Hiratsuka, Japan

Masaru Sakuma

This inventor holds 1 USPTO granted patent. Top assignee: Japan Tobacco Inc.. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaru Sakuma. Retrieved from https://idiyas.com/inventor/masaru-sakuma-5lb0qmr6

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 = 5.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: Masaru Sakuma: Innovator in Tobacco Processing Technology

Introduction

Masaru Sakuma is a notable inventor based in Hiratsuka, Japan. He has made significant contributions to the field of tobacco processing, particularly through his innovative methods that enhance the quality of cut tobacco used in cigarette production.

Latest Patents

Sakuma holds a patent for a method titled "Method for plumping and moisture regulating cut tobacco." This method involves impregnating cut tobacco with an adjuvant plumping agent and forcing it to expand, which inflates the tissues of the tobacco. The process includes an idle storage step where the plumped tobacco is kept at a low moisture content, followed by a remoisturizing step to achieve a predetermined final moisture content level. This innovative approach allows for remarkable plumping of cut tobacco before it is utilized in cigarette manufacturing.

Career Highlights

Masaru Sakuma has dedicated his career to improving tobacco processing techniques. His work at Japan Tobacco Inc. has positioned him as a key figure in the industry, where he continues to develop methods that enhance product quality and efficiency.

Collaborations

Sakuma has collaborated with notable colleagues, including Takashi Ogawa and Mitsuru Chujo. Their combined expertise has contributed to advancements in tobacco processing technologies.

Conclusion

Masaru Sakuma's innovative methods in tobacco processing demonstrate his commitment to enhancing the quality of cut tobacco. His contributions have made a significant impact on the industry, showcasing the importance of innovation in product development.

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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