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For the Inventor, By the Inventor

Ichihara, Japan

Takuji Okamoto

This inventor holds 24 USPTO granted patents and 4 published patent applications and 9 EPO patents, primarily in Olefin Polymerization. Top assignees: Idemitsu Kosan Company, Limited, Idemitsu Petrochemical Co., Ltd.. Active years: 1994-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takuji Okamoto. Retrieved from https://idiyas.com/inventor/takuji-okamoto

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

USPTO Granted Patents = 24 

% Patents Active = 58.3

 

Average Co-Inventor Count = 3.3

ph-index = 9

Forward Citations = 280(Granted Patents)


Location History:

  • Sodegaura, JP (1994 - 2002)
  • Ichiharashi, JP (2009)
  • Chiba, JP (2004 - 2013)
  • Ichihara, JP (2003 - 2023)

Company Filing History:

goldMedal20 out of 2,283 
 
Idemitsu Kosan Company, Limited
 patents
silverMedal4 out of 555 
 
Idemitsu Petrochemical Co., Ltd.
 patents

Years Active: 1994-2024

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Areas of Expertise:
Olefin Polymerization
Polypropylene Adhesive
Transition Metal Compound
Catalyst
Molded Object
Cyclic Olefin
Hydrocarbon Compound
Resin Composition
Metallocene Complexes
Polymer Production
Composition
Long-Chain Alkyl
24 patents (USPTO):Explore Patents
1. 12110424 - Polypropylene-based adhesive and method for producing same (2024-10-08),
2. 11795188 - Transition metal compound and method for producing olefin polymer (2023-10-24),
3. 9394213 - Method for producing α-olefin (2016-07-19),
4. 8729284 - Process for production of meso-form and racemic form metallocene complexes (2014-05-20),
5. 8445618 - Highly crystalline higher α-olefin polymer and process for production thereof (2013-05-21),
6. 8178635 - α-Olefin polymer and process for production thereof (2012-05-15),
7. 8119850 - Process for producing unsaturated hydrocarbon compound (2012-02-21),
8. 7790909 - Dioxolane derivative and method for producing same (2010-09-07),
9. 7544758 - Propylene polymer and composition containing the same, molded object and laminate comprising these, and processes for producing propylene polymer and composition containing the same (2009-06-09),
10. 7453005 - Transition metal compound and catalyst for olefin polymerization (2008-11-18),
11. 7402610 - Carbonyl compound containing long-chain branched alkyl group (2008-07-22),
12. 7320950 - Propylene polymer, and resin composition and molded product thereof (2008-01-22),
13. 7199202 - Propylene polymer and composition containing the same, molded object and laminate comprising these, and processes for producing propylene polymer and composition containing the same (2007-04-03),
14. 6906155 - Propylene polymer and composition containing the same, molded object and laminate comprising these, and processes for producing propylene polymer and composition containing the same (2005-06-14),
15. 6770772 - Transition metal compound, polymerization catalysts for olefin, olefin polymers and process for their production (2004-08-03),

Title: Innovations of Takuji Okamoto

Introduction

Takuji Okamoto, an accomplished inventor based in Ichihara, Japan, has made significant contributions to the field of material science with a remarkable portfolio of 24 patents. His inventions primarily focus on advanced adhesive formulations and olefin polymer technologies, showcasing his expertise in polymer chemistry.

Latest Patents

Among Takuji Okamoto's latest innovations are a series of groundbreaking patents that enhance the functionality and efficiency of materials. One notable patent involves a polypropylene-based adhesive, which emphasizes the careful manipulation of the resin's molecular weight to achieve optimal adhesive properties. This adhesive formula specifically manages the melting endotherm range, demonstrating a meticulous approach to material selection and processing.

Another recent patent details a transition metal compound and its application in producing olefin polymers. This complex formula highlights collaborators from various chemical groups and emphasizes crosslinking agents and Lewis bases, showcasing Okamoto's profound understanding of polymer chemistry and material interactions.

Career Highlights

Throughout his career, Takuji Okamoto has worked with prestigious organizations including Idemitsu Kosan Company, Limited, and Idemitsu Petrochemical Co., Ltd. His tenure at these companies has not only honed his skills but has also positioned him as a key player in the development of innovative adhesive solutions and polymer technologies.

Collaborations

In his professional journey, Okamoto has collaborated with talented individuals such as Takashi Kashiwamura and Yutaka Minami. These partnerships have fostered an environment of innovation and creativity, leading to advancements in the field and a rich exchange of ideas that have propelled their shared work forward.

Conclusion

Takuji Okamoto's contributions to the field of materials innovation are noteworthy and impactful. With a strong foundation in polymer science and a proven track record of patent filings, he continues to advance technology in adhesive and polymer applications. As his work evolves, the implications of his research are sure to influence various industries, paving the way for future innovations.

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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