Top Message

Kenichi Katsuta

Clean Energy for a A Secure Future

Recently, clean energy is drawing more and more attention, and its diffusion is accelerating. At Winfield Japan, our goal is to provide low-cost, high-quality products centered on the planning, design, and installation of photovoltaic power generation systems, and to deliver a secure future to the world while staying close to local communities, creating jobs and future clean energy, and revitalizing local communities.

Representative director
Kenichi Katsuta

Company Profile

Company name
Winfield Japan Co., Ltd.
Representative director
Kenichi Katsuta
Capital stock
20 million yen
Renewable energy, consulting business, agency business for photovoltaic racks
Correspondent Banks
The Ashikaga Bank, Ltd. / The Saitamaken Shinkin Bank. / Saitama Resona Bank, Ltd. / The Joyo Bank, Ltd. / The Towa Bank, Ltd. / The Tochigi Bank, Ltd. / The Higashi-Nippon Bank, Ltd. / Mizuho Bank, Ltd. / Sumitomo Mitsui Banking Corporation / MUFG Bank, Ltd. / The Musashino Bank, Ltd.
Main Clients
Inamitsuuken Co., Ltd. / SMA Japan K.K. / Keiyo Gas Energy Solution Co. Ltd. / Suntech Power Japan Corporation / JA Solar Japan Limited / Shizuoka Gas & Power Co., Ltd. / SymEnergy Inc. / JinkoSolar Japan KK / Smart Energy Co., Ltd. / Tokyo Kyodo Accounting Office / TOBU TRADING CO., LTD. / Trust Co., Ltd. / Nishimura & Asahi / Nihon BSL Co., Ltd. / Business Bank Tax accountant office / 5IVE GROUP Corp. / First Solar, Inc. / Xiamen BROAD New Energy Technology Co., Ltd. / Matsuoka Kenki Co., Ltd. / Mitsubishi HC Capital Energy Inc. / Meilin International Law Firm / Looop Inc. / LONGi Solar Technology K.K.


Tokyo Head Office
NEWSX Building 4F, 2-12-2 Kyobashi, Chuo-ku, Tokyo 104-0031, Japan
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Saitama Branch Office
Ohno Bldg. 4F, 11-5 Yayoi-cho, Koshigaya-shi, Saitama 343-0816, Japan
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WFJ Energy Research Institute
1829 Shimo-Owada-cho, Midori-ku, Chiba-shi, Chiba 267-0052, Japan
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Group Company

Affiliated company
Winfield Operation & Technology Co., Ltd.
Farmland Regeneration Research Institute Co., Ltd.
Winfield・Asset・Management Co., Ltd.
Japan Marketing Center Co., Ltd.
Winfield Energy (M) Sdn. Bhd.
Level 15.01,1First Avenue,2A Dataran Bandar Utama Damansara,47800 Petaling Jaya,Selangor Darul Ehsan,Malaysia
Winfield Energy UK LTD
Unit 6, Baglan Bay Innovation Centre, Baglan Energy Park, Central Avenue, Port Talbot, SA12 7AX


Please feel free to contact us with any questions or concerns you may have regarding our business, construction, or other matters.