Yokohama, Japan

Naomi Fukagawa

This inventor holds 1 USPTO granted patent. Top assignee: Ricoh Company, Ltd.. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naomi Fukagawa. Retrieved from https://idiyas.com/inventor/naomi-fukagawa

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 15(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: An Overview of Inventor Naomi Fukagawa

Introduction: Naomi Fukagawa is an innovative inventor based in Yokohama, Japan, recognized for her significant contributions to the field of electrophotographic technology. With a unique patent under her name, she has made strides in enhancing the efficiency and effectiveness of developing devices.

Latest Patents: Naomi Fukagawa holds a patent for a single component developing device specifically designed for use in electrophotographic copying machines. This invention allows for the development of latent images on image carriers efficiently. The device comprises key components such as a developer carrying member with a resistor layer on its surface, a regulation member that controls the thickness of the developer, a replenishing member for adding developer, and a removing member that clears the developer after the developing process. Notably, her invention includes specific inequalities involving time constants and operational time periods to achieve optimal developing conditions, offering nine methods for setting these combinations.

Career Highlights: Currently, Naomi is associated with Ricoh Company, Ltd., where her expertise significantly contributes to ongoing innovations in printing technology. Her work focuses on improving the performance and reliability of developing devices, highlighting her commitment to advancing the technological landscape.

Collaborations: During her career, Naomi has collaborated with fellow innovators Toshihiko Takaya and Kouji Sakamoto. Together, they have contributed to enhancing the functionality and efficiency of developing technologies, adding valuable insights and expertise to their projects.

Conclusion: Naomi Fukagawa is a remarkable inventor whose work in the field of electrophotography is making a considerable impact. Her patent demonstrates her innovative thinking and problem-solving abilities, positioning her as a valuable contributor to the technological advancements in her industry. With continued collaboration and research, her future contributions are likely to further influence the realm of electrophotographic devices.

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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