This inventor holds 1 USPTO granted patent. Top assignee: Hitachi Construction Machinery. 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: Shigeru Hirasawa: Inventor in Construction Machinery
Introduction
Shigeru Hirasawa is an inventor associated with Hitachi Construction Machinery in Mito, Japan. His recorded patent focuses on the design and maintenance of a hydraulic excavator’s upper revolving structure.
Latest Patents
Hirasawa is credited with 1 patent, titled “Construction machine.” The invention provides spaces in the excavator’s heat exchanger room and pump room for storing antenna devices after they are removed from their mounting tools, while their cables remain connected. Retaining tools secure the antennas inside the rooms, and an openable housing cover with separate doors provides access while allowing the rooms to be closed and locked.
Career Highlights
Hirasawa’s patent reflects work on practical equipment design for construction machinery. Its arrangement supports the storage and retention of antenna devices within the excavator’s existing structure.
Collaborations
Hirasawa is identified as a coworker of Masatoshi Morikawa. Both are associated with Hitachi Construction Machinery.
Conclusion
Shigeru Hirasawa’s recorded invention addresses antenna storage and access in a hydraulic excavator, contributing a focused design solution for construction machinery.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile