This inventor holds 10 USPTO granted patents and 3 EPO patents. Top assignees: Hitachi Construction Machinery Co., Ltd., Hitachi Construction Machinery Tierra Co., Ltd.. Active years: 2013-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tsuchiura, JP (2013)
- Koka, JP (2013 - 2022)
Company Filing History:

Years Active: 2013-2025
Title: Yuuki Umizaki: Innovator in Construction Machinery
Introduction
Yuuki Umizaki is a prominent inventor based in Koka, Japan, known for his significant contributions to the field of construction machinery. With a total of 10 patents to his name, Umizaki has made a lasting impact on the industry through his innovative designs and engineering solutions.
Latest Patents
One of his latest patents involves a hydraulic excavator, which is a crucial construction machine. This invention features a cover mounting bracket located on the upper side of the left and right weight parts that constitute a counterweight. The cover mounting bracket is designed as a U-shaped frame, open on the counterweight side, with extending members that connect the left and right weight parts. A prime mover cover is supported on the connecting member of the cover mounting bracket, allowing it to rotate vertically through a hinge. This design enables the prime mover cover to move between an open position, where an inspection opening of the counterweight is accessible, and a closed position, ensuring safety and functionality.
Career Highlights
Throughout his career, Yuuki Umizaki has worked with notable companies such as Hitachi Construction Machinery Co., Ltd. and Hitachi Construction Machinery Tierra Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to the advancement of construction technology.
Collaborations
Umizaki has collaborated with talented individuals in the industry, including Makoto Motozu and Teruo Irino. These partnerships have fostered innovation and creativity in his projects.
Conclusion
Yuuki Umizaki's work in the field of construction machinery exemplifies the spirit of innovation and dedication to improving technology. His patents and collaborations reflect his commitment to advancing the industry and enhancing the functionality of construction equipment.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile