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Overview
Chemicals

クラサスケミカル（株）

The company operates in the petrochemical sector, producing and selling basic petrochemical products—ethylene, propylene, and butadiene—at the Oita Petrochemical Complex using diverse feedstocks including naphtha, LPG, and LNG. In the organic chemicals segment, it manufactures and sells derivatives such as vinyl acetate, ethyl acetate, and high-purity allyl alcohol, and also licenses proprietary manufacturing technologies to customers in China and India. Through its consolidated subsidiary Sun Allomer Ltd., the company produces and markets high-value-added polypropylene for automotive components, food containers, and electrical/electronic parts.

Market Cap
¥—B
EV
¥—B
Stock¥199.5▲+2.62%
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 ▼-4.9%pt
100
Oct 2, 26 – Oct 23, 26StockTOPIX
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Performance & Balance
Capital Structure
53%
47%
EquityD/E 0.88xDebt
Shareholders
No shareholder data
Management
6 officers
Koji FUKUDA
Representative Director, President
Apr. 1985: Joined Showa Denko K.K. (now Resonac Holdings Corporation). Jan. 2016: General Manager, Olefins Division, Petrochemicals Business Unit. Jan. 2018: Executive Officer, General Manager, Petrochemicals Business Unit, overseeing Oita Complex. Jan. 2022: Business Execution Officer, General Manager, Petrochemicals Business Unit. Aug. 2024: Representative Director & President, the Company. Apr. 2025: Representative Director, President & CEO, the Company (current).
1961-11-02
Yuichi HASHIDA
Director, Executive Officer, Head of Corporate Management Division
Apr. 1989: Joined Showa Denko K.K. (now Resonac Holdings Corporation). Jan. 2019: General Manager, Planning & Coordination Department, Petrochemicals Business Unit. Jan. 2023: General Manager, Planning Department, Petrochemicals Business Unit. Aug. 2024: Director, the Company. Apr. 2025: Director, Executive Officer, Head of Corporate Management Division, the Company (current).
1966-12-09
Nobuyoshi YAMADA
Director, Executive Officer, Representative of Oita Complex
Apr. 1998: Joined Showa Denko K.K. (now Resonac Holdings Corporation). Jan. 2023: General Manager, Manufacturing Department, Oita Complex, Petrochemicals Business Unit. Jan. 2024: Representative, Oita Complex, Petrochemicals Business Unit. Aug. 2024: Director, the Company. Apr. 2025: Director, Executive Officer, Representative of Oita Complex, the Company (current).
1973-10-13
Kazuhiro ICHIMURA
Director (Full-time Audit & Supervisory Committee Member)
Sep. 1993: Joined Hitachi Chemical Co., Ltd. (now Resonac Corporation). Apr. 2006: Deputy General Manager, Finance Group, Corporate Management Office. Sep. 2009: Deputy General Manager, Financial Closing & Consolidation Group, Corporate Management Office. Sep. 2010: General Manager (Accounting), Financial Closing & Consolidation Group, Finance Center, CSR Management Division. Nov. 2010: General Manager, IFRS Promotion Group, Finance Center, CSR Management Division. Feb. 2018: General Manager (Finance), Finance Center, Corporate Strategy Division. Apr. 2019: General Manager, Finance Department, concurrently Deputy General Manager, Corporate Planning Department. Jul. 2021: General Manager, Finance Department, concurrently Transformation Project Leader, Showa Denko Materials Co., Ltd. (now Resonac Corporation). Jan. 2023: General Manager, Finance & Accounting Business Partner Department, Resonac Corporation. Apr. 2024: Principal, Organization Management, Office of CFO, Resonac Corporation. Aug. 2024: Statutory Auditor, the Company. Mar. 2026: Director (Full-time Audit & Supervisory Committee Member), the Company (current).
1963-03-05
Hitoshi MATSUMOTO
Director (Audit & Supervisory Committee Member)
Oct. 1982: Joined Tohmatsu Aoki & Co. (now Deloitte Touche Tohmatsu LLC). Mar. 1986: Registered as Certified Public Accountant. Aug. 1989: Seconded to Deloitte & Touche LLP, Detroit Office. Jun. 1996: Partner, Tohmatsu & Co. (now Deloitte Touche Tohmatsu LLC). Jul. 2003: Seconded to Deloitte & Touche LLP, New York Office. Nov. 2015: Board Member, Deloitte Tohmatsu LLC. Sep. 2018: Board Chair, Deloitte Asia Pacific. Jun. 2020: Deputy Board Chair, Deloitte Global. Oct. 2024: Founded Matsumoto Hitoshi CPA Office; Managing Partner (current). Jan. 2025: Outside Statutory Auditor, the Company. Apr. 2025: Councillor, Japan Well-being Foundation (now Japan Well-being Foundation, a public interest incorporated foundation) (current). Jun. 2025: Outside Director, Seiki Tokyu Kogyo Co., Ltd. (current). Mar. 2026: Outside Director (Audit & Supervisory Committee Member), the Company (current). May 2026: Outside Statutory Auditor, Seven & i Holdings Co., Ltd. (current).
1960-02-19
Ryota MIURA
Director (Audit & Supervisory Committee Member)
Apr. 2000: Registered as Attorney at Law; joined Mori Sogo Law Offices (now Mori Hamada & Matsumoto). Jan. 2007: Partner, Mori Hamada & Matsumoto. Jun. 2008: Statutory Auditor, Techmatrix Corporation. Jun. 2015: Outside Director (Audit & Supervisory Committee Member), Techmatrix Corporation. Nov. 2018: Founded Miura Law Office; Partner (current). Jun. 2020: Outside Statutory Auditor, Tokyo Electron Limited (current). Jun. 2021: Outside Director, Eisai Co., Ltd. Jan. 2026: Outside Statutory Auditor, the Company. Mar. 2026: Outside Director (Audit & Supervisory Committee Member), the Company (current).
1974-05-14
Large Shareholding Reports
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2026-10-21
7.32%→3.03%
BlackRock Japan Co., Ltd.
2026-10-21
1.34%→1.31%
Massachusetts Financial Services Company
2026-10-07
7.32%
BlackRock Fund Advisors
2026-10-05
2.11%
Disclosures
No disclosures
Primary Source Filings
EDINET
2026-10-21
Large Shareholding Report
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EDINET
2026-10-21
Large Shareholding Report
View PDF →
EDINET
2026-10-07
Large Shareholding Report
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EDINET
2026-10-05
Large Shareholding Report
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