logo

For the Inventor, By the Inventor

Chadds Ford, PA, United States of America

Toshikazu Kobayashi

This inventor holds 16 USPTO granted patents and 11 published patent applications and 11 EPO patents. Top assignees: E.i. Dupont De Nemours and Company, Celanese Polymers Holding, Inc., Other. Active years: 1994-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshikazu Kobayashi. Retrieved from https://idiyas.com/inventor/toshikazu-kobayashi-sd7l7aex

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

USPTO Granted Patents = 16 

% Patents Active = 68.8

 

Average Co-Inventor Count = 2.2

ph-index = 4

Forward Citations = 66(Granted Patents)


Location History:

  • Hockessin, DE (US) (1995)
  • Yokohama, JP (1994 - 1999)
  • Kanagawa, JP (2001)
  • Chadds Ford, PA (US) (2007 - 2014)

Company Filing History:

goldMedal14 out of 16,339 
 
E.i. Dupont De Nemours and Company
 patents
silverMedal1 out of 8 
 
Celanese Polymers Holding, Inc.
 patents
bronzeMedal1 out of 834,570 
Other
 patents

Years Active: 1994-2025

Loading Chart...
Loading Chart...
16 patents (USPTO):Explore Patents
1. 12187892 - Polyamide compositions (2025-01-07),
2. 8829112 - Polyester composition resistant to hydrolysis (2014-09-09),
3. 8664325 - Poly(trimethylene terephthalate) molding resins and molded articles therefrom (2014-03-04),
4. 8530571 - Polyamide compositions having high acid ends (2013-09-10),
5. 8445575 - Thermoplastic articles including polyhydroxy polymers (2013-05-21),
6. 8445574 - Heat resistant thermoplastic articles including polyhydroxy polymers (2013-05-21),
7. 8389604 - Method for providing toughened poly(trimethylene terephthalate) molding resins (2013-03-05),
8. 8263213 - Painted composite thermoplastic articles (2012-09-11),
9. 8163848 - Antistatic poly(hydroxyalkanoic acid) compositions (2012-04-24),
10. 7304107 - Toughened poly(ethylene terephthalate) compositions (2007-12-04),
11. 6238793 - Method for production of a low density polyethylene-lamellar silicate composite material (2001-05-29),
12. 5990213 - Flame resistant polyester resin composition (1999-11-23),
13. 5817723 - Toughened thermoplastic polymer compositions (1998-10-06),
14. 5523341 - Polyoxymethylene resin compositions having improved weatherability (1996-06-04),
15. 5418286 - Polyacetal resin composition (1995-05-23),

Title: The Innovations of Toshikazu Kobayashi

Introduction

Toshikazu Kobayashi is a notable inventor based in Chadds Ford, PA (US). He holds a total of 16 patents, showcasing his significant contributions to the field of materials science and engineering. His work primarily focuses on developing advanced polymer compositions with unique properties.

Latest Patents

Among his latest innovations, Kobayashi has developed polyamide compositions that possess a combination of specific physical properties. These properties enable the molding of articles that include at least one annular connector or barb, designed for the attachment of hoses. Additionally, he has created a polyester composition resistant to hydrolysis. This composition includes a first modifier that is incompatible with poly(hydroxyalkanoic acid) and is not an acid-containing or acid-generating polymer. His patents also detail processes for preparing these compositions and the articles derived from them.

Career Highlights

Kobayashi has had a distinguished career, working with prominent companies such as E.I. DuPont De Nemours and Company. His experience in these organizations has allowed him to refine his expertise in polymer science and contribute to various innovative projects.

Collaborations

Throughout his career, Kobayashi has collaborated with several talented individuals, including Tatsuhiro Takahashi and Edmund Arthur Flexman. These collaborations have further enriched his work and led to the development of groundbreaking technologies.

Conclusion

Toshikazu Kobayashi's contributions to polymer science through his numerous patents highlight his innovative spirit and dedication to advancing material technologies. His work continues to influence the industry and inspire 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]
Loading…