Location History:
- Sayama, JP (1996)
- Nishitokyo, JP (2004 - 2011)
- Kawagoe, JP (1997 - 2012)
- Tokyo, JP (2017)
Company Filing History:
5 out of 2,003 
4 out of 450 
1 out of 5,125 
Years Active: 1996-2017
Title: Innovations of Koichi Naoi
Introduction
Koichi Naoi is a prominent inventor based in Nishitokyo, Japan. He has made significant contributions to the field of materials engineering, particularly in the development of innovative steel cords and decorative parts. With a total of 10 patents to his name, Naoi's work has had a substantial impact on various industries.
Latest Patents
One of Naoi's latest patents is for a steel cord designed for rubber article reinforcement and a pneumatic radial tire utilizing this technology. This steel cord allows for lightweight construction without compromising the durability of tires. It features a core made of two parallel filaments and multiple twisted sheath filaments, enhancing the properties of the cord after rubberizing. Another notable patent involves a decorative part and the process for its production. This invention includes a multilayered hardened layer with a gold alloy finish, providing both aesthetic appeal and durability.
Career Highlights
Throughout his career, Koichi Naoi has worked with notable companies such as Citizen Watch Company, Ltd. and Citizen Holdings Company, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Naoi has collaborated with esteemed colleagues, including Yukio Miya and Fumio Tase. Their combined expertise has fostered a creative environment that has led to the development of groundbreaking inventions.
Conclusion
Koichi Naoi's contributions to the field of materials engineering through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future inventors.