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For the Inventor, By the Inventor

Kitakyushu, Japan

Chikashi Fukumura

This inventor holds 5 USPTO granted patents. Top assignee: Chisso Corporation. Active years: 1986-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chikashi Fukumura. Retrieved from https://idiyas.com/inventor/chikashi-fukumura

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

Calculating rank
USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 5.4

ph-index = 3

Forward Citations = 24(Granted Patents)


Company Filing History:

goldMedal5 out of 1,109 
 
Chisso Corporation
 patents

Years Active: 1986-1997

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5 patents (USPTO):Explore Patents
1. 5599626 - Melamine-coated ammonium polyphosphate (1997-02-04),
2. 5534291 - Process for producing a melamine-coated ammonium polyphosphate (1996-07-09),
3. 5213783 - Process for producing finely divided particles of II type ammonium (1993-05-25),
4. 4610862 - Process for producing purified diammonium phosphate from wet process (1986-09-09),
5. 4610853 - Process for producing purified monoammonium phosphate from wet process (1986-09-09),

Title: Chikashi Fukumura: Innovator in Ammonium Polyphosphate Technology

Introduction

Chikashi Fukumura is a notable inventor based in Kitakyushushi, Japan. He has made significant contributions to the field of chemical engineering, particularly in the development of melamine-coated ammonium polyphosphate. With a total of 5 patents to his name, Fukumura's work has garnered attention for its innovative approach to enhancing the properties of ammonium polyphosphate.

Latest Patents

Fukumura's latest patents focus on a melamine-coated ammonium polyphosphate that exhibits unique properties. This innovative compound is characterized by its lack of hygroscopicity, low solubility in water, and resistance to hydrolysis. The process for producing this melamine-coated ammonium polyphosphate involves sublimating melamine and adhering it to the particle surface of powdery ammonium polyphosphate. This advancement not only improves the material's usability but also ensures that it remains powdery without the need for grinding.

Career Highlights

Chikashi Fukumura is associated with Chisso Corporation, where he has been instrumental in advancing research and development in chemical products. His expertise in the field has led to the creation of several patents that enhance the functionality of chemical compounds used in various applications.

Collaborations

Fukumura has collaborated with notable colleagues such as Masuo Iwata and Noriaki Narita. Their combined efforts have contributed to the innovative developments in the field of ammonium polyphosphate technology.

Conclusion

Chikashi Fukumura's contributions to the field of chemical engineering, particularly through his patents on melamine-coated ammonium polyphosphate, highlight his role as a significant inventor. His work continues to influence advancements in chemical applications, showcasing the importance of innovation in this sector.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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