Tokyo, Japan

Chiharu Okada

This inventor holds 3 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1987-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chiharu Okada. Retrieved from https://idiyas.com/inventor/chiharu-okada

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 = 2.3

ph-index = 3

Forward Citations = 45(Granted Patents)


Company Filing History:


Years Active: 1987-1989

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3 patents (USPTO):Explore Patents

Title: Chiharu Okada: Innovator in Thermal Printing Technology

Introduction

Chiharu Okada is a notable inventor based in Tokyo, Japan, recognized for her contributions to thermal printing technology. With a total of three patents to her name, she has made significant advancements in the field, particularly in enhancing the efficiency and quality of thermal printing systems.

Latest Patents

One of her latest patents is titled "Pattern memory for use in thermal recording." This invention provides a pattern memory that stores a temperature-compensated pattern of a character to be printed on recording paper using a thermal print head. The system utilizes a dot matrix format, where each dot contains multiple binary data points. This design ensures that the heat produced by the print head remains constant, allowing for high-quality prints. Another significant patent is the "Thermal print head driving system," which supplies a predetermined number of driving pulses to heat-producing elements. This system controls the pulse width based on the temperature near the elements, maintaining a consistent tone density during printing.

Career Highlights

Chiharu Okada is currently employed at Ricoh Company, Ltd., where she continues to innovate in the field of thermal printing. Her work has contributed to the development of more efficient printing technologies that are widely used in various applications.

Collaborations

Throughout her career, Okada has collaborated with esteemed colleagues such as Masaaki Mori and Toshio Kawakami. These partnerships have fostered a creative environment that has led to groundbreaking advancements in thermal printing technology.

Conclusion

Chiharu Okada's contributions to thermal printing technology through her innovative patents have significantly impacted the industry. Her work at Ricoh Company, Ltd. and collaborations with other experts highlight her dedication to advancing printing technology.

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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