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For the Inventor, By the Inventor

Yokohama, Japan

Mitsugu Hachisu

This inventor holds 15 USPTO granted patents. Top assignees: Meiji Seika Kaisha, Ltd., Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai, Meiji Seika Kabushiki Kaisha. Active years: 1980-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsugu Hachisu. Retrieved from https://idiyas.com/inventor/mitsugu-hachisu

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

USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 6.9

ph-index = 4

Forward Citations = 104(Granted Patents)


Location History:

  • Kawasaki, JP (1980)
  • Tokyo, JP (1983 - 1984)
  • Yokohama, JP (1988 - 2002)

Company Filing History:

goldMedal10 out of 382 
 
Meiji Seika Kaisha, Ltd.
 patents
silverMedal5 out of 212 
 
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
 patents
bronzeMedal1 out of 32 
 
Meiji Seika Kabushiki Kaisha
 patents
4. 1 out of 1 
 
Meuji Seika Kaisha Ltd.
 patent
where one patent can have more than one assignee

Years Active: 1980-2002

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15 patents (USPTO):Explore Patents
1. 6451800 - Phenylpiperazine derivatives as integrin &agr;v&bgr;3 antagonists (2002-09-17),
2. 6420558 - Aminopiperidine derivates as integrin &agr;v&bgr;3 antagonists (2002-07-16),
3. 6063779 - 5-(4-piperidinyl)dibenzothiazepine derivatives and (2000-05-16),
4. 5232947 - Oxamic acid compounds and pharmaceutical composition for use in (1993-08-03),
5. 5206384 - Actinonin derivatives and pharmaceutically acceptable salts thereof (1993-04-27),
6. 5132454 - Oxamic acid compounds and pharmaceutical compositions for use in (1992-07-21),
7. 5066677 - Novel oxamic acid compounds and pharmaceutical composition for use in (1991-11-19),
8. 4929633 - Actinonin derivatives having physiological activities (1990-05-29),
9. 4719231 - 3-[N-(mercaptoacyl)]amino-4-arylbutanoic acid derivatives and an (1988-01-12),
10. 4474764 - 3-Amino-2-hydroxy-4-phenylbutanoic acid derivatives and pharmaceutical (1984-10-02),
11. 4418070 - Cardiotonic agents (1983-11-29),
12. 4395402 - Analgesic agent (1983-07-26),
13. 4229448 - 5-Substituted picolinic acid derivatives and an anti-hypertensive (1980-10-21),
14. 4198416 - 5-Alkoxy-picolinic esters and anti-hypertensive composition containing (1980-04-15),
15. 4189489 - 5-Alkoxy-picolinic acid calcium salts and anti-hypertensive composition (1980-02-19),

Title: Mitsugu Hachisu: Innovator in Pharmaceutical Chemistry

Introduction

Mitsugu Hachisu is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of pharmaceutical chemistry, particularly in the development of integrin antagonists. With a total of 15 patents to his name, Hachisu has established himself as a key figure in innovation.

Latest Patents

Among his latest patents are "Phenylpiperazine derivatives as integrin αvβ3 antagonists" and "Aminopiperidine derivatives as integrin αvβ3 antagonists." These inventions showcase his expertise in creating compounds that have potential therapeutic applications.

Career Highlights

Hachisu has worked with notable companies such as Meiji Seika Kaisha, Ltd. and Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai. His work in these organizations has allowed him to advance his research and contribute to the development of new pharmaceutical products.

Collaborations

Hachisu has collaborated with esteemed colleagues, including Yasuharu Sekizawa and Seiji Shibahara. These partnerships have further enriched his research and innovation efforts.

Conclusion

Mitsugu Hachisu's contributions to pharmaceutical chemistry and his impressive portfolio of patents highlight his role as an influential inventor. His work continues to impact the field positively.

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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