6AM1-A-1 ラピッドプロトタイピングの創作と特許(招待講演)

抄録

The concept of rapid prototyping was created based on a technique of making a block copy for printing newspapers. It took a long time till the usefulness of the concept was accepted. A wide variety of practicing the concept was created. The patent application for the concept was abandoned due to law evaluation of the concept. Several modifications adopting the same concept were patented by others due to failure to disclose the modifications.