Kazunori Kataoka

This inventor holds 77 USPTO granted patents and 14 published patent applications, plus 1 CIPO patent and 29 EPO patents, primarily in Nucleic Acid Delivery (CPC class A61K). Top assignees: The University of Tokyo, Japan Science and Technology Agency, Nanocarrier Co., Ltd.. Active years: 1987-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazunori Kataoka. Retrieved from https://idiyas.com/inventor/kazunori-kataoka

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

Calculating rank

USPTO Granted Patents = 77 (Patent Applications = 14)

% Patents Active = 55.8

CIPO Patents = 1

EPO Patents = 29 (Patent Applications = 30)

Average Co-Inventor Count = 4.6

ph-index = 14

Forward Citations = 525(Granted Patents)

Forward Citations (Not Self Cited) = 435(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Nakano-ku, Tokyo, JP (2007)
Tokyo, JP (1987 - 2022)

Company Filing History:

31 out of 1,358

The University of Tokyo

patents

15 out of 1,329

Japan Science and Technology Agency

patents

11 out of 23

Nanocarrier Co., Ltd.

National Institute of Advanced Industrial Science and Technology

Agency of Industrial Science and Technology

patents

8. 3 out of 5

Japan Chemical Innovation Institute

patents

9. 3 out of 135

Tokyo Medical and Dental University

patents

10. 2 out of 908

Johnson and Johnson Vision Care, Inc.

Kawasaki Institute of Industrial Promotion

Research Development Corporation of Japan

Mitsubishi Kagaku Iatron, Inc.

patents

19. 1 out of 264

National Cancer Center

patents

20. 1 out of 29

Public University Corporation Nagoya City University

Tokyo Institute of Technology

25. 1 out of 834,570

Other

patents

where one patent can have more than one assignee

Years Active: 1987-2025

Loading Chart...

Areas of Expertise:

Amphiphilic Poly(Amino Acid)

Nanoreactor

Antitumor Drug Delivery

Micelle Composition

Nucleic Acid-Encapsulating

Polymer Nanoparticle

MRI Imaging

Charge Conversional Ternary Polyplex

Cationic Poly(Amino Acids)

Electrostatically Bonded Vesicle

Polyethylene Glycol

Organic-Inorganic Hybrid Particles

77 patents (USPTO):Sort by Forward CitationsExplore 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. 11364259 - MRNA functionalization method (2022-06-21),

3. 11096991 - Nanoreactor using polyion complex polymersomes, and method for producing same (2021-08-24),

4. 11066665 - Antitumor drug delivery formulation (2021-07-20),

5. 11020418 - Unit structure-type pharmaceutical composition for nucleic acid delivery (2021-06-01),

6. 10993960 - Pharmaceutical composition (2021-05-04),

7. 10912838 - Carrier for use in delivering drug, conjugate, composition comprising same, and method for administrating same (2021-02-09),

8. 10668169 - Micelle composition for nucleic acid delivery using temperature-sensitive polymer and method for producing same (2020-06-02),

9. 10471019 - Substance-containing vesicle, and production method therefor (2019-11-12),

10. 10357454 - Substance-encapsulating vesicle and process for producing the same (2019-07-23),

11. 10322092 - Substance-containing vesicle, and production method therefor (2019-06-18),

12. 10232054 - Composition for mRNA delivery (2019-03-19),

13. 10220026 - Micelle containing epirubicin-complexed block copolymer and anti-cancer agent, and pharmaceutical composition containing said micelle applicable to treatment of cancer, resistant cancer or metastatic cancer (2019-03-05),

14. 10046065 - Nucleic acid-encapsulating polymer micelle complex and method for producing same (2018-08-14),

15. 9937263 - Carrier for use in delivering drug, conjugate, composition comprising same, and method for administrating same (2018-04-10),

Certainly! Here is an article about inventor Kazunori Kataoka:

Title: Innovator Spotlight: Kazunori Kataoka Revolutionizing Nanotechnology

Introduction:

Renowned in the realm of nanotechnology, Kazunori Kataoka is a prolific inventor based in Tokyo, Japan, with an impressive portfolio of 75 patents to his name. His groundbreaking advancements in the field have propelled the boundaries of science and technology, making him a distinguished figure in the global innovation landscape.

Latest Patents:

1. MRNA Functionalization Method: Kataoka's innovative methodology introduces a functionalized mRNA that incorporates double-stranded RNA, enhancing its stability and functionality. This breakthrough opens new possibilities in the realm of genetic research and therapeutic applications.

2. Nanoreactor Using Polyion Complex Polymersomes: Kataoka's nanoreactor leveraging polyion complex polymersomes offers a nano-sized platform for diverse reactions. By encapsulating enzymes within these polymersomes, he has revolutionized the field of catalysis and biochemistry.

Career Highlights:

Having contributed significantly to the scientific community, Kazunori Kataoka has held pivotal roles at prestigious institutions such as The University of Tokyo and the Japan Science and Technology Agency. His expertise and innovative spirit have led to the development of cutting-edge technologies with far-reaching implications.

Collaborations:

Throughout his illustrious career, Kataoka has collaborated closely with esteemed colleagues such as Nobuhiro Nishiyama and Yukio Nagasaki. Their collective efforts have resulted in synergistic innovations that have reshaped the landscape of nanotechnology and biomedicine.

Conclusion:

In conclusion, Kazunori Kataoka's trailblazing work in nanotechnology embodies a relentless pursuit of scientific excellence and a commitment to pushing the boundaries of innovation. His patents and collaborations serve as testaments to his remarkable contributions to the field, cementing his legacy as a visionary inventor shaping the future of technology.

Profile summary based on public USPTO records.