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For the Inventor, By the Inventor

Omiya, Japan

Yasufumi Hirata

This inventor holds 8 USPTO granted patents. Top assignee: Yamanouchi Pharmaceutical Company Ltd.. Active years: 1978-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasufumi Hirata. Retrieved from https://idiyas.com/inventor/yasufumi-hirata

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 3.8

ph-index = 6

Forward Citations = 139(Granted Patents)


Location History:

  • Ageo, JA (1978)
  • Ageo, JP (1980)
  • Omiya, JP (1981 - 1983)
  • Saitama, JP (1981 - 1986)

Company Filing History:

goldMedal8 out of 329 
 
Yamanouchi Pharmaceutical Company Ltd.
 patents

Years Active: 1978-1986

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8 patents (USPTO):Explore Patents
1. 4609737 - Novel 2-guanidinothiazoline compounds, and process for preparing them (1986-09-02),
2. 4562261 - 2-Guanidinothiazoline compounds, and process for preparing them (1985-12-31),
3. 4379158 - Antisecretory imidazole amidine compounds, composition and method of use (1983-04-05),
4. 4362736 - Guanidinothiazole compounds, and medical compositions containing them (1982-12-07),
5. 4283408 - Guanidinothiazole compounds, process for preparation and gastric (1981-08-11),
6. 4252819 - Antisecretory heterocyclic amidine compounds (1981-02-24),
7. 4197243 - N-1-Benzyl-3-pyrrolidinyl-4-dimethylamino benzamide derivatives (1980-04-08),
8. 4097487 - Pyrrolidinyl and piperidinyl benzamide derivatives (1978-06-27),

Title: **Yasufumi Hirata: Innovator in Medicinal Chemistry**

Introduction

Yasufumi Hirata is an esteemed inventor based in Omiya, Japan, known for his significant contributions to the field of medicinal chemistry. With a total of 8 patents to his name, Hirata has been at the forefront of innovation, particularly in developing compounds that serve as vital intermediates in pharmaceutical applications.

Latest Patents

Hirata’s latest inventions include two remarkable patents focusing on novel 2-guanidinothiazoline compounds. These compounds, denoted by the general formula where R represents a hydrogen atom or a lower alkyl group and X represents a halogen atom, form important intermediates for the synthesis of famotidine and thiotidine. These medicaments are recognized for their effectiveness as gastric acid secretion inhibitors, showcasing Hirata's pivotal role in advancing therapeutic approaches.

Career Highlights

Throughout his career, Yasufumi Hirata has demonstrated an unwavering commitment to scientific excellence. His work at the Yamanouchi Pharmaceutical Company Ltd. has been instrumental in pushing the boundaries of medicinal chemistry and enhancing drug development processes. His innovative spirit continues to inspire peers and upcoming scientists alike.

Collaborations

Hirata collaborates with other renowned professionals in the industry, including Isao Yanagisawa and Masaaki Takeda. These collaborations not only amplify the impact of his inventions but also foster a rich environment for creative scientific exploration.

Conclusion

Yasufumi Hirata is a prominent figure in the realm of medicinal chemistry, with numerous patents underscoring his innovative abilities. His dedication to advancing healthcare through innovation positions him as a key contributor to the pharmaceutical field, making substantial strides in the development of important therapeutic compounds.

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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