Shiga, Japan

Hiromu Sonoda

This inventor holds 3 USPTO granted patents. Top assignee: Chisso Corporation. Active years: 1981-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiromu Sonoda. Retrieved from https://idiyas.com/inventor/hiromu-sonoda

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 = 2.6

ph-index = 3

Forward Citations = 67(Granted Patents)


Location History:

  • Shigaken, JP (1981 - 1984)
  • Shiga, JP (1991)

Company Filing History:


Years Active: 1981-1991

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3 patents (USPTO):Explore Patents

Title: Hiromu Sonoda: Innovator in Tobacco Filter Technology

Introduction

Hiromu Sonoda is a notable inventor based in Shiga, Japan. He has made significant contributions to the field of tobacco filter technology, holding a total of 3 patents. His innovative approaches have led to advancements in the production processes and materials used in tobacco filters.

Latest Patents

Sonoda's latest patents include a tobacco filter stock that is capable of being molded into a filter solely through the entanglement of filaments. This method eliminates the need for adhesion means, resulting in a filter that possesses suitable hardness and superior whiteness. Additionally, he has developed a process for producing a highly bulky nonwoven fabric. This process involves melt-spinning a crystalline propylene polymer and an ethylene polymer into composite fibers, which are then treated to achieve specific properties.

Career Highlights

Hiromu Sonoda is currently associated with Chisso Corporation, where he continues to innovate and develop new technologies. His work has been instrumental in enhancing the quality and efficiency of tobacco filter production.

Collaborations

Throughout his career, Sonoda has collaborated with notable colleagues such as Taizo Sugihara and Yasuhiko Furukawa. These partnerships have fostered a creative environment that encourages the exchange of ideas and expertise.

Conclusion

Hiromu Sonoda's contributions to tobacco filter technology exemplify the impact of innovation in the industry. His patents and collaborative efforts continue to shape the future of this field.

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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