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For the Inventor, By the Inventor

Minamatashi, Japan

Hiroaki Ishibashi

This inventor holds 6 USPTO granted patents. Top assignees: Chisso Corporation, Sanyo-Kokusaku Pulp Co., Ltd., Other. Active years: 1979-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Ishibashi. Retrieved from https://idiyas.com/inventor/hiroaki-ishibashi

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 3

Forward Citations = 62(Granted Patents)


Location History:

  • Minamata, JP (1982)
  • Minamatashi, JP (1979 - 1988)

Company Filing History:

goldMedal6 out of 1,109 
 
Chisso Corporation
 patents
silverMedal1 out of 65 
 
Sanyo-Kokusaku Pulp Co., Ltd.
 patents
bronzeMedal1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1979-1988

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6 patents (USPTO):Explore Patents
1. 4784853 - Antiviral agent (1988-11-15),
2. 4461892 - Process for preparing porous spherical cellulose particles (1984-07-24),
3. 4390691 - Process for preparing porous spherical cellulose particles (1983-06-28),
4. 4312980 - Process for preparing porous cellulose spherical particles (1982-01-26),
5. 4207303 - Method for producing pure phosphoric acid (1980-06-10),
6. 4180392 - Method for producing organic fertilizers (1979-12-25),

Title: Hiroaki Ishibashi: Innovator in Antiviral Agents and Cellulose Technology

Introduction

Hiroaki Ishibashi is a notable inventor based in Minamatashi, Japan. He has made significant contributions to the fields of antiviral agents and cellulose technology. With a total of 6 patents to his name, Ishibashi's work has had a meaningful impact on various industries.

Latest Patents

Ishibashi's latest patents include an innovative antiviral agent that contains an active ingredient extracted from Crocosmia x crocosmaeflora N.E. Br. This development showcases his commitment to advancing healthcare solutions. Additionally, he has patented a process for preparing porous spherical cellulose particles. This process involves suspending a cellulose organic ester solution in a chlorinated hydrocarbon solvent into an aqueous medium, forming droplets, and evaporating the solvent to create spherical particles. The method allows for high reproducibility in controlling the porosity of the cellulose particles.

Career Highlights

Throughout his career, Ishibashi has worked with Chisso Corporation, where he has contributed to various projects and innovations. His expertise in cellulose technology and antiviral agents has positioned him as a key figure in his field.

Collaborations

Ishibashi has collaborated with notable coworkers such as Masahiko Nishikawa and Hidenori Furukawa. Their combined efforts have led to advancements in their respective areas of expertise.

Conclusion

Hiroaki Ishibashi's contributions to antiviral agents and cellulose technology highlight his innovative spirit and dedication to research. His patents reflect a commitment to improving health and materials science.

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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