Location History:
- Ibaraki, JA (1977)
- Juo, JP (1991)
- Ibaraki, JP (1981 - 1994)
- Taga, JP (1993 - 1994)
- Ibaraki-ken, JP (1997 - 1998)
Company Filing History:
21 out of 42,517 
6 out of 222 
1 out of 1 Years Active: 1977-1998
Title: **The Innovations of Kiyoshi Narato: Pioneering Pulverized Coal Burners**
Introduction
Kiyoshi Narato, an esteemed inventor based in Ibaraki, Japan, has made significant contributions to the field of energy technology with a total of 21 patents to his name. His groundbreaking innovations focus on improving the efficiency and environmental impact of pulverized coal combustion, making strides in reducing harmful emissions.
Latest Patents
Among his latest patents is the invention titled "Pulverized Coal Burner and Method of Using Same." This advanced burner design aims to lower the NOx concentration during low-load operations. The innovative structure features a secondary air nozzle and a tertiary air nozzle that are concentrically arranged around a fuel nozzle, which delivers pulverized coal mixed with primary air. Notably, the introduction of swirling flow generators within these nozzles enhances combustion air strength, which stabilizes the pulverized coal flame and reduces NOx production.
Additionally, Kiyoshi Narato's "Pulverized Coal Combustion Burner" patent demonstrates his commitment to efficiency. This burner includes a unique configuration of a pulverized coal nozzle along with secondary and tertiary air nozzles. A flame stabilizing ring and a separation wall within the pulverized coal nozzle contribute to enhanced ignitability and combustion rates, further minimizing NOx emissions.
Career Highlights
Kiyoshi has had a prolific career, having worked with notable companies such as Hitachi, Ltd. and Babcock-Hitachi Kabushiki Kaisha. His roles within these organizations have propelled innovations in energy technologies, specifically in the field of coal combustion.
Collaborations
Throughout his career, Kiyoshi has collaborated with distinguished colleagues, including Hironobu Kobayashi and Shigeru Azuhata. Their combined expertise has fostered a collaborative environment focused on advancing technology and achieving significant milestones in their respective projects.
Conclusion
Kiyoshi Narato's contributions to the field of pulverized coal combustion are marked by his innovative patents and collaborative efforts. His dedication to improving energy efficiency and reducing environmental impacts continues to influence the industry, positioning him as a valuable inventor and leader in energy technology advancements.