Company Filing History:
3 out of 21 
2 out of 196 
2 out of 2 
Years Active: 1991-2021
Title: Yoichi Hirata: Innovator in Absorption Chiller-Heating Technology
Introduction
Yoichi Hirata is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of absorption chiller-heating technology, holding a total of eight patents. His innovative work focuses on improving the efficiency and functionality of absorption chillers and related systems.
Latest Patents
Hirata's latest patents include several groundbreaking inventions. One of his notable patents is for an absorption chiller-heater, which features a low-temperature regenerator, a high-temperature regenerator, a condenser, an evaporator, an absorber, and a heat exchanger. This system utilizes water as a refrigerant and a lithium bromide aqueous solution as an absorption liquid. The absorption liquid is enhanced with a molybdate as a corrosion inhibitor, sodium sulfite or sodium bisulfite as a concentration improving agent, and an octyldimethylethylammonium salt or a lauryldimethylethylammonium salt as a dispersant. Another significant patent involves a measuring apparatus capable of assessing vibration amounts, which is designed to evaluate electronic devices that transmit vibration sound to the human ear.
Career Highlights
Throughout his career, Yoichi Hirata has worked with notable companies, including Seiko Holdings Corporation and Doryokuro Kakunenryo Kaihatsu Jigyodan. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of absorption technology.
Collaborations
Hirata has collaborated with several talented individuals, including Koichi Yanagisawa and Tomohiro Inagaki. These partnerships have contributed to the advancement of his projects and the successful development of his patents.
Conclusion
Yoichi Hirata is a distinguished inventor whose work in absorption chiller-heating technology has led to significant advancements in the field. His innovative patents and collaborations reflect his commitment to improving energy efficiency and functionality in modern systems.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.