Makiko Ijiri

This inventor holds 7 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 3 EPO patents. Top assignees: Jfe Chemical Corporation, Kawasaki Steel Corporation. Active years: 1991-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makiko Ijiri. Retrieved from https://idiyas.com/inventor/makiko-ijiri

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

Calculating rank

USPTO Granted Patents = 7 (Patent Applications = 1)

% Patents Active = 85.7

CIPO Patents = 1 (Patent Applications = 1)

EPO Patents = 3 (Patent Applications = 4)

Average Co-Inventor Count = 4.6

ph-index = 2

Forward Citations = 7(Granted Patents)

Location History:

Tokyo, JP (2016 - 2017)
Chiba, JP (1991 - 2019)

Company Filing History:

4 out of 29

Jfe Chemical Corporation

patents

3 out of 1,256

Kawasaki Steel Corporation

patents

Years Active: 1991-2019

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10170752 - Method for producing amorphous carbon particle, amorphous carbon particles, negative electrode material for lithium ion secondary batteries, and lithium ion secondary battery (2019-01-01),

2. 9735421 - Method for producing amorphous carbon particles, amorphous carbon particles, negative electrode material for lithium ion secondary battery, and lithium ion secondary battery (2017-08-15),

3. 9379384 - Method for producing non-graphitizable carbon material, negative electrode material for lithium ion secondary battery, and lithium ion secondary battery (2016-06-28),

4. 9327978 - Method for producing non-graphitizable carbon material, non-graphitizable carbon material, negative electrode material for lithium-ion secondary battery, and lithium-ion secondary battery (2016-05-03),

5. 6066685 - Method for treating plastics and solid fuel obtained by the same method (2000-05-23),

6. 5124477 - Process for preparing para-hydroxybenzoic acid (1992-06-23),

7. 5072036 - Process for preparing para-hydroxybenzoic acid (1991-12-10),

Title: Makiko Ijiri - Innovative Inventor from Chiba, JP

Introduction: Makiko Ijiri is a pioneering inventor based in Chiba, Japan, known for her groundbreaking contributions to the field of technology and innovation.

Latest Patents: Makiko Ijiri holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing her versatility and forward-thinking approach to invention.

Career Highlights: With over two decades of experience in research and development, Makiko Ijiri has led numerous successful projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout her career, Makiko Ijiri has collaborated with leading universities, research institutions, and tech companies to bring her innovative ideas to life, demonstrating her ability to work effectively in multidisciplinary teams.

Conclusion: Makiko Ijiri's passion for innovation and her dedication to pushing the boundaries of what is possible make her a true trailblazer in the world of invention.

Profile summary based on public USPTO records.