Overview
Machinery

J.E.T.Co.,LTD.

J.E.T. is a Japanese manufacturer of semiconductor cleaning equipment used in the front-end process of semiconductor fabrication, offering both batch-type (BW3700, BW3000, BW2000) and single-wafer-type (HTS-300) wet cleaning systems for 200mm and 300mm wafers. The company differentiates through its proprietary F-Type batch architecture, which enables highly customizable cleaning tank configurations to maximize wafer throughput per hour, and its HTS-300 single-wafer system capable of high-temperature processing up to 240°C. Primary customers are semiconductor manufacturers in South Korea, China, and Taiwan, with sales activities also expanded to Japan and the United States since January 2024.

Market Cap
¥7.19B
US$45.9M
EV
¥10.1B
US$64.5M
Stock¥548▼-0.36%
US$1 = ¥156.80 (2026-10-23)
LTM EV/EBITDA
NM
LTM EV/EBIT
NM
LTM PER
NM
LTM PBR
0.8
x
Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-56.2%pt
100
Oct 24, 25 – Oct 23, 26StockTOPIX
MC → EV Bridge
7.19BUS$45.9MMarket Cap5.72BUS$36.5M+ Debt2.81BUS$17.9M− Cash0.00BUS$0.00M− Inv. Sec.10.1BUS$64.5MEV
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Performance & Balance
Revenue 5Y (¥B)
23.1US$148M'23/1219.3US$123M'24/1214.7US$93.5M'25/12
EBITDA 5Y (¥B)
2.87US$18.3M'23/121.24US$7.90M'24/12-1.40-US$8.93M'25/12
Net Income 5Y (¥B)
1.13US$7.20M'23/120.54US$3.44M'24/12-2.34-US$14.9M'25/12
Capital Structure
60%
40%
EquityD/E 0.66xDebt
Liquidity vs Debt 5Y (¥B)▼ Net Debt
CashInv. Sec.Debt
3.32US$21.2M6.70US$42.7M'23/122.17US$13.9M7.56US$48.2M'24/122.04US$13.0M4.87US$31.1M'25/12
Shareholders
Top 10 hold 69.3%
1
KOREA SECURITIES DEPOSITORY-SAMSUNG
66.34%
2
Akio NAKANISHI
0.49%
3
Masayuki FUSANO
0.41%
4
NOMURA INTERNATIONAL PLC A/C JAPAN FLOW
0.35%
5
JPMorgan Securities Japan Co., Ltd.
0.32%
6
Hiroyuki HIRAI
0.31%
7
Rakuten Securities, Inc. (Joint Account)
0.30%
8
Masami SUNAGA
0.29%
9
Yamaga Holdings Co., Ltd.
0.26%
10
Takashi MASUDA
0.25%
Management
10 officers
Masayuki FUSANO
Representative Director, CEO
Apr 1981 Joined Bono Co., Ltd. Apr 1984 Joined Yasuhara Sangyo Co., Ltd. Apr 1990 Joined Setouchi Engineering Co., Ltd. Jan 1992 Joined Kowa Sekkei Ltd. Apr 1995 Joined Sugai Co., Ltd. (renamed S.E.S. Co., Ltd.) Jun 2004 Executive Officer, S.E.S. Co., Ltd. Apr 2009 Established the Company; Director of the Company Mar 2012 Managing Director of the Company Mar 2013 Representative Director, President of the Company Oct 2021 Representative Director, President, J.E.T. Agri Co., Ltd. Jan 2025 Representative Director, CEO and CTO of the Company May 2026 Representative Director, CEO of the Company (current)
1958-07-04
Hiroyuki HIRAI
Representative Director, Senior Managing Director
Apr 1983 Joined Sanpei Kogyo Co., Ltd. Apr 1985 Joined Sugai Co., Ltd. (renamed S.E.S. Co., Ltd.) Jun 2004 Managing Executive Officer, S.E.S. Co., Ltd. Jun 2008 Director, S.E.S. Co., Ltd. Apr 2009 Established the Company; Director of the Company Mar 2013 Managing Director of the Company Mar 2015 Senior Managing Director of the Company Sep 2020 Chairman, J.E.T. Korea Co., Ltd. May 2026 Representative Director, Senior Managing Director of the Company (current)
1965-02-20
Takashi MASUDA
Managing Director
Apr 1985 Joined Daito Shoji Co., Ltd. (now Daitron Co., Ltd.) Jan 1994 Joined Sankyo Technica Co., Ltd. (renamed S.E. Techno Co., Ltd.) Oct 1999 Executive Officer, S.E. Techno Co., Ltd. Apr 2001 Director, S.E. Techno Co., Ltd. Apr 2006 Transferred to S.E.S. Co., Ltd.; Executive Officer, General Manager, Solar Cell Business Division Apr 2008 Transferred to S.E. Techno Co., Ltd.; Managing Director Jun 2010 Joined the Company; General Manager, Solar Cell Division Mar 2013 Director of the Company Mar 2015 Managing Director of the Company (current) May 2018 Chairman, Xieyu International Technology Co., Ltd. Mar 2019 Chairman, Jieyi Technology (Shanghai) Co., Ltd. (now Oulibai Technology (Shanghai) Co., Ltd.)
1962-12-26
Satoshi ITO
Director
Mar 1988 Joined Sankyo Engineering Co., Ltd. (renamed S.E.S. Co., Ltd.) May 2009 Established FIT Co., Ltd.; Representative Director Apr 2022 Joined the Company; Senior Manager, Corporate Planning Office Jul 2023 Representative Director, President, J.E.T. Agri Co., Ltd. (current) Jan 2024 General Manager, Management Administration Division of the Company Apr 2024 Executive Officer, General Manager, Management Administration Division of the Company Jan 2025 Executive Officer, CFO and CSO, in charge of Management Administration Division of the Company Mar 2025 Director, CFO and CSO of the Company May 2026 Director of the Company (current)
1967-10-26
Hirohisa TABUCHI
Director
Apr 1975 Joined The Hiroshima Bank, Ltd. Apr 1995 Branch Manager, Misuga-oka Branch, The Hiroshima Bank, Ltd. Feb 2006 Auditor, Internal Audit Department, The Hiroshima Bank, Ltd. Oct 2006 Seconded to Life Net Namba Co., Ltd. Apr 2007 Representative Director, President, Life Net Namba Co., Ltd. Apr 2009 Joined Kurtz Co., Ltd.; Advisor Jun 2010 Full-time Corporate Auditor, Kurtz Co., Ltd. Mar 2018 Director of the Company (current)
1951-10-26
Tetsuya OKUDA
Director
Apr 1984 Joined Okayama Prefectural Government Apr 1993 Registered as attorney, Okayama Bar Association Apr 1997 Established Okuda Law Office (current) Apr 2006 Vice President, Okayama Bar Association Apr 2010 Family Conciliation Commissioner, Okayama Family Court (current) Jun 2018 Audit & Supervisory Board Member, Tomato Bank, Ltd. (current) Apr 2020 President, Okayama Family Conciliation Association (current) Sep 2020 Director of the Company (current)
1961-08-29
Minoru FUKAO
Director
Apr 1982 Joined Taiyo Tekko Co., Ltd. (now TAIYO Co., Ltd.) Apr 2009 General Manager, Sales Planning Department, Sales Division, TAIYO Co., Ltd. Apr 2011 General Manager, Pricing Promotion Office, TAIYO Co., Ltd. Apr 2013 Executive Officer, General Manager, Materials Division, TAIYO Co., Ltd. Mar 2015 Executive Officer, General Manager, Pneumatic Equipment Division, TAIYO Co., Ltd. Mar 2018 Senior Executive Officer, General Manager, Sales Division, TAIYO Co., Ltd. Mar 2023 Resigned from TAIYO Co., Ltd. Mar 2025 Director of the Company (current)
1959-11-17
Shiro IMAI
Full-time Audit & Supervisory Board Member
Apr 1979 Joined Fujiparts Co., Ltd. Jul 1986 Joined N.M.B Semiconductor Co., Ltd. (now U.M.C. Japan Co., Ltd.) May 2009 Joined the Company; General Manager, Production Control Department Mar 2018 Audit & Supervisory Board Member of the Company (current)
1954-11-29
Koji TERAO
Audit & Supervisory Board Member
Oct 1981 Joined Osaka Office, Tohmatsu & Aoki Audit Corporation (now Deloitte Touche Tohmatsu LLC) Dec 1985 Left Osaka Office, Tohmatsu & Aoki Audit Corporation Jan 1986 Established Terao CPA Office (current) Mar 1986 Registered as certified tax accountant Aug 2002 Audit & Supervisory Board Member, Daikokuten Bussan Co., Ltd. (current) Jun 2015 Audit & Supervisory Board Member, SOMPO Care Message Co., Ltd. Sep 2020 Audit & Supervisory Board Member of the Company (current)
1958-04-28
Jitsuji YAMAMOTO
Audit & Supervisory Board Member
Mar 1981 Joined Hagiwara Industries Co., Ltd. May 2012 Executive Officer, General Manager, Strategic Planning Office, Synthetic Resin Business Division, Hagiwara Industries Co., Ltd. Sep 2021 Resigned from Hagiwara Industries Co., Ltd. Mar 2023 Audit & Supervisory Board Member of the Company (current)
1956-09-23
Large Shareholding Reports
No filings
Disclosures
Executive Change
2026-09-25
Primary Source Filings
TDnet
2026-09-25
Executive Change
EDINET
2026-08-14
Semi-Annual Securities Report
Period: Jan 2026 – Dec 2026
EDINETAmended
2026-06-24
Amended Semi-Annual Securities Report
Period: Jan 2024 – Dec 2024
EDINETAmended
2026-06-24
Amended Annual Securities Report
Period: Jan 2024 – Dec 2024
EDINETAmended
2026-06-24
Amended Annual Securities Report
Period: Jan 2025 – Dec 2025
EDINET
2026-05-29
Annual Securities Report
Period: Jan 2025 – Dec 2025
TDnetAmended
2026-05-29
Q3 Earnings Flash
FY ending Dec 2025
EDINETAmended
2026-05-29
Amended Semi-Annual Securities Report
Period: Jan 2025 – Dec 2025
EDINETAmended
2026-05-29
Amended Semi-Annual Securities Report
Period: Jan 2024 – Dec 2024
EDINETAmended
2026-05-29
Amended Annual Securities Report
Period: Jan 2024 – Dec 2024
EDINETAmended
2026-05-29
Amended Annual Securities Report
Period: Jan 2023 – Dec 2023
EDINETAmended
2026-05-29
Amended Securities Registration Statement
TDnetAmended
2026-05-29
Q1 Earnings Flash
FY ending Dec 2025
EDINETAmended
2026-05-29
Amended Quarterly Securities Report
Period: Jul 2023 – Sep 2023
EDINETAmended
2026-05-29
Amended Quarterly Securities Report
Period: Jan 2024 – Mar 2024
TDnet
2025-11-07
Q3 Earnings Flash
FY ending Dec 2025
EDINET
2025-08-08
Semi-Annual Securities Report
Period: Jan 2025 – Dec 2025
TDnet
2025-05-09
Q1 Earnings Flash
FY ending Dec 2025
EDINETAmended
2025-05-01
Amended Annual Securities Report
Period: Jan 2024 – Dec 2024
EDINET
2025-03-27
Annual Securities Report
Period: Jan 2024 – Dec 2024
EDINET
2024-08-09
Semi-Annual Securities Report
Period: Jan 2024 – Dec 2024
EDINETAmended
2024-07-18
Amended Annual Securities Report
Period: Jan 2023 – Dec 2023
EDINET
2024-05-10
Quarterly Securities Report
Period: Jan 2024 – Mar 2024
EDINETAmended
2024-05-01
Amended Annual Securities Report
Period: Jan 2023 – Dec 2023
EDINET
2024-03-28
Annual Securities Report
Period: Jan 2023 – Dec 2023
EDINET
2023-11-14
Quarterly Securities Report
Period: Jul 2023 – Sep 2023
EDINETAmended
2023-09-14
Amended Securities Registration Statement
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