Mitsumikoma — Transforming Ourselves, Creating the Future
As a plastic molding manufacturer, Mitsumikoma specializes in air-conditioner filters for major home appliance manufacturers, providing integrated manufacturing solutions from mold design and injection molding to mass production.
Leveraging our comprehensive capabilities and “One Team” spirit, we deliver optimal molding solutions tailored to our customers’ needs.
In an ever-changing market environment, we continuously refine our technologies, facilities, and human resources while striving to create unique value that can only be achieved by Mitsumikoma.
設備 Equipment
Advanced Manufacturing Facilities Featuring 300-Ton-Class Vertical Injection Molding Machines
Mitsumikoma operates a wide range of large-scale vertical injection molding machines, including 300-ton-class models, enabling large insert molding of up to 800 mm × 700 mm.
By utilizing both vertical and horizontal molding machines according to product shape and application requirements, we can accommodate everything from small to large components, including products with complex geometries.
Our diverse production equipment allows us to support projects seamlessly from prototyping to mass production, while providing the flexibility to respond to changes in production volumes and delivery schedules.
事業内容 Business
Innovative Insert Molding Solutions Driven by Technology and Creativity
At Mitsumikoma, we leverage the advanced expertise of certified injection molding technicians and extensive know-how in insert molding gained through working with a wide range of materials, including filters, metals, and glass.
From the planning and design stages, we carefully evaluate the most suitable manufacturing methods and apply our creativity to turn “impossible” into “possible,” addressing each customer's unique needs with flexible and practical solutions.
製品事例 Products
We manufacture insert-molded products for a diverse range of industries, including home appliances, automotive, and medical applications.
By carefully understanding the specific requirements of each field, we provide molding solutions that combine outstanding performance with reliable quality.
Home Appliance Components
Automotive Components
Medical Device Components
Specialized & Custom Components


会社情報 Company
Guided by creativity and a commitment to safe, reliable service, we strive to become a leading company in the field of insert molding.
With our “One Team” spirit, we continuously embrace transformation and innovation while working to remain a trusted partner valued by society and our customers.
採用情報 Recruit
Take the First Step for the People You Care About.
At Mitsumikoma, we embrace the spirit of “We Are One Team,” supporting one another as we work together to create products through insert molding.
Even if you have no prior experience, you can develop the skills needed to become a manufacturing professional. We offer a stable and supportive work environment where you can build a long-term career in your local community with confidence.
If you are interested in manufacturing and creating things, why not take the first step with us?