Location History:
- Amagasaki, JP (1991)
- Shizuoka, JP (1999)
- Hyogo, JP (1994 - 2000)
- Tokyo, JP (1998 - 2018)
Company Filing History:
24 out of 21,351 
5 out of 15,844 
Years Active: 1991-2018
Title: Innovations of Yoshihiro Sumida: A Pioneer in Air Conditioning Technologies
Introduction
Yoshihiro Sumida, a notable inventor based in Tokyo, Japan, has made significant contributions to the field of air conditioning technology. With an impressive portfolio of 29 patents, Sumida continues to push the boundaries of innovation within this essential industry.
Latest Patents
One of his latest patents involves an advanced air-conditioning apparatus that utilizes a computing device to enhance the efficiency of refrigerant management. This system calculates the quality of the refrigerant flowing out of a second expansion device based on the enthalpy linked to the refrigerant temperature and pressure. Additionally, it derives the liquid-phase and gas-phase concentrations of the refrigerant, ensuring optimal performance in refrigeration cycles. Another noteworthy patent showcases a similar computing device that refines refrigerant flow management through precise calculations of inlet liquid enthalpy and the properties of refrigerants as they transition through expansion devices.
Career Highlights
Yoshihiro Sumida has built his career in esteemed companies, notably Mitsubishi Denki Kabushiki Kaisha and Mitsubishi Electric Corporation. His roles in these organizations have allowed him to leverage his expertise in refrigeration andair conditioning technologies while contributing to groundbreaking innovations.
Collaborations
Throughout his career, Sumida has collaborated with other talented professionals in the field, including Tomohiko Kasai and Takashi Okazaki. Their collective insights have played a pivotal role in the advancement of air conditioning technologies and the successful development of numerous patents.
Conclusion
Yoshihiro Sumida's dedication to innovation in the air conditioning sector is evident through his extensive patent portfolio and collaborative work. His contributions not only enhance the efficiency of refrigerant systems but also set a standard for future advancements in the industry.
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.