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For the Inventor, By the Inventor

Yokohama, Japan

Daisuke Hasegawa

This inventor holds 16 USPTO granted patents and 1 published patent application and 11 EPO patents. Top assignees: Mitsui Chemicals, Inc., Asahi Glass Company, Limited. Active years: 2005-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Daisuke Hasegawa. Retrieved from https://idiyas.com/inventor/daisuke-hasegawa

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 = 93.8

 

Average Co-Inventor Count = 5.9

ph-index = 3

Forward Citations = 33(Granted Patents)


Location History:

  • Ichihara, JP (2014 - 2019)
  • Sodegaura, JP (2021)
  • Yokohama, JP (2005 - 2022)
  • Bangkok, TH (2022)

Company Filing History:

goldMedal15 out of 1,816 
 
Mitsui Chemicals, Inc.
 patents
silverMedal1 out of 2,560 
 
Asahi Glass Company, Limited
 patents

Years Active: 2005-2022

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16 patents (USPTO):Explore Patents
1. 11312815 - Polyurethane resin, producing method of polyurethane resin, and molded article (2022-04-26),
2. 11254791 - Polyurethane gel and production method thereof (2022-02-22),
3. 11254783 - Xylylenediisocyanate composition, xylylenediisocyanate-modified composition, two-component resin material, and resin (2022-02-22),
4. 11058660 - External wound-healing agent, and external wound-healing material (2021-07-13),
5. 10927213 - Producing method of polyurethane resin, polyurethane resin, and molded article (2021-02-23),
6. 10640605 - Xylylenediisocyanate composition, xylylenediisocyanate-modified composition, two-component resin material, and resin (2020-05-05),
7. 10633483 - Foaming thermoplastic polyurethane resin, producing method thereof, and molded article (2020-04-28),
8. 10513575 - Foam polyurethane material, molded article, and method for producing foam polyurethane material (2019-12-24),
9. 10227468 - Polyurethane resin (2019-03-12),
10. 9796824 - Polyurethane resin (2017-10-24),
11. 9720137 - Eyewear material, eyewear frame, and eyewear (2017-08-01),
12. 9477012 - 1,4-bis(isocyanatomethyl)cyclohexane, polyisocyanate composition, polyurethane resin, molded article, eyewear material, eyewear frame, and lens (2016-10-25),
13. 9475903 - 1,4-bis(isocyanatomethyl)cyclohexane, polyisocyanate composition, polyurethane resin, molded article, eyewear material, eyewear frame, and lens (2016-10-25),
14. 9404132 - Method for producing 1,5-pentamethylenediamine, 1,5-pentamethylenediamine, 1,5-pentamethylene diisocyanate, method for producing 1,5-pentamethylene diisocyanate, polyisocyanate composition, and polyurethane resin (2016-08-02),
15. 8722752 - Polyurethane resin (2014-05-13),

Title: Daisuke Hasegawa: Innovator in Polyurethane Resin Technology

Introduction

Daisuke Hasegawa is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of polyurethane resin technology, holding a total of 16 patents. His innovative work has advanced the understanding and application of polyurethane materials in various industries.

Latest Patents

Hasegawa's latest patents include a method for producing polyurethane resin and a molded article. The polyurethane resin is a reaction product of a polyisocyanate component containing bis(isocyanatomethyl)cyclohexane and a macropolyol component with a number average molecular weight ranging from above 400 to 5000 or less. The resin exhibits a shore A hardness of 80 or less, and a storage elastic modulus E' at 200°C or more. Additionally, he has developed a xylylenediisocyanate composition that includes xylylenediisocyanate and a specific compound, ensuring precise chemical properties for enhanced performance.

Career Highlights

Throughout his career, Hasegawa has worked with notable companies such as Mitsui Chemicals, Inc. and Asahi Glass Company, Limited. His experience in these organizations has allowed him to refine his expertise in polymer chemistry and material science.

Collaborations

Hasegawa has collaborated with esteemed colleagues, including Satoshi Yamasaki and Goro Kuwamura. These partnerships have fostered a creative environment that has led to groundbreaking advancements in polyurethane technology.

Conclusion

Daisuke Hasegawa's contributions to polyurethane resin technology exemplify his innovative spirit and dedication to advancing material science. His patents and collaborations continue to influence the industry, showcasing the importance of research and development in creating new 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]
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