This inventor holds 4 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Engineering Co., Ltd.. Active years: 1982-1990.
Location History:
- Hitachi, JP (1982 - 1984)
- Tokyo, JP (1990)
Company Filing History:
4 out of 42,719 
2 out of 162 Years Active: 1982-1990
Title: The Innovations of Yoji Nagai
Introduction
Yoji Nagai is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of engineering, particularly in the development of systems that enhance energy efficiency. With a total of 4 patents to his name, Nagai's work reflects a commitment to innovation and sustainability.
Latest Patents
Nagai's latest patents include a heat-and-electricity supply system and a condensation system for power plants. The heat-and-electricity supply system utilizes steam from a steam generator to provide both electric and heat outputs. This system features a steam turbine driven by steam, a clutch with a reduction gear, and a power generator that produces electric output. Additionally, it includes a compressor and a heat-side load that utilizes cooling or heating mediums supplied from the compressor.
The condensation system for power plants comprises a steam generator and steam turbine, featuring at least one side stream condenser. This system includes first and second hot wells for receiving condensate produced by condensing steam. A condensate pump device is employed to deliver the condensate through a feed line, ensuring the removal of impurities through purification devices before the condensate is introduced back into the steam generator.
Career Highlights
Throughout his career, Yoji Nagai has worked with notable companies such as Hitachi, Ltd. and Hitachi Engineering Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in energy systems.
Collaborations
Nagai has collaborated with esteemed colleagues, including Toyohiko Masuda and Takeshi Ueno. These partnerships have fostered a creative environment that has led to the successful development of his patented technologies.
Conclusion
Yoji Nagai's contributions to engineering and energy efficiency are noteworthy. His innovative patents and collaborations highlight his dedication to advancing technology in sustainable ways. His work continues to influence the field and inspire future innovations.