Location History:
- Osaka, JP (2001 - 2018)
- Sakai, JP (1992 - 2019)
Company Filing History:
8 out of 3,307 
1 out of 444 
1 out of 832,880 Years Active: 1992-2019
Title: The Innovations of Takeshi Oi
Introduction
Takeshi Oi is a prominent inventor based in Sakai, Japan, known for his significant contributions to the field of bicycle components. With a total of 10 patents to his name, Oi has made remarkable advancements in bicycle technology, particularly in braking systems and component manufacturing.
Latest Patents
One of Oi's latest patents is for a bicycle disc brake rotor. This innovative rotor features a rotational center axis and comprises an outer portion with multiple layers, including first and second braking surfaces positioned in opposite axial directions. Notably, the first layer is made of copper or a copper alloy, enhancing its performance. Another significant patent involves a slide component, which consists of a base member made from a titanium alloy that includes the beta phase of titanium. This base member is designed with a surface that has a plurality of recesses, and a plated layer is applied to its surface, improving its functionality.
Career Highlights
Throughout his career, Takeshi Oi has worked with notable companies, including Shimano Inc., where he has contributed to the development of high-quality bicycle components. His expertise in materials and design has positioned him as a key figure in the industry.
Collaborations
Oi has collaborated with talented individuals such as Puat Thiam Lim and Etsuyoshi Watarai, further enhancing his innovative projects and expanding his influence in the field of bicycle technology.
Conclusion
Takeshi Oi's contributions to bicycle innovation through his patents and collaborations have significantly impacted the industry. His work continues to inspire advancements in bicycle technology and design.