Company Profile

We have offices in Gifu and Gunma prefectures that provide the foundation for our value-added craftsmanship.
Our five factories, each producing different products, utilize our cutting-edge technology, knowledge, and know-how to develop new products, improve technology, and aim to improve production technology under strict quality control. The products we manufacture boast the highest level of functionality and reliability in the world.

Head Office and Sales Offices

Head Office 9th Fl. Sumitomo Corporation Mitoshiro Bldg. 1-1 Kanda Mitoshirocho, Chiyoda-ku, Tokyo 101-0053 Map
Phone: 81-3-3293-3061 (main) FAX: 81-3-3292-7002
Hokkaido Sales Office 10th Fl. Nihon Seimei Sapporo Bldg. 4-1 Kita 3 Jonishi, Chuo-ku, Sapporo-shi, Hokkaido 060-0003 Map
Phone: 81-11-241-7316 (main) FAX: 81-11-241-7318
East Japan Service Division 726 Yattajima-machi, Isesaki-shi, Gunma-ken 372-0827 Map
Phone: 81-270-32-1234 (main) FAX: 81-270-31-2789
Chubu Sales Office 18 Kisaragicho, Kasamatsu-cho, Hashima-gun, Gifu-ken 501-6084 Map
Phone: 81-58-387-1325 (main) FAX: 81-58-387-9510
Mihara Sales Office 1-25-6 Shiromachi, Mihara-shi, Hiroshima-ken 723-0014 Map
Phone: 81-848-62-5150 (main) FAX: 81-848-62-4495
Shimonoseki Sales Office 702 Kaikyo Messe 3-3-1 Buzendacho, Shimonoseki-shi, Yamaguchi-ken 750-0018 Map
Phone: 81-83-237-0603 (main) FAX: 81-83-237-1813

Gifu Plants

Gifu Factory 18 Kisaragicho, Kasamatsu-cho, Hashima-gun, Gifu, Japan, 501-6084 Map
Phone: 81-58-387-4111 (Main) FAX: 81-58-388-1955
Commenced Operations: 1944
Certified by JG, Acquired ISO-9001/ISO-14001 certification, Approved business branch by NK, Quality control certified per LR, ABS, CR, KR Registered by NEGA Acquired MSA certification from DNV

(Main Products)
  • Shaft generating systems (200 kW – 4,000 kW)
  • Mid and large-size generators (300 kVA – 6,000 kVA)
  • Various electric motors (0.4 kW – 3,000 kW)
  • Electronic control devices

Gifu Hashima Factory 3-1 Sakamaru, Masaki-cho, Hashima city, Gifu, Japan, 501-6229 Map
Phone: 81-58-392-8500 (Main) FAX: 81-58-392-8501
Commenced Operations: 1976

(Main Products)
  • Axial flow ventilators
  • Various centrifugal blowers (FD fans, turbo fans)
  • Sound reducing axial flow ventilators and muffling devices
Kani Factory 1076-1 Kaneyama, Kani City, Gifu, Japan, 505-0130 Map
Phone: 81-574-59-2121 (Main) FAX: 81-574-59-2124
Commenced Operations: 1995

(Main Products)
  • Compact D/G sets
  • Northern Lights generator equipment
  • Compact generators
Yamatoku Factory 1089 Dendai Wakamiya, Kasamatsu-cho, Hashima-gun, Gifu, Japan, 501-6062 Map
Phone: 81-58-388-3868 (Main) FAX: 81-58-388-3873
Commenced Operations: 2006

Gunma Plants

Controller Factory 726 Yattajima-machi, Isesaki City, Gunma, Japan, 372-0827 Map
Phone: 81-270-32-1234 (Main) FAX: 81-270-31-2789
Commenced Operations: 1962
Certified by JG, Acquired ISO-9001/ISO-14001 certification, Approved business branch by NK, Quality control certified per LR, ABS, CR Registered by NEGA

(Main Products)
  • Various marine and industrial use switchboards and console
  • Various marine use control systems
  • Various marine use starters
  • Electronic control equipment and devices

Generating System Factory 330-5 Yattajima-machi, Isesaki City, Gunma, Japan,372-0827 Map
Phone: 81-270-32-1238 (Main) FAX: 81-270-32-2444
Commenced Operations: 1968
Certified by JG, Acquired ISO-9001/ISO-14001 certification, Approved business branch by NK, Quality control certified per LR, CR, KR Registered by NEGA

(Main Products)
  • Various generator systems (co-generation, standard, and emergency use, civil engineering construction machinery use)
  • Small and mid-sized generators (3 kVA – 850 kVA)
  • Various electric motors (0.4 kW – 132 kW)