Numazu, Japan

Hiroshi Tanaka

This inventor holds 1 USPTO granted patent. Top assignee: Ricoh Company, Ltd.. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Tanaka. Retrieved from https://idiyas.com/inventor/hiroshi-tanaka-xron620m

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 = 5.0

ph-index = 1

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: Innovations of Hiroshi Tanaka in Electrophotography

Introduction

Hiroshi Tanaka is a notable inventor based in Numazu, Japan. He has made significant contributions to the field of electrophotography, particularly in the development of devices that enhance image quality during the copying process. His work has been instrumental in advancing the technology used in color electrophotography.

Latest Patents

Hiroshi Tanaka holds a patent for a developing device that forms a thin layer of toner on toner. This device is designed for use in color electrophotography and includes a toner conveying member along with a toner layer thickness controlling member that is in contact with the toner conveying member. The color toner used in this developing device maintains a consistent image quality even after continuous copying, ensuring that the output remains high-quality throughout the process. He has 1 patent related to this innovative technology.

Career Highlights

Tanaka is associated with Ricoh Company, Ltd., a leading organization in imaging and electronics. His work at Ricoh has allowed him to focus on developing advanced technologies that improve the efficiency and effectiveness of electrophotographic devices. His contributions have been recognized within the industry, showcasing his expertise and commitment to innovation.

Collaborations

Hiroshi Tanaka has worked alongside talented colleagues such as Masami Tomita and Hachiro Tosaka. Their collaborative efforts have contributed to the success of various projects within Ricoh, further enhancing the company's reputation for innovation in imaging technology.

Conclusion

Hiroshi Tanaka's work in developing devices for color electrophotography exemplifies the importance of innovation in the field. His patent and contributions to Ricoh Company, Ltd. highlight his role as a key figure in advancing imaging technology. His dedication to improving image quality through innovative solutions continues to impact the industry positively.

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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