Tokyo, Japan

Takumi Miyagawa

This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignee: Ricoh Company, Ltd.. Active years: 2020-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takumi Miyagawa. Retrieved from https://idiyas.com/inventor/takumi-miyagawa

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

Calculating rank
USPTO Granted Patents = 3 

% Patents Active = 100.0

Average Co-Inventor Count = 4.5

ph-index = 1


Location History:

  • Tokyo, JP (2020)
  • Kanagawa, JP (2021)

Company Filing History:


Years Active: 2020-2021

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3 patents (USPTO):Explore Patents

Title: Takumi Miyagawa: Innovator in Toner Detection Technology

Introduction

Takumi Miyagawa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of imaging technology, particularly in toner detection systems. With a total of 3 patents to his name, Miyagawa's work has advanced the efficiency and functionality of image forming apparatuses.

Latest Patents

Miyagawa's latest patents include innovative technologies such as a toner amount detector, a toner amount detection method, and a non-transitory storage medium storing a program. The toner amount detector is designed to accurately measure the amount of toner in a toner bottle. It features at least one pair of electrodes positioned opposite each other across the toner bottle, along with grounding members that are electrically grounded. The circuitry within the device allows for the switching between first and second detection processes, while an indicator alerts users to any positional deviations of the electrodes. The first detection process measures toner amount based on capacitance, while the second detects positional deviations.

Another significant patent involves an image forming apparatus that includes an electrode pair and a powder container. This apparatus is equipped with a capacitance detector that assesses the capacitance between the electrodes. It also features a powder container mounting determiner that verifies whether the powder container is correctly mounted based on capacitance readings. If the container is properly mounted, the image forming execution controller activates the image formation process.

Career Highlights

Miyagawa is currently employed at Ricoh Company, Ltd., a leading firm in imaging and electronics. His work at Ricoh has allowed him to focus on developing cutting-edge technologies that enhance the performance of imaging devices.

Collaborations

Throughout his career, Miyagawa has collaborated with talented individuals such as Masashi Hommi and Yuji Ieiri. These partnerships have fostered innovation and contributed to the successful development of his patented technologies.

Conclusion

Takumi Miyagawa's contributions to toner detection technology exemplify his commitment to innovation in the imaging industry. His patents reflect a deep understanding of the technical challenges in this field and offer practical solutions that enhance the functionality of image forming 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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