Numazu, Japan

Kayo Makita

This inventor holds 4 USPTO granted patents. Top assignees: Ricoh Company, Ltd., Other. Active years: 1990-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kayo Makita. Retrieved from https://idiyas.com/inventor/kayo-makita

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


% Patents Active = 100.0

Average Co-Inventor Count = 5.2

ph-index = 4

Forward Citations = 74(Granted Patents)


Company Filing History:

goldMedal4 out of 28,951 
 
Ricoh Company, Ltd.
 patents
silverMedal1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1990-1994

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4 patents (USPTO):Explore Patents

Title: The Innovative Mind of Kayo Makita

Introduction

Kayo Makita is a remarkable inventor based in Numazu, Japan, known for her significant contributions to the field of electrophotography. With a total of four patents to her name, Makita has paved the way for advancements in color image formation methods and toner technology.

Latest Patents

Makita's latest inventions include a multi-color electrophotographic image formation method. This innovative technique involves forming visible yellow, magenta, cyan, and black images by developing latent electrostatic images corresponding to these colors and fixing them onto an image receiving member. Notably, the process ensures that the reflection image density and transmission image density of the black images produced by the black developer maintain a specific relationship for optimal quality.

Additionally, she has developed a dry type toner for electrophotography, which consists of a coloring agent and a polyol resin functioning as a binder agent. This resin is meticulously produced through a series of reaction steps involving bisphenol-type epoxy resin to eliminate any leftover epoxy groups, promising enhanced performance in printing applications.

Career Highlights

Throughout her illustrious career, Kayo Makita has worked with prominent organizations, including Ricoh Company, Ltd. Her experience in the industry has significantly influenced her inventive spirit and led to noteworthy breakthroughs in imaging technology.

Collaborations

Makita has collaborated with esteemed colleagues such as Nobuhiro Nakayama and Yasuo Asahina. Their teamwork reflects a shared commitment to innovation and excellence in the field of electrophotography, resulting in advances that benefit the wider community.

Conclusion

Kayo Makita's contributions to the field of electrophotography and toner technology demonstrate her status as a leading inventor. With her innovative patents, she has profoundly impacted the industry, paving the way for future advancements. Her work continues to inspire and foster creativity within the field, marking her as a significant figure in modern invention.

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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