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For the Inventor, By the Inventor

Otake, Japan

Masami Takeda

This inventor holds 7 USPTO granted patents. Top assignee: Mitsui Petrochemical Industries, Ltd.. Active years: 1981-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masami Takeda. Retrieved from https://idiyas.com/inventor/masami-takeda-4y8zj88o

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

Calculating rank
USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 5

Forward Citations = 83(Granted Patents)


Location History:

  • Iwakuni, JP (1981)
  • Ohtake, JP (1986)
  • Otake, JP (1985 - 1991)
  • Waki, JP (1991)

Company Filing History:

goldMedal7 out of 1,008 
 
Mitsui Petrochemical Industries, Ltd.
 patents

Years Active: 1981-1991

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7 patents (USPTO):Explore Patents
1. 5059487 - Hot-melt adhesive composition (1991-10-22),
2. 4983674 - Hot melt adhesive compositions (1991-01-08),
3. 4762878 - Polymer composition and the use thereof (1988-08-09),
4. 4570024 - Novel substituted aromatic hydrocarbons, processes for production (1986-02-11),
5. 4533700 - Hydrocarbon resin and modified hydrocarbon resin product thereof (1985-08-06),
6. 4513130 - Hydrocarbon resin and modified hydrocarbon resin product thereof (1985-04-23),
7. 4284541 - Hot-melt pressure sensitive adhesive compound (1981-08-18),

Title: Masami Takeda: Innovator in Hot-Melt Adhesive Technology

Introduction

Masami Takeda is a prominent inventor based in Otake, Japan. He has made significant contributions to the field of adhesive technology, holding a total of 7 patents. His work focuses on developing innovative hot-melt adhesive compositions that enhance performance and application versatility.

Latest Patents

Among his latest patents, Takeda has disclosed a hot-melt adhesive composition that includes (a) 20 to 70 parts by weight of a vinyl aromatic compound/conjugated diene copolymer or a hydrogenation product thereof, (b) 30 to 80 parts by weight of an alicyclic hydrocarbon resin tackifier, and (c) 0.3 to 20 parts by weight of a random copolymer of a cyclic olefin and ethylene. This composition is designed to improve the bonding properties and usability of hot-melt adhesives in various applications.

Career Highlights

Masami Takeda is associated with Mitsui Petrochemical Industries, Ltd., where he has been instrumental in advancing adhesive technologies. His innovative approaches have positioned him as a key figure in the development of high-performance adhesive solutions.

Collaborations

Throughout his career, Takeda has collaborated with notable colleagues, including Kinya Mizui and Tsuneaki Muro. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Masami Takeda's contributions to hot-melt adhesive technology reflect his dedication to innovation and excellence in the field. His patents and collaborations continue to influence the industry, showcasing the importance of research and development in adhesive applications.

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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