This inventor holds 1 USPTO granted patent. Top assignee: Yamaha Hatsudoki Kabushiki Kaisha. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Hiroaki Kageyama: Marine Propulsion Innovation.
Introduction
Hiroaki Kageyama is an inventor associated with Shizuoka, Japan, and Yamaha Hatsudoki Kabushiki Kaisha. His listed patent concerns the design of a marine propulsion device.
Latest Patents
Kageyama is credited with 1 patent, titled “Marine Propulsion Device.” The invention describes a gear arrangement in which a first gear meshes with a second and a third gear. The second and third gears share an axis and face one another, with a circulator positioned between them. These components are housed inside a case, which has an attachment hole for the circulator. An attachment body inserted into the hole secures the circulator to the case.
Career Highlights
Kageyama’s listed invention reflects work on the mechanical design and assembly of marine propulsion equipment. The patent identifies Yamaha Hatsudoki Kabushiki Kaisha as the associated company.
Collaborations
Kimitaka Saruwatari and Akihiro Noma are listed as Kageyama’s coworkers. The available information does not specify their roles in the patent or the invention.
Conclusion
Hiroaki Kageyama’s recorded patent focuses on a geared marine propulsion device and its circulator attachment, highlighting his contribution to marine engineering innovation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile