Nobuhiro Nishiyama

This inventor holds 35 USPTO granted patents and 8 published patent applications, plus 2 CIPO patents and 21 EPO patents, primarily in Degradable Polymers. Top assignees: The University of Tokyo, Tokyo Institute of Technology, Nanocarrier Co., Ltd.. Active years: 2005-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuhiro Nishiyama. Retrieved from https://idiyas.com/inventor/nobuhiro-nishiyama

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

USPTO Granted Patents = 35 (Patent Applications = 8)

% Patents Active = 62.9

CIPO Patents = 2 (Patent Applications = 1)

EPO Patents = 21 (Patent Applications = 22)

Average Co-Inventor Count = 6.5

ph-index = 5

Forward Citations = 143(Granted Patents)

Location History:

Kita-ku, JP (2013)
Bunkyo-ku, JP (2014)
Tokyo, JP (2005 - 2024)

Company Filing History:

19 out of 1,355

The University of Tokyo

patents

12 out of 591

Tokyo Institute of Technology

patents

6 out of 23

Nanocarrier Co., Ltd.

Tokyo Medical and Dental University

Japan Science and Technology Corporation

National Cancer Center

Sbi Pharmaceuticals Co., Ltd.

where one patent can have more than one assignee

Years Active: 2005-2025

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Areas of Expertise:

Degradable Polyethylene Glycol

Cancer Therapeutics

Drug Delivery System

Polymer Nanoparticle

Antitumor Agent

Micelle Composition

Nucleic Acid Delivery

Cationic Polyamino Acid

Polyion Complex

Responsive Polymer

Pharmaceutical Composition

Polymeric Micelle

35 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12497508 - BRANCHED AND DEGRADABLE POLYETHYLENE GLYCOL DERIVATIVE (2025-12-16),

2. 12433857 - Conjugate and cancer therapeutic agent (2025-10-07),

3. 12404367 - Degradable multi-arm polyethylene glycol derivative (2025-09-02),

4. 12403199 - Asymmetrically branched degradable polyethylene glycol derivative (2025-09-02),

5. 12390534 - Branched degradable polyethylene glycol binder (2025-08-19),

6. 12239713 - Degradable polyethylene glycol conjugate (2025-03-04),

7. 12187846 - Degradable polyethylene glycol derivative (2025-01-07),

8. 11890347 - PH-responsive polymer and drug delivery system (2024-02-06),

9. 11707530 - Ligand capable of multivalently binding to glutamine transporter, and composition comprising same (2023-07-25),

10. 11555082 - P-boronophenylalanine derivative and composition containing same, and kit for producing said derivative and composition (2023-01-17),

11. 11376266 - Antitumor agent (2022-07-05),

12. 11020418 - Unit structure-type pharmaceutical composition for nucleic acid delivery (2021-06-01),

13. 10912838 - Carrier for use in delivering drug, conjugate, composition comprising same, and method for administrating same (2021-02-09),

14. 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),

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

Title: Inventor Nobuhiro Nishiyama: Pioneering Innovations in Tokyo

Introduction: Nobuhiro Nishiyama is a distinguished inventor based in Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Nishiyama holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to innovation.

Career Highlights: With over two decades of experience in the industry, Nishiyama has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized the way we approach complex challenges.

Collaborations: Throughout his career, Nishiyama has collaborated with top companies and inventors globally, fostering a culture of creativity and excellence in the pursuit of technological advancement.

Conclusion: Nobuhiro Nishiyama's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology.

Profile summary based on public USPTO records.