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For the Inventor, By the Inventor

Ibaraki, Japan

Masanori Kawamura

This inventor holds 20 USPTO granted patents, plus 2 CIPO patents, primarily in Chemical Compounds. Top assignees: Ono Pharmaceutical Co., Ltd., Kissei Pharmaceutical Co., Ltd.. Active years: 1981-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanori Kawamura. Retrieved from https://idiyas.com/inventor/masanori-kawamura

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

USPTO Granted Patents = 20

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.5

ph-index = 7

Forward Citations = 122(Granted Patents)


Location History:

  • Ibaraki, JP (1981 - 1989)
  • Osaka, JP (1991 - 1994)
  • Mishima, JP (1995 - 1997)

Company Filing History:

goldMedal20 out of 575 
 
Ono Pharmaceutical Co., Ltd.
 patents
silverMedal7 out of 176 
 
Kissei Pharmaceutical Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1981-1997

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Areas of Expertise:
Amidinophenol Derivatives
Pyridine Derivatives
Amino Acid Derivatives
Rhodanine Derivatives
Phenylalkanoic Acid
5-Hetero-6-Oxo-PGE-Derivatives
1-Substituted Imidazole Derivatives
Carboxy-Imidazole Derivatives
Pharmaceutical Compounds
Novel Esters
Thromboxane Synthetase Inhibition
20 patents (USPTO):Explore Patents
1. 5622984 - Amidinophenol derivatives (1997-04-22),
2. 5614555 - Amidinophenol derivatives (1997-03-25),
3. 5514713 - Amidinophenol derivatives (1996-05-07),
4. 5432178 - Amidinophenol derivatives (1995-07-11),
5. 5317021 - 3-mercapto-glutamic acid derivatives (1994-05-31),
6. 5202340 - Amino acid derivatives (1993-04-13),
7. 5164412 - 5-Hetero-6-oxo-PGE-derivatives (1992-11-17),
8. 5017589 - Novel amino acid derivatives (1991-05-21),
9. 5013734 - Novel esters of phenylalkanoic acid (1991-05-07),
10. 4831045 - Rhodanine derivatives, process for their preparation, and aldose (1989-05-16),
11. 4791126 - Rhodanine derivatives, process for their preparation, and aldose (1988-12-13),
12. 4464382 - Rhodanine derivatives, process for their preparation, and aldose (1984-08-07),
13. 4446143 - Rhodanine derivatives (1984-05-01),
14. 4427682 - Pyridine alkyl benzoic and thenoic acid compounds and their (1984-01-24),
15. 4374845 - 1-(7-Carboxy-2-octynyl)imidazole derivatives, pharmaceutical (1983-02-22),

Title: Inventor Masanori Kawamura: Innovations in Amidinophenol Derivatives

Introduction

Masanori Kawamura is a distinguished inventor based in Ibaraki, Japan. With an impressive portfolio of 20 patents, he has made significant contributions to the field of medicinal chemistry, particularly through his innovative work on amidinophenol derivatives.

Latest Patents

Among his latest patents, Kawamura has developed amidinophenol derivatives featuring specific structural formulas. These derivatives are notable for their inhibitory activities on PLA₂ and various proteases such as trypsin, plasmin, thrombin, and kallikrein, especially trypsin. They are heralded for their potential utility in the prevention and treatment of a range of inflammatory diseases, allergic diseases, disseminated intravascular coagulation, and severity in pancreatitis, along with multiple organ failure.

Career Highlights

Masanori Kawamura has had a robust career, prominently working with notable organizations such as Ono Pharmaceutical Co., Ltd. and Kissei Pharmaceutical Co., Ltd. His dedication to research and innovation in pharmaceuticals has led to various advancements in drug development.

Collaborations

Throughout his career, Kawamura collaborated with skilled professionals like Tadao Tanouchi and Masaki Hayashi. These partnerships have enhanced his research capabilities and contributed to the success of his inventive projects.

Conclusion

Masanori Kawamura's dedication to innovation in pharmaceutical science underscores the importance of his work on amidinophenol derivatives. His patents continue to pave the way for advancements in treatments for complex health issues, demonstrating the profound impact of his contributions to medicinal chemistry.

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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