Kei Takeyama

Title: Innovations by Kei Takeyama

Introduction

Kei Takeyama is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of heat-pump technology, holding a total of four patents. His work focuses on enhancing energy efficiency and comfort in heating systems.

Latest Patents

One of Takeyama's latest patents is for heat-pump equipment designed to provide simultaneous hot water supply and room heating. This innovative system achieves energy savings without compromising comfort. The apparatus includes a variable operation capacity type heat-pump, a primary water circuit, a hot water tank, a room heater, and a controller. The controller sets a target time for hot water supply operations based on the temperature difference between outdoor and indoor environments, optimizing the compressor's rotation speed accordingly.

Another significant patent involves a hot water apparatus and a failure notification method. This indirect-heating hot water apparatus is engineered to detect clogging in a secondary water circuit at low costs. It features a primary water circuit where water heated by a refrigerant circulates, a secondary water circuit connected via a heat exchanger, and a tank for storing circulating water. The apparatus monitors the temperatures in both circuits and issues a notification if clogging is detected.

Career Highlights

Kei Takeyama is currently employed at Mitsubishi Electric Corporation, where he continues to innovate in the field of heating technology. His work has been instrumental in developing systems that enhance energy efficiency and user comfort.

Collaborations

Throughout his career, Takeyama has collaborated with talented coworkers, including Kazutaka Suzuki and Hirokazu Minamisako. Their combined expertise has contributed to the advancement of innovative heating solutions.

Conclusion

Kei Takeyama's contributions to heat-pump technology exemplify the importance of innovation in energy efficiency. His patents reflect a commitment to improving comfort and sustainability in heating systems.