Kouji Kuramashi

This inventor holds 13 USPTO granted patents and 6 published patent applications, plus 6 CIPO patents and 6 EPO patents. Top assignees: Babcock-Hitachi K.k., Hitachi, Ltd., Babcock-Hitachi Kabushiki Kaisha. Active years: 1993-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Kuramashi. Retrieved from https://idiyas.com/inventor/kouji-kuramashi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 13 (Patent Applications = 6)

% Patents Active = 92.3

CIPO Patents = 6

EPO Patents = 6 (Patent Applications = 3)

Average Co-Inventor Count = 6.6

ph-index = 6

Forward Citations = 92(Granted Patents)

Company Filing History:

Babcock-Hitachi Kabushiki Kaisha

patents

4. 1 out of 834,513

Other

patents

where one patent can have more than one assignee

Years Active: 1993-2013

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8505472 - Pulverized coal-fired boiler and pulverized coal burning method (2013-08-13),

2. 7878130 - Overfiring air port, method for manufacturing air port, boiler, boiler facility, method for operating boiler facility and method for improving boiler facility (2011-02-01),

3. 7770528 - Solid fuel burner, solid fuel burner combustion method, combustion apparatus and combustion apparatus operation method (2010-08-10),

4. 7665408 - Solid fuel burner, burning method using the same, combustion apparatus and method of operating the combustion apparatus (2010-02-23),

5. 7553153 - Burner and combustion method for solid fuels (2009-06-30),

6. 7213522 - Solid fuel burner, solid fuel burner combustion method, combustion apparatus and combustion apparatus operation method (2007-05-08),

7. 7168374 - Solid fuel burner, burning method using the same, combustion apparatus and method of operating the combustion apparatus (2007-01-30),

8. 6889619 - Solid fuel burner, burning method using the same, combustion apparatus and method of operating the combustion apparatus (2005-05-10),

9. 6715432 - Solid fuel burner and method of combustion using solid fuel burner (2004-04-06),

10. 6189464 - Pulverized coal combustion burner and combustion method thereby (2001-02-20),

11. 6112676 - Pulverized coal burner (2000-09-05),

12. 5431114 - Combustion apparatus (1995-07-11),

13. 5263426 - Combustion apparatus (1993-11-23),

Title: **Inventor Kouji Kuramashi: A Pioneer in Boiler Technology**

Introduction

Kouji Kuramashi is a renowned inventor based in Kure, Japan, recognized for his significant contributions to boiler technology. With 13 patents to his name, he has developed innovative methods that enhance combustion efficiency while reducing harmful emissions.

Latest Patents

Among his notable inventions are the advanced pulverized coal-fired boiler and pulverized coal burning method. This technology optimally supplies air to the central part of a furnace and near the furnace wall, promoting effective mixing with combustion gases and subsequently decreasing both nitrogen oxides (NOx) and carbon monoxide (CO) emissions. The design includes main after air ports, which deliver air with high momentum to the furnace's center, and sub-after air ports that target the surrounding wall area with lower momentum air jets. Furthermore, he has developed an overfiring air port designed to improve combustion in areas where the stoichiometric ratio is not met due to burner configurations. His attention to detail in nozzle and control mechanisms allows for fine-tuned air injection, enhancing overall furnace performance.

Career Highlights

Kuramashi has had a fruitful career, working with notable companies such as Babcock-Hitachi K.K. and Hitachi, Ltd. His expertise in mechanical engineering and furnace technology has positioned him as a leading figure in the industry, contributing to advancements in environmentally friendly energy solutions.

Collaborations

Throughout his career, Kouji Kuramashi has collaborated with esteemed colleagues, including Hirofumi Okazaki and Kenji Kiyama. These partnerships have fostered innovation and led to breakthroughs that align with contemporary energy challenges.

Conclusion

Kouji Kuramashi's work has made a lasting impact on boiler technology and energy efficiency. His patented inventions not only enhance performance but also contribute to environmental sustainability, showcasing the crucial role inventors play in advancing technology for a better future.

Profile summary based on public USPTO records.