This inventor holds 4 USPTO granted patents. Top assignees: Honda Giken Kogyo Kabushiki Kaisha, Other. Active years: 2001-2004.
Location History:
- Wako, JP (2001 - 2002)
- Saitama, JP (2002 - 2004)
Company Filing History:

Years Active: 2001-2004
Title: Eitarou Koya: Innovator in Motorcycle Frame Fabrication
Introduction
Eitarou Koya is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of motorcycle frame fabrication, holding a total of 4 patents. His innovative approaches have led to advancements in the design and manufacturing processes of vehicle body frames.
Latest Patents
Koya's latest patents focus on methods of fabricating vehicle body frames for motorcycles. One of his key inventions is a method that adopts die cast products as parts of a vehicle body frame. This method includes alumite treatment, which enhances the brightness and appearance of pivot plates made from die cast products. The treatment ensures that the pivot plates match the color of other components such as head pipes, longitudinal pipes, and cross pipes. By incorporating die cast products into the design, Koya's method significantly reduces the fabrication costs of motorcycle body frames.
Career Highlights
Throughout his career, Eitarou Koya has worked with prominent companies, including Honda Giken Kogyo Kabushiki Kaisha. His experience in the industry has allowed him to develop practical solutions that address manufacturing challenges in motorcycle production.
Collaborations
Koya has collaborated with talented individuals such as Masahiko Nakagawa and Shinsuke Mochizuki. These partnerships have contributed to the successful development of his innovative patents.
Conclusion
Eitarou Koya's work in motorcycle frame fabrication showcases his dedication to innovation and efficiency. His patents not only enhance the manufacturing process but also contribute to the overall quality of motorcycle design.