Our Edge

Sengoku's patented technology has revolutionized the heating industry with the groundbreaking graphite heater. This innovative material delivers exceptional energy efficiency, producing heat almost instantly—within an incredible 0.2 seconds—and reaching a maximum temperature of 1,300°C.

Beyond its remarkable performance, graphite offers unparalleled versatility in design, making it adaptable to a variety of applications.

At Sengoku, we strive to bring the manufacturer's vision to life, delivering unparalleled comfort and convenience to our customers. As the potential of graphite heaters continues to evolve, so does our commitment to enhancing your quality of life.

Our History

Our Core Values

Driven by Innovation

We’re always looking for new ways to make your everyday life easier and more comfortable with forward-thinking solutions.

Mission Statement

Passion for Quality

Sustainability & Global Reach

We believe in the power of graphite

At Sengoku, we are committed to delivering innovative solutions that enhance comfort, convenience, and sustainability in everyday life. Our revolutionary graphite products are a testament to our dedication to developing groundbreaking technologies that provide unparalleled efficiency and versatility for our customers.

With an open perspective, we promise to embrace challenges that shape the future. By continuously pushing the boundaries of innovation and quality, we aim to create products that not only meet the needs of today but also pave the way for a better tomorrow.

Thank you for being part of our journey as we build a future of comfort, innovation, and excellence together.

— Shigeyuki Sengoku, President of Sengoku Works

Our History

1953

Founding and Early Years

1953: Sengoku Iron Works was established in Japan as a small, family-owned enterprise focused on creating high-quality heating solutions for Sanyo Electric Co.

1977: Registered as an electrical product manufacturer and launched production of various home electrical products.

1981: Founded DAIKEI INDUSTRY CO., LTD. to manage non-production-related divisions.

1988: Opened the Tokyo Branch to commence direct trade operations.

1989: Established the Nishiwaki Factory as the production division of DAIKEI INDUSTRY CO., LTD.

1991

Global Expansion and the Birth of Sengoku LA

1991: Expanded with the opening of the Osaka Branch.

1993: Constructed the headquarters office and factory, introduced a corporate identity (CI), and rebranded as SENGOKU WORKS LTD.

Established SENGOKU ELECTRONICS (SHENZHEN) CO., LTD., with partial production relocated to China.

Opened a Hong Kong office.

1995: Created GREEN WOOD Co., LTD.

1996: Established SENGOKU L.A. Ltd. In United States

1997: Achieved ISO9001 certification 

2001

Modernization and Collaboration

2001: Secured ISO9002 certification 

2003: Founded DONGGUAN SENGOKU ELECTRONICS Co., Ltd.

2005: Acquired AIC JAPAN CORPORATION.

2009/10: Relocated SHENZHEN factory to HUIZHOU

2019

Commitment to Innovation and Global Expansion

2010: Expanded to South America

2012: Launched SENGOKU CHI Trading (Shanghai) Co., Ltd.

Began production of graphite heaters in Japan.

2013: Expanded into Middle East

2015: Established SENGOKU PHILIPPINES, INC.

2020: 1 Million Graphite Toaster Ovens Sold

2023

Milestones in Innovation and Growth

2023: Opened the SENGOKU ALADDIN FACTORY in Kasai, Japan.

2023: 3 Million Graphite Toaster Ovens Sold