Yokohama, Japan

Toru Sema

This inventor holds 4 USPTO granted patents. Top assignees: Lion Corporation, Shin-Estu Chemical Co., Ltd., The Lion Dentifrice Co., Ltd.. Active years: 1979-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toru Sema. Retrieved from https://idiyas.com/inventor/toru-sema

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 2

Forward Citations = 34(Granted Patents)


Company Filing History:


Years Active: 1979-1984

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4 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Toru Sema

Introduction

Toru Sema is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of record cleaning technology, holding a total of 4 patents. His innovative designs reflect a deep understanding of both functionality and user experience.

Latest Patents

One of Toru Sema's latest inventions is a record cleaning device. This device comprises a container body designed to hold an adhesive material that is applied to the surface of a record for cleaning purposes. The device features a slit formed in the bottom of the container body, along with an arm member that is integrally attached to the container. The positioning means at the end of the arm member is strategically located in the center of the record, allowing the container body to rotate smoothly over the record. Additionally, the cleaning device includes support means that create a clearance between the bottom of the slit and the upper surface of the record. This design ensures that the adhesive material is applied uniformly when the container body is rotated over the record.

Career Highlights

Throughout his career, Toru Sema has worked with reputable companies such as Lion Corporation and Shin-Etsu Chemical Co., Ltd. His experience in these organizations has undoubtedly contributed to his innovative mindset and technical expertise.

Collaborations

Toru Sema has collaborated with talented individuals in his field, including coworkers Tatsuhiko Tsutsui and Iwao Moriya. These collaborations have likely fostered a creative environment that encourages the development of groundbreaking inventions.

Conclusion

Toru Sema's contributions to the field of record cleaning technology exemplify his innovative spirit and dedication to improving user experiences. His patents reflect a commitment to quality and functionality that continues to influence the industry.

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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