Location History:
- Amagasaki, JP (1988 - 1998)
- Hyogo, JP (1985 - 1999)
- Tokyo, JP (1998 - 2001)
Company Filing History:
Years Active: 1985-2001
Title: Tsuneo Yumikura: Innovator in Heat Exchanger Technology
Introduction
Tsuneo Yumikura is a prominent inventor based in Hyogo, Japan. He has made significant contributions to the field of heat exchanger technology, holding a total of 12 patents. His innovative designs have advanced the efficiency and performance of air conditioning systems.
Latest Patents
Yumikura's latest patents include a heat exchanger, refrigeration system, and air conditioner. One notable invention is a method and apparatus for fabricating a heat exchanger. This design features a plurality of heat transfer tubes arranged at specific intervals, allowing an in-tube operating fluid, such as coolant, to pass through. The invention utilizes small-gage wires as heating fins, which are wound in a spiral manner around pairs of heat transfer tubes. This configuration not only enhances the heat transfer coefficient but also ensures a sufficient heating surface area while preventing clogging from moisture condensation.
Another significant patent is a heat exchanger specifically designed for air conditioners. This device comprises multiple heat-transfer tubes arranged in parallel, with heat-transfer fins formed by helically winding fine wires around these tubes. The innovative design allows for efficient heat exchange while maintaining a compact structure.
Career Highlights
Tsuneo Yumikura is associated with Mitsubishi Electric Corporation, where he has been instrumental in developing advanced air conditioning technologies. His work has led to the creation of high-performance heat exchangers that are both effective and space-saving.
Collaborations
Yumikura has collaborated with notable colleagues, including Michimasa Takeshita and Takayuki Yoshida. Their combined expertise has contributed to the successful development of innovative solutions in the field of heat exchangers.
Conclusion
Tsuneo Yumikura's contributions to heat exchanger technology have significantly impacted the efficiency of air conditioning systems. His innovative designs and patents reflect his dedication to advancing this essential technology.