This inventor holds 27 USPTO granted patents and 1 EPO patent, primarily in Motor Control Technology. Top assignees: Hitachi, Ltd., Hitachi Keiyo Eng. Co., Ltd., Hitachi Keiyo Engineering Co., Ltd.. Active years: 1978-2006.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hitachi, JP (1978 - 2002)
- Hitachinaka, JP (2006)
Company Filing History:
27 out of 42,743 
1 out of 1 
1 out of 34 Years Active: 1978-2006
Areas of Expertise:
Title: **Hiroshi Nagase: Innovator in Elevator Technology**
Introduction
Hiroshi Nagase is a prominent inventor based in Hitachi, Japan, known for his remarkable contributions to elevator technology. With a total of 27 patents to his name, Nagase has been instrumental in enhancing the safety and reliability of elevator systems through his innovative designs.
Latest Patents
Among his latest inventions is a patented rope and elevator system designed to improve the efficiency and durability of elevators. This invention employs a unique wire rope, where individual element wires are coated with a resin material, protecting them from wear due to friction and contact with the sheave. This innovation allows for a reduction in the sheave diameter while maintaining the integrity of the rope, ultimately leading to a smaller and lighter elevator system. Additionally, he has patented an advanced elevator system that utilizes a pulley mechanism for better control and efficiency. This system incorporates an electric power receiving unit, inverter, motor, and position sensor, working in unison to enhance the overall operation of the elevator car and counterweight.
Career Highlights
Hiroshi Nagase has held significant positions at Hitachi, Ltd. and Hitachi Keiyo Engineering Co., Ltd., where he channeled his expertise in engineering to develop leading-edge technologies for elevator systems. His innovative work has garnered attention within the industry, leading to numerous advancements in mechanical design and functional safety.
Collaborations
Throughout his career, Nagase has collaborated with esteemed colleagues such as Toshiaki Okuyama and Yuzuru Kubota. Their collective efforts have fostered an environment of innovation, enabling them to achieve groundbreaking developments in elevator technology.
Conclusion
Hiroshi Nagase's dedication to innovation has made a lasting impact in the field of elevator technology. Through his numerous patents and collaborative efforts, he continues to contribute to advancements that enhance safety, reliability, and efficiency in vertical transportation systems, shaping the future of elevators worldwide.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile