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For the Inventor, By the Inventor

Yawata, Japan

Goichi Hirata

This inventor holds 7 USPTO granted patents. Top assignee: Tanabe Seiyaku Company, Limited. Active years: 1980-1985.

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

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

Calculating rank
USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 6

Forward Citations = 195(Granted Patents)


Location History:

  • Hirakata, JP (1980)
  • Yawata, JP (1983 - 1985)

Company Filing History:

goldMedal7 out of 324 
 
Tanabe Seiyaku Company, Limited
 patents

Years Active: 1980-1985

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7 patents (USPTO):Explore Patents
1. 4542042 - Process for preparing free-flowing ethylcellulose microcapsules (1985-09-17),
2. 4486471 - Process for preparing ethylcellulose microcapsules (1984-12-04),
3. 4462982 - Microcapsules and method of preparing same (1984-07-31),
4. 4443497 - Method of preparing microcapsules (1984-04-17),
5. 4411933 - Process for preparing ethylcellulose microcapsules (1983-10-25),
6. 4389331 - Process for preparing pharmaceutically active compound-containing (1983-06-21),
7. 4218333 - Process for the preparation of pharmaceutical substance-containing (1980-08-19),

Title: Goichi Hirata - Innovator in Ethylcellulose Microcapsules

Introduction

Goichi Hirata is a prominent inventor based in Yawata, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of microcapsules using ethylcellulose.

Latest Patents

Hirata holds a total of 7 patents, with his latest innovations focusing on processes for preparing free-flowing ethylcellulose microcapsules. One of his notable patents describes a method for creating these microcapsules by utilizing the phase-separation of ethylcellulose in cyclohexane. This process involves a hydrocarbon compound that acts as a phase-separation-inducing agent. Another patent outlines the preparation of microcapsules containing pharmaceutically active compounds, where the coating walls consist of ethylcellulose and a water-insoluble, acid-soluble polymer material.

Career Highlights

Goichi Hirata is associated with Tanabe Seiyaku Company, Limited, where he has been instrumental in advancing pharmaceutical technologies. His work has led to innovative solutions that enhance the delivery and efficacy of medications.

Collaborations

Throughout his career, Hirata has collaborated with esteemed colleagues, including Masayoshi Samejima and Yoshiyuki Koida. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

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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