This inventor holds 1 USPTO granted patent. Top assignee: Kawasaki Railcar Manufacturing Co., Ltd.. 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: Yu Yamamoto: Inventor of an Adjustable Railroad-Vehicle Handrail
Introduction
Yu Yamamoto is an inventor associated with Kobe, Japan, and Kawasaki Railcar Manufacturing Co., Ltd. His patent work addresses a handrail design for railroad vehicles.
Latest Patents
The provided information lists one patent for Yamamoto: “Handrail for Railroad Vehicle and Method for Changing Natural Frequency of Said Handrail.” The invention describes a handrail body installed in a railroad vehicle’s cabin. Its interior forms a filling space that can be filled with a fluid material. An opening allows the filler to be supplied, and a plug opens and closes that opening. The design provides a way to change the handrail’s natural frequency.
Career Highlights
Yamamoto’s listed patent reflects work on railway interior components and their physical characteristics. The supplied information associates him with Kawasaki Railcar Manufacturing Co., Ltd. and records 1 patent.
Collaborations
The listed coworkers are Takahiro Kawashima and Satoru Akiyama. The provided information does not specify their roles in the patent or their particular contributions.
Conclusion
Yu Yamamoto’s recorded invention focuses on a fluid-filled railroad-vehicle handrail whose natural frequency can be adjusted, highlighting a practical approach to railway component design.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile