Masahiro Ishizuka

This inventor holds 15 USPTO granted patents and 4 published patent applications, plus 6 CIPO patents and 10 EPO patents. Top assignees: Sbi Pharmaceuticals Co., Ltd., Cosmo Oil Co., Ltd., Kochi University. Active years: 2002-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Ishizuka. Retrieved from https://idiyas.com/inventor/masahiro-ishizuka

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

USPTO Granted Patents = 15 (Patent Applications = 4)

% Patents Active = 66.7

CIPO Patents = 6

EPO Patents = 10 (Patent Applications = 7)

Average Co-Inventor Count = 4.9

ph-index = 3

Forward Citations = 30(Granted Patents)

Location History:

Satte, JP (2012 - 2013)
Saitama, JP (2002 - 2015)
Minato-ku, JP (2014 - 2016)
Tokyo, JP (2012 - 2020)

Company Filing History:

10 out of 41

Sbi Pharmaceuticals Co., Ltd.

Osaka City University

patents

5. 1 out of 591

Tokyo Institute of Technology

patents

6. 1 out of 834,513

Other

patents

where one patent can have more than one assignee

Years Active: 2002-2020

Loading Chart...

15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10675242 - Aqueous formulation containing 5-aminolevulinic acid or the like (2020-06-09),

2. 9707196 - Treatment agent and/or prophylactic agent for side effects of cancer drugs (2017-07-18),

3. 9603928 - Medicinal composition for promoting synthesis of protoporphyrin IX (2017-03-28),

4. 9517267 - Photodynamic diagnostic agent and photobleaching inhibitor (2016-12-13),

5. 9488664 - Diagnostic agent for tumor (2016-11-08),

6. 9340490 - Diagnostic agent for tumor (2016-05-17),

7. 9061949 - Metal component absorption enhancer in plant (2015-06-23),

8. 8999296 - Method of detecting bladder cancer (2015-04-07),

9. 8927532 - Therapeutic agent and diagnostic agent for mitochondrial dysfunction brain diseases (2015-01-06),

10. 8790712 - Constitutional function-improving agents (2014-07-29),

11. 8563605 - Therapeutic agent for male sterility (2013-10-22),

12. 8471061 - 5-aminolevulinic acid salt, process for producing the same and use thereof (2013-06-25),

13. 8309493 - Polyphenol-content-increasing agent for plant (2012-11-13),

14. 8173839 - 5-aminolevulinic acid salt, process for producing the same and use thereof (2012-05-08),

15. 6355671 - SULFONATED DERIVATIVES OF CYCLIC PHENOL SULFIDES, PROCESS FOR THE PREPARATION THEREOF, SEPARATING AND RECOVERING AGENTS CONTAINING CYCLIC PHENOL SULFIDES, METHODS FOR SEPARATION AND RECOVERY THEREWITH, AND DRUG COMPOSITIONS CONTAINING THE SULFIDES (2002-03-12),

Title: Masahiro Ishizuka: Innovator in Pharmaceutical Formulations

Introduction

Masahiro Ishizuka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of formulations that enhance the stability and efficacy of therapeutic agents. With a total of 15 patents to his name, Ishizuka's work has had a notable impact on cancer treatment and drug formulation.

Latest Patents

Ishizuka's latest patents include an aqueous formulation containing 5-aminolevulinic acid (ALA) aimed at improving the stability of such formulations when combined with iron compounds. This invention is characterized by the inclusion of 0.2-30% by weight of sodium or potassium salts, with a pH range of 2-8. Another significant patent focuses on a treatment and prophylactic agent for the side effects of cancer drugs. This method involves administering a therapeutically effective amount of a compound that can alleviate the adverse effects experienced by patients undergoing cancer treatment.

Career Highlights

Throughout his career, Ishizuka has worked with notable companies such as Sbi Pharmaceuticals Co., Ltd. and Cosmo Oil Co., Ltd. His experience in these organizations has allowed him to refine his expertise in pharmaceutical innovations and contribute to advancements in drug formulations.

Collaborations

Ishizuka has collaborated with several professionals in his field, including Tohru Tanaka. These partnerships have facilitated the exchange of ideas and fostered innovation in pharmaceutical research.

Conclusion

Masahiro Ishizuka's contributions to the pharmaceutical industry through his innovative patents and collaborations highlight his role as a key inventor in the field. His work continues to influence the development of effective treatments for cancer and other medical conditions.

Profile summary based on public USPTO records.