EN

Company Profile

Company Profile and Group Companies

Delectable,
addictive maguro
served fresh at Kurogin

Devoted to bringing you the best maguro that will enchant you with a single bite. You'll find this incredible flavor in a corner of the market. Filleted right before your eyes, you'll get a glimpse of the delectable flavor of bluefin tuna before you even take a bite.
It's all part of the experience that enhances the meal to come. The special soy sauce, vinegared rice, slicing technique, plating, and atmosphere of the market are elements in making that first bite absolutely delicious. Immerse yourself in the sounds and sights of the market, and enjoy a feast for all five senses.
This is the place to find authentic Japanese maguro that only Kurogin can serve. We look forward to seeing you.

Company profile

Name Kurogin Japan Co., Ltd.
Chairman and CEO
 Toyoji Goto
President and CEO Ryuichi Nagase
Director Ryoji Taki / Certified Public Tax Accountant, SME Consultant
Director Toshihiro Onishi / Certified Social Insurance and Labor Consultant with Special License, Administrative Scrivener
Director Yuya Nishi / Certified Public Tax Accountant
Director Yoichi Akatsuka / Certified Social Insurance and Labor Consultant
Director Takaaki Ishiwata / Manager of Kuromon Main Store
Director Shun Kawamitsu / Manager of Tsukiji Main Store
Statutory Auditor Shinobu Goto / Owner of the Kurogin Group
Address Head Office 542-0073
2-11-1 Nipponbashi, Chuo-ku, Osaka-shi, Japan Kuromon Building 3F
TEL 06-6567-8246 Branch Office -Kuromon Main & Second Store- 542-0073
2-11-1 Nipponbashi, Chuo-ku, Osaka-shi, Japan Kuromon Building 1F
TEL 06-4396-7270
-Tsukiji Main Store- 104-0045
Tsukiji Center Building, 4-10-12 Tsukiji, Chuo-ku, Tokyo
TEL 03-3544-7440
Banks Nozomi Credit Union Main Branch
Shoko Chukin Bank
Mitsubishi UFJ Bank
Capital 10 million yen
Business overview Restaurant business
Tuna specialty retailer

Group companies

  • Japan Silver Seas Co.,Ltd.

    President and CEO Shinobu Goto
    Chairman and CEO Toyoji Goto
    Statutory Auditor Masashi Osako / Attorney, SME Consultant
    Address Head Office 542-0073
    2-11-1 Nipponbashi, Chuo-ku, Osaka-shi, Japan Kuromon Building
    TEL 06-6567-8256 Business Office -Kurogin Group Headquarters- 542-0073
    2-18-10 Katsuyama, Tennoji-ku, Osaka-shi, Japan
    Nova Shitennoji 2nd Building 701
    Banks Sumitomo Mitsui Banking Corporation
    Mitsubishi UFJ Bank
    Resona Bank
    Capital 10 million yen
    Business overview Real estate leasing business
    Kurogin group management

  • Nagase Suisan Co.,Ltd.

    President and CEO Ryuichi Nagase
    Director Satomi Nagase
    Director Toyoji Goto
    Statutory Auditor Shinobu Goto
    Address Head Office/Business Office 553-0005
    1-1-86 Noda, Fukushima-ku, Osaka
    Osaka Central Wholesale Market
    TEL 06-6469-2491
    Banks Nozomi Credit Union Main Branch Sales Department
    Shoko Chukin Bank
    Capital 30 million yen
    Business overview Maguro wholesaler
    Seafood processing and wholesale business

  • Kurogin Co.,Ltd.

    Chairman and CEO Toyoji Goto
    President and CEO Ryuichi Nagase
    Director Ryoji Taki / Certified Public Tax Accountant, SME Consultant
    Director Toshihiro Onishi / Certified Social Insurance and Labor Consultant with Special License, Administrative Scrivener
    Director Yukitaka Yamaguchi / Representative Director, Yamayuki Group
    Statutory Auditor Shinobu Goto
    Address Head Office/Business Office 542-0073
    4F Kuromon Building, 2-11-1 Nipponbashi, Chuo-ku, Osaka
    TEL 06-6567-8075
    Banks Mizuho Bank, Tsukiji Branch
    Resona Bank, Azabu Branch
    Capital 10 million yen
    Business overview Financial, human resources, and information system management business within the Kurogin Group

Business alliances

July 2025