Overview
Foods

ROCK FIELD CO.,LTD.

Rock Field Co., Ltd. is a leading Japanese prepared foods (sozai) manufacturer and retailer, operating multiple specialty brands across department stores and commercial facilities throughout Japan. Its flagship brand 'RF1' offers Western-style prepared salads, fried foods, and cooked dishes, complemented by brands including 'Green Gourmet,' 'Itohan' (Japanese-style sozai), 'Kobe Croquette,' 'Yurago' (Asian cuisine), 'Vegeteria' (fresh juices and soups), and frozen food brand 'RFFF.' As of April 2025, the company operates approximately 303 domestic stores across its brand portfolio, with an additional 2 stores in China through its Shanghai subsidiary.

Market Cap
¥35.8B
US$228M
EV
¥23.9B
US$152M
Stock¥1,368▲+0.22%
US$1 = ¥156.80 (2026-10-23)
LTM EV/EBITDA
8.3
x
LTM EV/EBIT
25.1
x
LTM PER
172.8
x
LTM PBR
1.3
x
Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-29.7%pt
100
Oct 24, 25 – Oct 23, 26StockTOPIX
MC → EV Bridge
35.8BUS$228MMarket Cap0.93BUS$5.96M+ Debt12.0BUS$76.7M− Cash0.81BUS$5.15M− Inv. Sec.23.9BUS$152MEV
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Performance & Balance
Revenue 5Y (¥B)
47.1US$301M'22/450.0US$319M'23/451.4US$328M'24/451.2US$326M'25/451.1US$326M'26/4
EBITDA 5Y (¥B)
3.85US$24.5M'22/43.19US$20.3M'23/43.46US$22.0M'24/43.02US$19.2M'25/42.70US$17.2M'26/4
Net Income 5Y (¥B)
1.38US$8.80M'22/41.08US$6.87M'23/41.25US$7.98M'24/40.33US$2.10M'25/40.10US$0.63M'26/4
Capital Structure
97%
EquityD/E 0.03xDebt
Liquidity vs Debt 5Y (¥B)▲ Net Cash
CashInv. Sec.Debt
14.9US$95.0M2.07US$13.2M'22/414.2US$90.8M1.69US$10.8M'23/414.7US$93.4M1.42US$9.06M'24/414.1US$90.1M1.12US$7.13M'25/414.0US$89.0M0.96US$6.12M'26/4
Shareholders
Top 10 hold 39.7%
1
Iwata Co., Ltd.
8.80%
2
The Master Trust Bank of Japan, Ltd. (Trust Account)
6.40%
3
ROCK FIELD CO.,LTD. Business Partners' Stock Ownership Association
5.64%
4
Meiji Yasuda Life Insurance Company (Standing Proxy: Custody Bank of Japan, Ltd.)
5.02%
5
The Shikoku Bank, Ltd. (Standing Proxy: Custody Bank of Japan, Ltd.)
4.75%
6
Kozo IWATA
3.00%
7
ROCK FIELD CO.,LTD. Employee Stock Ownership Association
2.08%
8
The Minato Bank, Ltd.
1.58%
9
New Kouchi Building Co., Ltd.
1.27%
10
MUFG Bank, Ltd.
1.18%
Management
9 officers
Takashi KOZUKA
Representative Director, President
Apr 1988 Joined the Company Aug 2007 Executive Officer, Shizuoka Factory Manager Apr 2010 Executive Officer, General Manager of Production Division Aug 2010 Senior Executive Officer, General Manager of Production Division Jul 2011 Director, General Manager of Production Division Apr 2013 Director, Kobe Delicatessen Co., Ltd. Jul 2013 Managing Director, General Manager of Production Division Jul 2014 Representative Director, President May 2016 Senior Managing Director, in charge of Production, Procurement and Quality Assurance Divisions Jul 2017 Representative Director, Executive Vice President Jul 2018 Representative Director, President (current) Oct 2020 Chairman, Iwata (Shanghai) Catering Management Co., Ltd. (current) Jul 2024 Representative Director, Kobe Delicatessen Co., Ltd. (current)
1965-02-26
Kotaro YOSHII
Managing Director; in charge of Administration, Human Resources, Quality Assurance and Frozen Food Promotion Office Divisions
Apr 1995 Joined the Company Sep 2004 Supervisor, East Japan Street Store Sales Group, Sales Division Jun 2013 Group Manager, Development Group, Planning & Development Office Jul 2014 General Manager, Planning & Development Office, Planning & Development Division Nov 2016 Deputy General Manager, Planning & Development Division May 2017 General Manager, Planning & Development Division Aug 2017 Executive Officer, General Manager of Planning & Development Division Jul 2021 Executive Officer, General Manager of Management Planning Division Jul 2022 Director, General Manager of Management Planning Division May 2024 Director, General Manager of Management Planning Division; in charge of Frozen Food Promotion Office Jul 2024 Managing Director, General Manager of Management Planning Division; in charge of Administration Division and Frozen Food Promotion Office Director, Kobe Delicatessen Co., Ltd. (current) Jul 2025 Managing Director, General Manager of Management Planning Division; in charge of Administration, Quality Assurance and Frozen Food Promotion Office Divisions May 2026 Managing Director; in charge of Administration, Human Resources, Quality Assurance and Frozen Food Promotion Office Divisions (current)
1971-05-24
Katsuhiro MIYOSHI
Director; General Manager of Planning & Development Division; in charge of Procurement Division
Apr 1992 Joined the Company May 2011 General Manager, Planning & Development Department, Planning & Development Division Dec 2014 General Manager, Merchandising Department, East Japan Sales Division Jun 2016 General Manager, Sales Division May 2017 Factory Manager, Tamagawa Factory Jul 2021 General Manager of Production Division Aug 2022 Executive Officer, General Manager of Production Division May 2024 Executive Officer, General Manager of Planning & Development Division Jul 2024 Director, General Manager of Planning & Development Division Director, Kobe Delicatessen Co., Ltd. (current) Jul 2025 Director; General Manager of Planning & Development Division; in charge of Procurement Division (current)
1970-03-11
Hideo ICHINOMIYA
Director; General Manager of Sales Division
Mar 1983 Joined the Company May 2009 General Manager, Sales Department, West Japan Sales Division May 2014 General Manager, Sales Department, East Japan Sales Division Aug 2014 Executive Officer, General Manager, Sales Department, East Japan Sales Division Aug 2016 Executive Officer, General Manager of West Japan Sales Division May 2023 Executive Officer, General Manager of Sales Division May 2025 Executive Officer, General Manager of Sales Division Jul 2025 Director, General Manager of Sales Division (current)
1963-10-01
Kazuyo YUNOKI
Outside Director
Mar 1983 Joined Daimaru, Inc. Sep 1990 Assigned to Head Office Merchandising Planning Department (Paris Representative Office) May 2008 Executive Officer, Store Manager, Daimaru Sapporo Mar 2010 Executive Officer, Store Manager, Daimaru Sapporo, Daimaru Matsuzakaya Department Stores Co., Ltd. May 2012 Executive Officer, Store Manager, Daimaru Kobe, Daimaru Matsuzakaya Department Stores Co., Ltd. May 2015 Representative Director, President, Hakata Daimaru, Inc.; Managing Executive Officer, Daimaru Matsuzakaya Department Stores Co., Ltd. May 2019 Managing Executive Officer, General Manager of Related Businesses Division, J. Front Retailing Co., Ltd. Mar 2021 Representative Director, President, GINZA SIX Retail Management Co., Ltd.; Executive Officer, Daimaru Matsuzakaya Department Stores Co., Ltd. Dec 2021 Outside Director, Shin Nihon Pharmaceutical Co., Ltd. May 2022 Adviser, Daimaru Matsuzakaya Department Stores Co., Ltd. Outside Director, AEON Hokkaido Corporation (current) May 2023 Outside Director, AEON Kyushu Co., Ltd. (current) Apr 2025 Director, Kobe City University of Foreign Studies, Kobe City Public University Corporation Jun 2025 Outside Director, Kamigumi Co., Ltd. (current) Jul 2025 Director of the Company (current)
1960-07-11
Noriko KITAJIMA
Outside Director (Audit and Supervisory Committee Member)
Oct 2000 Registered as attorney at law; joined Inoue Takahiko Law Office (now Phoenix Law Office) Jan 2012 Co-Managing Partner, Phoenix Law Office (current) Jun 2015 Outside Director (Audit and Supervisory Committee Member), Sankyo Kasei Co., Ltd. Mar 2017 Outside Audit & Supervisory Board Member, Daitron Co., Ltd. Jun 2021 Outside Audit & Supervisory Board Member, Daiei Kankyo Co., Ltd. Mar 2023 Outside Director (Audit and Supervisory Committee Member), Taki Chemical Co., Ltd. (current) Jun 2024 Outside Director (Audit and Supervisory Committee Member), Daiei Kankyo Co., Ltd. (current) Mar 2025 Outside Director (Audit and Supervisory Committee Member), Daitron Co., Ltd. (current) Jul 2025 Director of the Company (current)
1974-10-25
Shohei YUKI
Standing Audit & Supervisory Board Member
Mar 1990 Joined the Company May 1997 Group Manager, Accounting Group, Administration Division Jan 2000 Group Manager, Business Planning & Systems Group, Administration Division Jun 2007 General Manager, Internal Control Office Aug 2014 General Manager, Business Management Department, Business Planning Division; concurrently General Manager, Internal Control Office May 2016 General Manager, Business Planning Department; concurrently General Manager, Internal Control Office Aug 2020 General Manager, Internal Control Office Jul 2023 Standing Audit & Supervisory Board Member of the Company (current) Audit & Supervisory Board Member, Kobe Delicatessen Co., Ltd. (current)
1957-03-01
Kazuya MITO
Audit & Supervisory Board Member
Jul 1978 Joined Hyogo Prefectural Police Mar 2017 Chief, Yabu Police Station, Hyogo Prefectural Police Mar 2019 Retired from Hyogo Prefectural Police Jul 2019 Part-time Audit & Supervisory Board Member of the Company (current)
1958-09-03
Sayuri YONEDA
Audit & Supervisory Board Member
Apr 1994 Registered as Certified Public Accountant Apr 1997 Registered as Certified Tax Accountant Jul 2000 Opened Yoneda CPA Office; Representative (current) Jul 2000 Partner, Jinyo Audit Corporation (left Jun 2019) Jun 2020 Outside Director (Audit and Supervisory Committee Member), Bando Chemical Industries, Ltd. (current) Jun 2021 Outside Director (Audit and Supervisory Committee Member), Amatei Co., Ltd. (current) Jul 2025 Part-time Audit & Supervisory Board Member of the Company (current)
1967-01-31
Large Shareholding Reports
No filings
Disclosures
No disclosures
Primary Source Filings
EDINETAmended
2026-10-09
Amended Annual Securities Report
Period: May 2025 – Apr 2026
TDnet
2026-09-04
Q1 Earnings Flash
FY ending Apr 2027
EDINET
2026-07-27
Annual Securities Report
Period: May 2025 – Apr 2026
TDnet
2026-03-06
Q3 Earnings Flash
FY ending Apr 2026
EDINET
2025-12-10
Semi-Annual Securities Report
Period: May 2025 – Apr 2026
TDnet
2025-09-05
Q1 Earnings Flash
FY ending Apr 2026
EDINET
2025-07-24
Annual Securities Report
Period: May 2024 – Apr 2025
TDnet
2025-03-06
Q3 Earnings Flash
FY ending Apr 2025
EDINET
2024-12-11
Semi-Annual Securities Report
Period: May 2024 – Apr 2025
TDnet
2024-09-05
Q1 Earnings Flash
FY ending Apr 2025
EDINET
2024-07-29
Annual Securities Report
Period: May 2023 – Apr 2024
EDINET
2024-03-12
Quarterly Securities Report
Period: Nov 2023 – Jan 2024
EDINET
2023-12-11
Quarterly Securities Report
Period: Aug 2023 – Oct 2023
EDINET
2023-09-12
Quarterly Securities Report
Period: May 2023 – Jul 2023
EDINET
2023-07-27
Annual Securities Report
Period: May 2022 – Apr 2023
EDINET
2023-03-09
Quarterly Securities Report
Period: Nov 2022 – Jan 2023
EDINET
2022-12-09
Quarterly Securities Report
EDINET
2022-09-08
Quarterly Securities Report
EDINET
2022-07-28
Annual Securities Report
EDINET
2022-03-10
Quarterly Securities Report
EDINET
2021-12-09
Quarterly Securities Report
EDINET
2021-09-09
Quarterly Securities Report
EDINET
2021-07-29
Annual Securities Report
EDINET
2021-03-10
Quarterly Securities Report
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