This inventor holds 23 USPTO granted patents and 6 published patent applications and 5 EPO patents, primarily in Gas Turbine Technology. Top assignees: Hitachi, Ltd., Mitsubishi Hitachi Power Systems, Ltd., Hitachi Engineering Co., Ltd.. Active years: 1989-2020.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hitachi, JP (1989 - 2015)
- Yokohama, JP (2020)
Company Filing History:
21 out of 42,731 
2 out of 651 
1 out of 162 Years Active: 1989-2020
Areas of Expertise:
Title: Innovations by Kazuhito Koyama: Pioneering Solar Energy and Gas Turbine Systems
Introduction
Kazuhito Koyama, a prominent inventor based in Hitachi, Japan, has made significant contributions to the fields of solar energy and gas turbine technology. With a total of 23 patents to his name, his innovations reflect a keen understanding of thermodynamics and renewable energy applications.
Latest Patents
Among Koyama's latest patents is a groundbreaking solar heat collection system, designed to enhance the efficiency of steam generation in low-temperature heating devices. This system not only utilizes sunlight to generate steam but also incorporates a sophisticated steam separation device that effectively distinguishes between water and steam. Additionally, the invention involves a high-temperature heating device that generates superheated steam using sunlight reflected by multiple heliostats.
Another noteworthy patent involves a gas turbine system equipped with a control device capable of effectively responding to output increase demands, even when high-pressure hot water produced from solar thermal energy is unavailable. This innovative gas turbine system integrates a compressor, combustor, and sophisticated piping systems that utilize both solar energy and standard temperature water to optimize performance during various operational states.
Career Highlights
Kazuhito Koyama has held pivotal roles in notable companies throughout his career, including Hitachi, Ltd. and Mitsubishi Hitachi Power Systems, Ltd. His work at these institutions has not only advanced his research but also contributed significantly to the development of energy-efficient technologies.
Collaborations
Throughout his career, Koyama has collaborated with esteemed colleagues, including Shigeo Hatamiya and Shigehisa Sugita. Their collective expertise has fostered an environment of innovation, leading to the successful development of advanced energy solutions.
Conclusion
Kazuhito Koyama's contributions to the fields of solar heat collection and gas turbine systems exemplify the potential of innovation in addressing contemporary energy challenges. His extensive patent portfolio serves as a testament to his commitment to advancing technology that harnesses renewable resources for a sustainable future.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile