Location History:
- Anjo, JP (1998 - 2017)
- Kariya, JP (2019)
Company Filing History:
6 out of 19,697 
1 out of 230 
1 out of 832,680 Years Active: 1998-2019
Title: The Ingenious Innovations of Shigeji Ohishi
Introduction: Shigeji Ohishi, an accomplished inventor based in Anjo, Japan, has made significant contributions to the field of refrigeration technology. With a portfolio of seven patents, Ohishi's work showcases a commitment to enhancing the efficiency and functionality of refrigeration systems.
Latest Patents: Among his latest patents are groundbreaking innovations, including the "Integrated Valve and Heat Pump Cycle" and the "Expansion Valve for a Refrigeration Cycle." The integrated valve features a unique design with a connecting member that includes a first valve element acting as a pressure reducing valve and a second valve element functioning as an on-off valve. This innovation optimizes refrigerant flow based on varying pressure conditions, significantly improving the efficiency of heat pump cycles. The expansion valve utilizes a temperature-sensitive rod connected to a diaphragm to adjust refrigerant flow. This invention ensures that the time constant of heat conduction is maintained within a desirable range, enhancing cooling efficiency.
Career Highlights: Shigeji Ohishi has held pivotal roles in various reputed companies throughout his career. Notably, he has worked at Denso Corporation, where he honed his skills and contributed to revolutionary advancements in refrigeration technology. His dedication and innovative mindset have earned him recognition in the field, reflecting his status as a leading inventor.
Collaborations: Throughout his career, Ohishi has collaborated with talented professionals, including Teruyuki Hotta and Kazuhiko Watanabe. These partnerships have fostered a creative environment that has led to the development of cutting-edge technologies and products in the industry.
Conclusion: Shigeji Ohishi's innovative spirit and technical expertise have significantly influenced the refrigeration sector. With a total of seven patents to his name, his inventions demonstrate a profound understanding of thermal dynamics and fluid mechanics. As he continues to develop new technologies, Ohishi’s contributions remain vital to enhancing the efficiency of modern refrigeration 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.