufacturer, the company pivoted to pen tip production in 1958 and has since built a specialized niche in precision-engineered writing instrument components and minimally invasive medical devices.

Market Cap

¥3.75B

US$23.9M

¥2.37B

US$15.1M

Stock¥1,373▲+0.59%

US$1 = ¥156.80 (2026-10-23)

LTM EV/EBITDA

2.5

LTM EV/EBIT

3.7

LTM PER

8.1

LTM PBR

0.5

Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-15.6%pt

Oct 24, 25 – Oct 23, 26StockTOPIX

MC → EV Bridge

AI Briefing

Generating insights…

Performance & Balance

Revenue 5Y (¥B)

EBITDA 5Y (¥B)

Net Income 5Y (¥B)

Capital Structure

82%

EquityD/E 0.22xDebt

Liquidity vs Debt 5Y (¥B)▲ Net Cash

CashInv. Sec.Debt

Shareholders

Top 10 hold 65.4%

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

Showa Chemical Industry Co.,Ltd.

15.61%

Aso Corporation

14.76%

WAKACHIKU CONSTRUCTION CO.,LTD.

14.02%

Custody Bank of Japan, Ltd. (Trust Account E)

9.26%

Noriyoshi KURIHARA

2.92%

Shudo FUJIMAKI

2.27%

Isamu AOKI

2.05%

Miyuki KIUCHI

1.58%

AuBEX CORPORATION Employee Stock Ownership Association

1.51%

Bestec Co., Ltd.

1.46%

Management

10 officers

Noriyoshi KURIHARA

Representative Director, President

Apr 1978: Joined the Company Apr 2000: Head of Techno Development Office, Techno Production Division Apr 2002: General Manager, Corporate Planning Division Jun 2004: Executive Officer, General Manager, Corporate Planning Division Jun 2007: Representative Director, President, AMI Laboratory Co., Ltd. (now Aubex Medical Co., Ltd.) Jun 2007: Director, General Manager, Corporate Planning Division Apr 2009: Director, General Manager, Medical Business Division Jun 2012: Representative Director, President (current)

1955-07-09

Hironari MURAKAMI

Director, General Manager of Techno Business Division and Head of Techno Segment

Apr 1983: Joined the Company Apr 2002: General Manager, Techno Sales Division Apr 2008: Senior General Manager, Techno Sales Division Apr 2009: Executive Officer, Deputy General Manager of Techno Business Division Jun 2012: Director, General Manager of Techno Business Division Jun 2024: Director, General Manager of Techno Business Division and Head of Techno Segment (current)

1960-02-26

Ryutaro SAKUTA

Director, General Manager of Medical Business Division

Apr 1979: Joined the Company Apr 2008: General Manager, Technical Department, Medical Business Division Jun 2012: General Manager, Medical Business Division Jun 2012: Representative Director, President, AMI Laboratory Co., Ltd. (now Aubex Medical Co., Ltd.) (current) Jun 2013: Executive Officer, General Manager, Medical Business Division Jun 2016: Director, General Manager of Medical Business Division (current)

1956-09-10

Takahiro TSUKAGOSHI

Director, General Manager of Administration Division

Apr 1981: Joined the Company Apr 2014: Section Manager, Administration Jun 2015: Executive Officer, General Manager of Administration Division Jun 2018: Director, General Manager of Administration Division (current)

1959-01-12

Takayoshi KATAYAMA

Director, Deputy General Manager of Techno Business Division

Apr 1987: Joined the Company Apr 2012: Plant Manager, Chiba Plant, Techno Business Division Jun 2014: Director, AMI Laboratory Co., Ltd. (now Aubex Medical Co., Ltd.) (current) Apr 2017: General Manager, Core Center, Techno Business Division Jun 2023: Executive Officer, General Manager, Core Center, Techno Business Division Jun 2024: Director, Deputy General Manager of Techno Business Division (current)

1964-01-30

Kenzo ISHIBASHI

Director

Jul 1998: Joined Showa Kagaku Kogyo Co., Ltd. Jun 2000: Director, Showa Kagaku Kogyo Co., Ltd. Oct 2001: Managing Director, Head of Production and Corporate Planning Office, Showa Kagaku Kogyo Co., Ltd. Mar 2003: Representative Director, President, Showa Kagaku Kogyo Co., Ltd. (current) Jun 2010: Director of the Company (current)

1968-11-09

Makoto NAKAMURA

Director

Apr 1983: Joined Wakachiku Construction Co., Ltd. Apr 2012: General Manager, General Affairs and Human Resources Department, Administration Division, Wakachiku Construction Co., Ltd. Jul 2012: General Manager, General Affairs and Human Resources Department, and General Manager, Corporate Planning Department, Administration Division, Wakachiku Construction Co., Ltd. Apr 2014: General Manager, Corporate Planning Department, Wakachiku Construction Co., Ltd. Jun 2015: Director and Executive Officer, in charge of Corporate Planning and General Manager, Corporate Planning Department, Wakachiku Construction Co., Ltd. Jun 2016: Director and Executive Officer, General Manager of Administration Division, in charge of Corporate Planning, and General Manager, Corporate Planning Department, Wakachiku Construction Co., Ltd. Jun 2017: Director of the Company (current) Jun 2018: Director and Managing Executive Officer, General Manager of Administration Division, in charge of Corporate Planning and General Manager, Corporate Planning Department, Wakachiku Construction Co., Ltd. Apr 2020: Director and Managing Executive Officer, General Manager of Management Division, in charge of Corporate Planning, Wakachiku Construction Co., Ltd. Apr 2021: Director and Managing Executive Officer, General Manager of Management Division, in charge of General Affairs, Human Resources and Corporate Planning, Wakachiku Construction Co., Ltd. Apr 2022: Director and Managing Executive Officer, General Manager of Management Division (current), Wakachiku Construction Co., Ltd.

1960-11-10

Tomokazu ISHIKAWA

Full-time Audit & Supervisory Board Member

Apr 1984: Joined the Company Apr 2016: General Manager, Tianjin Aubex Giken Co., Ltd. Apr 2017: Section Manager, Techno Sales, the Company Apr 2019: Vice Chairman, Tianjin Aubex Giken Co., Ltd. Oct 2019: Center Manager, Chiba New Tech Center, Techno Business Division, the Company Jun 2022: Director, Aubex Technology Co., Ltd. Jun 2025: Full-time Audit & Supervisory Board Member of the Company (current)

1962-05-25

Hirohiko HAMAUZU

Audit & Supervisory Board Member

Mar 1987: Joined Showa Kagaku Kogyo Co., Ltd. Sep 2007: General Manager, Accounting Department, Showa Kagaku Kogyo Co., Ltd. Apr 2015: General Manager, Accounting and Finance Department, Showa Kagaku Kogyo Co., Ltd. Apr 2022: General Manager, IT Innovation Promotion Office, Showa Kagaku Kogyo Co., Ltd. (current) Jun 2023: Audit & Supervisory Board Member of the Company (current)

1964-01-04

Yoshinobu HAMADA

Audit & Supervisory Board Member

Oct 2001: Registered as attorney-at-law Oct 2001: Joined Mino & Takada Law Office Apr 2021: Representative, Midori Sogo Law Office (current) Nov 2021: Audit & Supervisory Board Member of the Company (current)

1971-02-13

Large Shareholding Reports

Mizuho Trust & Banking Co., Ltd.

2026-07-07

9.86%→8.69%

Aso Co., Ltd.

2026-03-23

14.03%→14.41%

Annual report (as of 2026-03-31): 14.76%

Aso Co., Ltd.

2026-03-23

14.03%→14.41%

Annual report (as of 2026-03-31): 14.76%

Disclosures

No disclosures

Primary Source Filings

TDnet

2026-08-07

Q1 Earnings Flash

FY ending Mar 2027

AuBEX CORPORATION

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AuBEX CORPORATION

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