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For the Inventor, By the Inventor

Tsukuba, Japan

Hidenobu Kakimoto

This inventor holds 16 USPTO granted patents and 5 published patent applications and 12 EPO patents. Top assignees: Sumitomo Chemical Company, Limited, Joled Inc., Cambridge Display Technology Limited. Active years: 2012-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidenobu Kakimoto. Retrieved from https://idiyas.com/inventor/hidenobu-kakimoto

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 = 2.3

ph-index = 3

Forward Citations = 15(Granted Patents)


Location History:

  • Ibaraki, JP (2014 - 2015)
  • Tsukuba, JP (2012 - 2017)
  • Osaka, JP (2018 - 2021)

Company Filing History:

goldMedal14 out of 6,964 
 
Sumitomo Chemical Company, Limited
 patents
silverMedal2 out of 713 
 
Joled Inc.
 patents
bronzeMedal1 out of 335 
 
Cambridge Display Technology Limited
 patents
4. 1 out of 16,454 
 
Panasonic Corporation
 patents
5. 1 out of 1 
 
Sumitomo Chemical Company, Limtied
 patent
where one patent can have more than one assignee

Years Active: 2012-2021

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16 patents (USPTO):Explore Patents
1. 11046886 - Method for producing liquid composition (2021-06-29),
2. 10818843 - Polymer compound and light emitting device using the same (2020-10-27),
3. 10811610 - Composition and light emitting device obtained by using the composition (2020-10-20),
4. 10756269 - Composition and light emitting device using the same (2020-08-25),
5. 10323181 - Composition containing phosphorescent compound and light emitting device using the same (2019-06-18),
6. 9929347 - Polymer compound and light emitting element using same (2018-03-27),
7. 9716231 - Process for producing liquid composition for organic semiconductor element (2017-07-25),
8. 9093667 - Method for producing electroluminescence device (2015-07-28),
9. 9024053 - Compound obtained by dimerizing with light irradiation, a compound containing a group having lyophilicity, and a compound containing a group having liquid-repellency (2015-05-05),
10. 8847211 - Device, thin film transistor, method for manufacturing the device and method for manufacturing the thin film transistor (2014-09-30),
11. 8840808 - Process for producing liquid composition for organic semiconductor element (2014-09-23),
12. 8815414 - Polymer compound and polymer light emitting device using the same (2014-08-26),
13. 8567605 - Method of storing liquid composition for organic semiconductor element (2013-10-29),
14. 8384066 - Polymer light-emitting device, polymer compound, composition, liquid composition, and conductive thin film (2013-02-26),
15. 8298685 - Block copolymer and polymer light-emitting device (2012-10-30),

Title: Hidenobu Kakimoto - Innovator in Phosphorescent Materials

Introduction

Hidenobu Kakimoto is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the field of phosphorescent materials, holding a total of 16 patents. His innovative work has paved the way for advancements in various applications involving light-emitting devices.

Latest Patents

One of his latest patents is a method for producing a liquid composition that includes a phosphorescent material and an organic solvent. This method involves dissolving the phosphorescent material in the organic solvent to create a mixed liquid, which is then filtered using a specialized filtering device. Another notable patent involves a polymer compound that comprises specific constitutional units, which are essential for developing advanced light-emitting devices.

Career Highlights

Throughout his career, Hidenobu Kakimoto has worked with esteemed companies such as Sumitomo Chemical Company, Limited and Joled Inc. His experience in these organizations has allowed him to refine his expertise in the development of innovative materials and technologies.

Collaborations

Kakimoto has collaborated with talented individuals in his field, including coworkers Tomoya Nakatani and Takahiro Ueoka. These partnerships have contributed to the successful development of his patents and innovations.

Conclusion

Hidenobu Kakimoto's work in the realm of phosphorescent materials and light-em

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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