Ibaraki, Japan

Hiroshi Tsunoda

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi Koki Co., Ltd.. Active years: 2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Tsunoda. Retrieved from https://idiyas.com/inventor/hiroshi-tsunoda-d8f9vufs

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2001

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1 patent (USPTO):Explore Patents

Title: Hiroshi Tsunoda: Innovator in Imaging Technology

Introduction

Hiroshi Tsunoda is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of imaging technology, particularly through his innovative patent related to image forming apparatuses. His work has implications for various applications in printing and imaging systems.

Latest Patents

Hiroshi Tsunoda holds a patent for an "Imaging forming apparatus having a toner exhausting device." This invention includes a developing unit with a photoreceptor that creates an electrostatic latent image visible as a toner image. The apparatus features a toner hopper that stores toner for the developing unit and a cleaning device that removes and recovers leftover toner from the photoreceptor after the image transfer. A toner transporting passage connects the cleaning device to the toner hopper, allowing for the recovery and return of toner. The design includes a toner exhausting port that facilitates the expulsion of toner from the cleaning device, enhancing the efficiency of the imaging process.

Career Highlights

Hiroshi Tsunoda is associated with Hitachi Koki Co., Ltd., where he has contributed to advancements in imaging technology. His innovative approach has led to the development of efficient imaging systems that improve the quality and reliability of printed materials.

Collaborations

Hiroshi has worked alongside talented colleagues such as Yuichiro Suzuki and Yoshitaka Fujinuma. Their collaborative efforts have fostered an environment of innovation and creativity within their projects.

Conclusion

Hiroshi Tsunoda's contributions to imaging technology through his patent demonstrate his commitment to innovation in the field. His work continues to influence the development of advanced imaging systems, showcasing the importance of inventors in driving technological progress.

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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