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Overview
Electric Appliances

TSUKUBASEIKO Co.,Ltd.

Tsukuba Seiko develops, manufactures, and sells electrostatic chuck (ESC) systems based on its proprietary electrostatic adsorption technology, for which it holds international patents. Its core products include fixed-type ESC stages for semiconductor and display manufacturing equipment, as well as the 'Supporter,' a cordless ESC carrier system designed to address wafer warpage and cracking during ultra-thin wafer processing. The company serves semiconductor manufacturers targeting advanced applications such as 5G communications and high-performance power semiconductors for electric vehicles.

Market Cap
¥—B
EV
¥—B
Stock¥990▲+0.00%
US$1 = ¥156.80 (2026-10-23)
LTM EV/EBITDA
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LTM EV/EBIT
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LTM PER
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LTM PBR
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Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-25.7%pt
100
Oct 31, 25 – Aug 31, 26StockTOPIX
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Performance & Balance
Revenue 5Y (¥B)
0.24US$1.51M'25/30.28US$1.77M'26/3
Net Income 5Y (¥B)
-0.07-US$0.44M'25/3-0.05-US$0.31M'26/3
Shareholders
Top 10 hold 74.4%
as of 2026-03-31 · Source: Annual Securities Report
1
VTONE Co., Ltd.
11.91%
2
INDUSTRIAL TECHNOLOGY INVESTMENT CORPORATION (Standing Proxy: Leading Securities Co.,Ltd)
10.54%
3
OPTORUN CO.,LTD.
7.51%
4
Astron Capital Co., Ltd.
7.38%
5
Naoshi KAKIZAKI
7.25%
6
Toshiro HIGUCHI
6.92%
7
TEL Venture Capital Inc. (Standing Proxy: Mita Securities Co., Ltd.)
6.84%
8
Fu BAOLAI
5.82%
9
Trueva Group Holdings Co., Ltd.
5.37%
10
Yasuko SAKAI
4.83%
Management
6 officers
Baolai FU
Representative Director, President
Jun. 2001 Joined Sanyo Silicon Electronics Co., Ltd. Oct. 2004 Joined the Company; Director, Head of Engineering Oct. 2009 Managing Director, Engineering May 2010 Representative Director, Executive Vice President May 2012 Representative Director, President & CEO (current)
1969-10-09
Hiroaki KOYATA
Director, Head of Engineering
Apr. 2002 Joined Kanto Sanyo Semiconductors Co., Ltd. May 2006 Joined the Company Apr. 2011 Section Manager, Engineering Department Mar. 2018 General Manager, Engineering Department Jun. 2020 Director, Head of Engineering & Production Engineering Mar. 2025 Director, Head of Engineering (current)
1976-06-13
Naruto YAMAGUCHI
Director, General Manager of Administration Division
Apr. 1997 Joined Harman Co., Ltd. Mar. 2008 Joined Misawa Co., Ltd. Jun. 2012 Joined Kokoroya Co., Ltd. (now Dining Factory Co., Ltd.); General Manager, Accounting & Finance Jun. 2013 Director, General Manager, Accounting & Finance, same company Jul. 2014 Joined Kids Corporation Co., Ltd.; Group Leader, Accounting & Finance Oct. 2015 General Manager, Accounting & Finance, same company Oct. 2017 General Manager, Corporate Management, same company Jan. 2018 Transferred to Kids Corporation Holdings Co., Ltd.; General Manager, Corporate Management Jun. 2019 General Manager, Accounting & Finance, same company Jan. 2020 Transferred to Kids Corporation Co., Ltd. Aug. 2020 Joined the Company Sep. 2023 General Manager, Administration Department Jun. 2024 Director, Head of Administration (current)
1975-01-15
Toshiro HIGUCHI
Director
Apr. 1977 Lecturer, Institute of Industrial Science, The University of Tokyo Apr. 1978 Associate Professor, Institute of Industrial Science, The University of Tokyo Nov. 1991 Professor, Faculty of Engineering, The University of Tokyo Apr. 1995 Professor, Graduate School of Engineering, The University of Tokyo Apr. 2005 Outside Director, the Company (current) Mar. 2015 Professor Emeritus, The University of Tokyo (current)
1950-02-26
Ken YAMAMOTO
Director
Apr. 1975 Joined Nomura Securities Co., Ltd. Jul. 2007 Joined Ace Securities Co., Ltd.; Deputy Head of Underwriting Division, Executive Officer Aug. 2009 Director (FAS), Kasumigaseki Audit Corporation (now Taiyo LLC) May 2011 Phillip Securities Japan, Ltd. Oct. 2014 General Manager, Corporate Finance, Leading Securities Co., Ltd. Apr. 2017 Manager, Investment Banking Division, I-R Japan Co., Ltd. Oct. 2023 Advisor, the Company Jun. 2024 Outside Director, the Company (current)
1951-03-11
Katsushi KANEIDA
Audit & Supervisory Board Member
Apr. 1972 Joined Hitachi, Ltd. Jun. 2000 Deputy General Manager, Home Appliance Division & General Manager, Finance, Hitachi, Ltd. Apr. 2002 Director, Head of Finance Division, Hitachi Home & Life Solutions, Inc. Jun. 2004 Director, Head of Finance, Hitachi Air Conditioning Systems Co., Ltd. Apr. 2006 Director, Head of Finance Division, Hitachi Appliances, Inc. Apr. 2009 Auditor, same company Jun. 2011 Auditor, Nippon Chemi-Con Corporation Jun. 2019 Full-time Auditor, the Company (current)
1948-10-02
Large Shareholding Reports
No filings
Disclosures
No disclosures
Primary Source Filings
TDnet
2026-06-26
発行者情報
FY ending Mar 2026
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