Company Filing History:
1 out of 10,248 
1 out of 27 Years Active: 1995
Title: Naoko Iwashimizu: Innovator in Watch Manufacturing
Introduction
Naoko Iwashimizu is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of watch manufacturing, particularly through her innovative patent related to watch exterior parts. Her work exemplifies the intersection of technology and design in the horology industry.
Latest Patents
Naoko Iwashimizu holds a patent for "Watch exterior parts and manufacturing method thereof." This invention involves a watch exterior part formed of cemented carbide or stellite alloy, featuring a three-dimensionally curved as-sintered surface or a small hole with an as-sintered interior peripheral surface. The manufacturing method includes milling an organic binder into a material powder, followed by injection molding to create a molded body. This body undergoes a binder removing process and is then sintered. The result is a watch exterior part that boasts high strength and complex configurations, eliminating the need for secondary machining operations.
Career Highlights
Throughout her career, Naoko has worked with notable companies such as Sumitomo Electric Industries, Limited and Namiki Precision Jewel Co., Ltd. Her experience in these organizations has allowed her to refine her skills and contribute to advancements in watch technology.
Collaborations
Naoko has collaborated with esteemed colleagues, including Nobuyuki Kitagawa and Toshio Nomura. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.
Conclusion
Naoko Iwashimizu's contributions to the watch manufacturing industry highlight her role as a pioneering inventor. Her innovative patent and collaborative efforts reflect her commitment to advancing technology in horology.