This inventor holds 1 USPTO granted patent. Top assignee: Hitachi Power Solutions 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: Sadao Tsuruta and Roll Press Technology.
Introduction
Sadao Tsuruta is an inventor associated with Hitachi, Japan, and Hitachi Power Solutions Co., Ltd. His recorded patent concerns a roll press machine designed to correct deflection in its press rolls.
Latest Patents
The provided information lists one patent for Tsuruta: “Roll press machine.” The invention uses upper and lower rolls supported by main bearings, with bending bearings positioned outside them to apply corrective loads. Hydraulic reverse-operation bending mechanisms in the upper and lower rolls generate downward or upward force to counter roll deflection.
Career Highlights
Tsuruta’s listed patent reflects work on mechanical systems for controlling press-roll deflection. The supplied record attributes 1 patent to him and associates him with Hitachi Power Solutions Co., Ltd.
Collaborations
The provided information names Daisuke Tasaki and Takahiro Mitamura as Tsuruta’s coworkers. It does not specify their roles in the patent or whether they collaborated on this invention.
Conclusion
Sadao Tsuruta’s recorded invention focuses on improving roll press operation through mechanisms that correct deflection in the upper and lower rolls.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile