Kyoto, Japan

Yasuharu Tanakamaru

This inventor holds 1 USPTO granted patent. Top assignees: Dai-Ichi Kogyo Seiyaku Co., Ltd., Mitsubishi Oil Co., Ltd.. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuharu Tanakamaru. Retrieved from https://idiyas.com/inventor/yasuharu-tanakamaru

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 = 4.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1987

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1 patent (USPTO):Explore Patents

Title: Yasuharu Tanakamaru: Innovator in Paper Sizing Technology

Introduction

Yasuharu Tanakamaru is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of paper making through his innovative patent. His work focuses on enhancing the quality and efficiency of paper production.

Latest Patents

Tanakamaru holds a patent for a sizing agent suitable for use in paper making. This composition is particularly useful as a paper sizing agent and comprises a substituted succinic anhydride. The formula includes a hydrocarbon group with at least six carbon atoms, which can be selected from various groups such as alkyl, alkenyl, aralkyl, or aralkenyl.

Career Highlights

Throughout his career, Tanakamaru has worked with prominent companies in the industry. He has been associated with Dai-ichi Kogyo Seiyaku Co., Ltd. and Mitsubishi Oil Co., Ltd. His experience in these organizations has contributed to his expertise in the field of paper technology.

Collaborations

Tanakamaru has collaborated with notable colleagues, including Kinya Yokota and Akinobu Ichihara. These partnerships have likely enriched his work and led to advancements in his research and innovations.

Conclusion

Yasuharu Tanakamaru is a distinguished inventor whose work in paper sizing technology has made a lasting impact. His innovative patent and collaborations highlight his contributions to the industry.

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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