Ichihara, Japan

Tetsujiro Tatsumi

This inventor holds 2 USPTO granted patents. Top assignees: Takeda Chemical Industries, Inc., Mitsui Polychemicals, Co., Ltd.. Active years: 1978-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsujiro Tatsumi. Retrieved from https://idiyas.com/inventor/tetsujiro-tatsumi

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 = 4.4

ph-index = 2

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 1978-1982

Loading Chart...
2 patents (USPTO):Explore Patents

Title: Tetsujiro Tatsumi: Innovator in Adhesive Technologies

Introduction

Tetsujiro Tatsumi is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of adhesive technologies, holding a total of 2 patents. His work focuses on improving the performance and safety of adhesive compositions and coated materials.

Latest Patents

Tatsumi's latest patents include a hot-melt adhesive composition that enhances adhesivity compared to previously known formulations. This composition consists of a first component made of a hydrolyzed ethylene-vinyl acetate copolymer and a second component that is a tackifying resin. The innovative formulation may also include a wax as a third component, further improving its properties. Another significant patent involves coated glass bottles designed for beverages, which utilize a thermally cured material to prevent scattering of glass fragments upon breakage. This coating provides excellent clarity, alkali resistance, and durability.

Career Highlights

Throughout his career, Tatsumi has worked with prominent companies such as Takeda Chemical Industries, Inc. and Mitsui Polychemicals Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced adhesive solutions.

Collaborations

Tatsumi has collaborated with notable coworkers, including Reiji Miyamoto and Masamitsu Nakabayashi. Their combined efforts have led to innovative advancements in adhesive technologies.

Conclusion

Tetsujiro Tatsumi's contributions to adhesive technology through his patents and collaborations highlight his role as a significant inventor in this field. His work continues to influence the development of safer and more effective adhesive solutions.

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]
Loading…