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For the Inventor, By the Inventor

Tokyo, Japan

HyunJin Kim

This inventor holds 5 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignees: The University of Tokyo, Kawasaki Institute of Industrial Promotion. Active years: 2013-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: HyunJin Kim. Retrieved from https://idiyas.com/inventor/hyunjin-kim-pagn8mka

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

Calculating rank
USPTO Granted Patents = 5 

% Patents Active = 40.0

 

Average Co-Inventor Count = 5.5

ph-index = 2

Forward Citations = 50(Granted Patents)


Company Filing History:

goldMedal5 out of 1,358 
 
The University of Tokyo
 patents
silverMedal1 out of 8 
 
Kawasaki Institute of Industrial Promotion
 patents
where one patent can have more than one assignee

Years Active: 2013-2025

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5 patents (USPTO):Explore Patents
1. 12415891 - Amphiphilic poly (amino acid), block copolyer using the amphiphilic poly (amino acid), and complex including the amphiphilic poly (amino acid) or the block copolymer and nucleic acid (2025-09-16),
2. 11324835 - Nucleic acid-loaded unit polyion complex (2022-05-10),
3. 9303122 - Charge conversional ternary polyplex (2016-04-05),
4. 8546487 - Cationic poly (amino acids) and uses thereof (2013-10-01),
5. 8431545 - Copolymer including uncharged hydrophilic block and cationic polyamino acid block having hydrophobic group in part of side chains, and use thereof (2013-04-30),

Title: Unveiling the Innovations of Inventor HyunJin Kim

Introduction:

HyunJin Kim, a brilliant inventor based in Tokyo, Japan, has made significant contributions to the field of biomedical technology. With a total of 4 patents to his name, Kim's cutting-edge research has focused on developing advanced solutions for delivering nucleic acids to targeted sites in patients.

Latest Patents:

1. Nucleic acid-loaded unit polyion complex: This patent unveils a unit-type polyion complex designed for efficient delivery of nucleic acids to specific locations in the human body. By utilizing a unique block copolymer with poly(ethylene glycol) and cationic poly(amino acid) segments, Kim's innovation ensures precise targeting and enhanced therapeutic outcomes.

2. Charge conversional ternary polyplex: Kim's pioneering work introduces a polymer composite (polyplex) containing nucleic acid, a cationic polymer, and an anionic polymer. This composite exhibits the ability to change its charge from negative to positive under acidic conditions, optimizing nucleic acid delivery in varying microenvironments.

Career Highlights:

HyunJin Kim has held key research positions at prestigious institutions, including The University of Tokyo and the Kawasaki Institute of Industrial Promotion. His innovative approach to biomedical technologies has garnered recognition and acclaim within the scientific community.

Collaborations:

Throughout his career, Kim has collaborated with esteemed colleagues such as Kanjiro Miyata and Kazunori Kataoka. Together, they have pushed the boundaries of nucleic acid delivery systems, paving the way for transformative advancements in personalized medicine.

Conclusion:

Inventor HyunJin Kim's relentless pursuit of innovation and his groundbreaking patents demonstrate his commitment to revolutionizing biomedical technology. Through his partnerships with leading researchers and his tenure at renowned institutions, Kim continues to shape the future of targeted drug delivery and precision medicine.

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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