This inventor holds 1 USPTO granted patent. Top assignee: Mazda Motor Corporation. Active years: 1988.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1988
Title: Ethuo Shira: Inventor of a Gear Type Transmission Unit
Introduction
Ethuo Shira is an inventor associated with Hiroshima, Japan, and Mazda Motor Corporation. His patent work includes an invention focused on transmission design and bearing lubrication.
Latest Patents
Shira is credited with 1 patent, titled “Gear Type Transmission Unit.” The invention describes a transmission housing with a bearing retainer mounted at its front wall. A bearing held by the retainer supports the input shaft. The retainer’s bearing-holding portion has an upper section that projects toward the gear speed-changing mechanism. An oil groove in this projecting section connects with an oil hole in the retainer to introduce lubricating oil for the bearing.
Career Highlights
Shira’s recorded patent reflects work on the mechanical design of vehicle transmission components, particularly the arrangement of bearing support and lubrication features.
Collaborations
His listed coworkers include Kazuhiko Moriyama and Touhei Yamaguchi. The patent information associates Shira with Mazda Motor Corporation.
Conclusion
Ethuo Shira’s patent documents a transmission-unit design that integrates bearing support with an oil-delivery feature, highlighting his contribution to automotive engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile