Shojiro Kadono

This inventor holds 20 USPTO granted patents and 15 published patent applications, plus 7 CIPO patents and 9 EPO patents, primarily in Antibody Engineering. Top assignees: Chugai Seiyaku Kabushiki Kaisha, Nissan Chemical Industries Limited. Active years: 2006-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shojiro Kadono. Retrieved from https://idiyas.com/inventor/shojiro-kadono

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

Calculating rank

USPTO Granted Patents = 20 (Patent Applications = 15)

% Patents Active = 90.0

CIPO Patents = 7 (Patent Applications = 4)

EPO Patents = 9 (Patent Applications = 22)

Average Co-Inventor Count = 5.9

ph-index = 5

Forward Citations = 120(Granted Patents)

Location History:

Shizuoka, JP (2006)
Gotenba, JP (2011)
Kanagawa, JP (2018 - 2024)

Company Filing History:

20 out of 991

Chugai Seiyaku Kabushiki Kaisha

patents

1 out of 1,235

Nissan Chemical Industries Limited

patents

where one patent can have more than one assignee

Years Active: 2006-2026

Loading Chart...

Areas of Expertise:

Antigen-Binding Molecule

Polypeptide Hetero-Oligomer

Fc Region Modification

Modified Antibody

Immunogenicity

Target Tissue-Specific

Library of Molecules

Concentration-Dependent Activity

Peptide Derivatives

α-Amino Acid Derivatives

CD137 Antigen

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12624089 - ANTIGEN-BINDING MOLECULE FOR PROMOTING DISAPPEARANCE OF ANTIGEN VIA Fc GAMMA RIIB (2026-05-12),

2. 12522648 - ANTIGEN-BINDING MOLECULE CONTAINING MODIFIED FC REGION (2026-01-13),

3. 12479916 - ANTIGEN-BINDING MOLECULE CONTAINING MODIFIED ANTIBODY VARIABLE REGION (2025-11-25),

4. 12371511 - Heterodimerized polypeptide (2025-07-29),

5. 12359001 - Method for producing polypeptide hetero-oligomer (2025-07-15),

6. 12304960 - Anti-CD137 antigen-binding molecule and utilization thereof (2025-05-20),

7. 12234573 - Library of antigen-binding molecules including modified antibody variable region (2025-02-25),

8. 11912989 - Antigen-binding molecules, the antigen-binding activity of which varies according to the concentration of compounds, and libraries of said molecules (2024-02-27),

9. 11739149 - Antigen-binding molecule containing modified antibody variable region (2023-08-29),

10. 11718678 - Method for altering plasma retention and immunogenicity of antigen-binding molecule (2023-08-08),

11. 11673947 - Target tissue-specific antigen-binding molecule (2023-06-13),

12. 11154615 - Library of antigen-binding molecules including modified antibody variable region (2021-10-26),

13. 11142587 - Method for producing polypeptide hetero-oligomer (2021-10-12),

14. 11142563 - Antigen-binding molecule containing modified Fc region (2021-10-12),

15. 10961530 - Antigen-binding molecules, the antigen-binding activity of which varies according to the concentration of compounds, and libraries of said molecules (2021-03-30),

Title: The Innovations of Shojiro Kadono

Introduction

Shojiro Kadono is a prominent inventor based in Kanagawa, Japan, known for his significant contributions to the field of biotechnology. With a total of 17 patents to his name, Kadono has made remarkable advancements in the production and functionality of polypeptides.

Latest Patents

Among his latest patents is the development of a heterodimerized polypeptide. This innovation involves creating a heterodimerized polypeptide with an Fc region formed from two polypeptides that possess different amino acid sequences. This method has led to the production of a heterodimerized polypeptide that exhibits improved Fc region function compared to traditional homodimers. Another notable patent is the method for producing polypeptide hetero-oligomers. This method aims to efficiently and stably produce heteromultimers by incubating homo variants of various heavy chain constant region-containing polypeptides under specific reducing conditions.

Career Highlights

Throughout his career, Shojiro Kadono has worked with notable companies such as Chugai Seiyaku Kabushiki Kaisha and Nissan Chemical Industries Limited. His work in these organizations has contributed to his expertise and the development of his innovative patents.

Collaborations

Kadono has collaborated with esteemed colleagues, including Tomoyuki Igawa and Hitoshi Katada. These partnerships have further enhanced his research and development efforts in the field of biotechnology.

Conclusion

Shojiro Kadono's contributions to biotechnology through his patents and collaborations highlight his role as a leading inventor in the industry. His innovative approaches to polypeptide production continue to influence advancements in the field.

Profile summary based on public USPTO records.