production and prototyping services for designers in industrial, medical, technical industries, and non-technical startups

Kumiko has worked in the field of design and fabrication for the last 20 years. She founded Advanced Technical Sewing in 1992. Her love of materials and technical expertise in production combined with her ability to manufacture quality products has resulted in a successful business committed to great design and well-manufactured goods. Her knowledge has bridged her sewing skills into many fields and disciplines from medical to engineering, from carrying bags, to protective gear, from dog coats to innovative prototypes. Her commitment to communication with her clients leads to a smooth and comfortable working environment.

Equipment & Machinery:


Take your concept drawings and reference materials to these factories. They will assist in refining your concept and thinking through the components involved in the Making Process.


Pattern makers will make a blueprint of your idea. They make sure your design will be well-constructed.


Sample makers will assemble the first end product prototypes.


Tooling factories produce custom tools that accelerate the production time of the end product.


These factories will mass produce your designs.