Ibaraki, Japan

Masato Ikegawa

This inventor holds 17 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignees: Hitachi, Ltd., Hitachi Global Storage Technologies Netherlands B.v., Hitachi Chemical Company, Ltd.. Active years: 1982-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masato Ikegawa. Retrieved from https://idiyas.com/inventor/masato-ikegawa

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

USPTO Granted Patents = 17 

% Patents Active = 64.7

 

Average Co-Inventor Count = 4.1

ph-index = 8

Forward Citations = 185(Granted Patents)


Location History:

  • Oaza Shimoinayoshi, JP (1982)
  • Shimoinayoshi, JP (1983)
  • Ibaraki, JP (1982 - 2011)
  • Tsuchiura, JP (2002 - 2014)
  • Tokyo, JP (2008 - 2017)

Company Filing History:


Years Active: 1982-2017

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17 patents (USPTO):Explore Patents

Title: **Masato Ikegawa: Innovator in Inkjet Technology**

Introduction

Masato Ikegawa is a notable inventor based in Ibaraki, Japan. With a remarkable portfolio comprising 17 patents, Ikegawa has made significant contributions to the field of inkjet technology. His innovative designs enhance print quality and efficiency, demonstrating his expertise in developing advanced printing solutions.

Latest Patents

Among his latest inventions, the "Ink Jet Recording Device" stands out. This device addresses bowed printing issues by suppressing horizontal shifts to improve print quality. Utilizing a Microprocessor Unit (MPU), the device generates video data for the effective charging of print particles based on stored print contents data. The MPU can detect the last letter to be printed, ensuring that non-print particles are appropriately managed, thereby enhancing the overall printing process.

Additionally, his invention of the "Inkjet Recording Apparatus" involves a sophisticated voltage application system between first and second deflecting electrodes. This innovation creates a controlled electric field that allows charged droplets to form precise printing patterns. The parallel setup of the deflecting electrodes facilitates the effective deflection of droplets, showcasing Ikegawa's ingenuity in refining inkjet technologies.

Career Highlights

Ikegawa has a distinguished career that includes working for prominent companies such as Hitachi, Ltd. and Hitachi Global Storage Technologies Netherlands B.V. His roles in these organizations have allowed him to apply his expertise in developing cutting-edge printing solutions that have benefited the industry significantly.

Collaborations

During his career, Ikegawa has collaborated with notable colleagues such as Kenji Tojo and Masao Shiibayashi. Their partnerships have resulted in fruitful innovations, further advancing the technology landscape within the inkjet printing sector.

Conclusion

Masato Ikegawa stands as a pivotal figure in the realm of inkjet technology, with his 17 patents reflecting his dedication to innovation. His work continues to influence the printing industry, ensuring high-quality outputs and efficient processes. As advancements in technology progress, Ikegawa’s contributions will undoubtedly serve as foundational elements for future developments in 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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