Kanagawa, Japan

Takeshi Hirokane

This inventor holds 19 USPTO granted patents and 6 published patent applications, plus 2 CIPO patents and 9 EPO patents, primarily in Polyester Resin Technology. Top assignee: Mitsubishi Gas Chemical Company, Inc.. Active years: 2002-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Hirokane. Retrieved from https://idiyas.com/inventor/takeshi-hirokane

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

Calculating rank
USPTO Granted Patents = 19 

% Patents Active = 89.5


 

Average Co-Inventor Count = 3.0

ph-index = 7

Forward Citations = 113(Granted Patents)


Location History:

  • Kanagawa-ken, JP (2002)
  • Hiratsuka, JP (2013)
  • Kanagawa, JP (2003 - 2018)
  • Tokyo, JP (2020)

Company Filing History:


Years Active: 2002-2020

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Areas of Expertise:
Polyester Resin
Optical Lens
Injection-Molded Article
Thermoplastic Resin
Glycol Compound
Prefilled Syringe
Polyester Film
Copolyester Resin
Molded Product
Production Process
Composition
Polyester Container
19 patents (USPTO):Explore Patents

Title: Innovations in Polyester Resin: The Achievements of Takeshi Hirokane

Introduction: Takeshi Hirokane is an accomplished inventor based in Kanagawa, Japan, renowned for his contributions to the field of polymer science. With a remarkable portfolio of 19 patents, he has demonstrated a deep commitment to advancing the technology and application of polyester resins. His innovative approach has led to significant developments that enhance material properties for various commercial applications.

Latest Patents: Among his latest patents, Hirokane has developed a sophisticated polyester resin composition. This composition comprises a polyester resin and ultramarine in concentrations of 1 to 500 ppm, incorporating specific structural units that yield enhanced material characteristics. One notable patent elaborates on a polyester resin that includes a cyclic acetal skeleton-derived diol structural unit, ensuring that the structural integrity and functionality are maintained at an optimal level.

Another significant invention involves an advanced polyester resin containing a diol unit derived from pentacyclopentadecane dimethanol, along with a dicarboxylic acid unit derived from an aromatic dicarboxylic acid. This innovative resin meets specific conditions that maximize its efficacy for injection-molded articles, polyester sheets, and polyester containers.

Career Highlights: Hirokane's career is anchored at Mitsubishi Gas Chemical Company, Inc., where he has played a pivotal role in researching and developing advanced polyester materials. His expertise in material science has not only fueled his individual patents but also contributed significantly to the company’s innovative projects and market offerings.

Collaborations: Throughout his career, Hirokane has had the opportunity to collaborate with other notable professionals in his field, including Dai Oguro and Shojiro Kuwahara. These collaborations have further enriched his research, facilitating the exchange of ideas and fostering innovation within the team.

Conclusion: Takeshi Hirokane's work in polyester resin development exemplifies the impact of innovation on material science. With his extensive patent portfolio and collaborative efforts, he continues to inspire advancements that meet the evolving needs of the industry. His contributions not only showcase individual brilliance but also reflect the potential of teamwork in fostering progressive 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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