Ichikawa, Japan

Koretoshi Hitotsuya

This inventor holds 1 USPTO granted patent. Top assignees: Onoda Cement Co., Ltd., Other. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koretoshi Hitotsuya. Retrieved from https://idiyas.com/inventor/koretoshi-hitotsuya

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:

goldMedal1 out of 101 
 
Onoda Cement Co., Ltd.
 patents
silverMedal1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: Koretoshi Hitotsuya: Innovator in Brittle Body Destruction

Introduction

Koretoshi Hitotsuya is a notable inventor based in Ichikawa, Japan. He has made significant contributions to the field of material science, particularly in methods for destroying brittle bodies. His innovative approach has garnered attention in various industrial applications.

Latest Patents

Koretoshi Hitotsuya holds a patent for a method of destroying a brittle body by hydration expansion. This method involves molding around an elastic tube or a heat-fusible member to create a charging hole. After the elastic tube is removed or the heat-fusible member is fused, an expandable splitting agent is introduced into the hole. This agent expands through hydration, effectively destroying the brittle body. In another variation, a water-impermeable film containing the expandable agent is buried within the brittle body, allowing for controlled destruction after the film is exposed.

Career Highlights

Throughout his career, Koretoshi has worked with Onoda Cement Co., Ltd., where he applied his innovative techniques in practical settings. His work has contributed to advancements in construction materials and methods.

Collaborations

Koretoshi has collaborated with notable individuals such as Takaaki Katayama and Shiro Ishii. These partnerships have fostered a creative environment that has led to further innovations in his field.

Conclusion

Koretoshi Hitotsuya's inventive methods for destroying brittle bodies represent a significant advancement in material science. His contributions continue to influence various industries, showcasing the importance of innovation in solving complex problems.

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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