Tokyo, Japan

Hajime Ishida

This inventor holds 3 USPTO granted patents. Top assignee: Tomy Kogyo Co., Ltd.. Active years: 1977-1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Ishida. Retrieved from https://idiyas.com/inventor/hajime-ishida-mhm1vpaz

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 = 1.2

ph-index = 3

Forward Citations = 68(Granted Patents)


Location History:

  • Tokyo, JA (1977 - 1978)
  • Tokyo, JP (1978)

Company Filing History:


Years Active: 1977-1978

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3 patents (USPTO):Explore Patents

Title: Hajime Ishida: Innovator in Folding Bicycle and Child Furniture Design

Introduction

Hajime Ishida is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of transportation and child care through his innovative designs. With a total of 3 patents, Ishida continues to push the boundaries of functionality and convenience in everyday products.

Latest Patents

One of Ishida's latest inventions is a folding bicycle. This innovative design features a foldable frame structure that includes a front support assembly with handlebars, which can be easily folded rearward. The user can quickly and effortlessly fold the bicycle by manually adjusting the front support assembly, which is interconnected by a hinge. This design enhances portability and convenience for users.

Another significant invention by Ishida is a combination chair and bed for small children. This versatile piece of furniture features a back and seat that are rotatably mounted to each other, along with a footrest that can also rotate. The design includes a support rod with legs that allow for various configurations, enabling the chair to transform into a flat bed, a collapsed position for easy storage, and multiple intermediate positions for use as a chair. This invention addresses the needs of parents and caregivers by providing a multifunctional solution for small children.

Career Highlights

Hajime Ishida is associated with Tomy Kogyo Co., Ltd., a company known for its innovative products in the toy and child care industry. His work at Tomy Kogyo has allowed him to develop and refine his inventions, contributing to the company's reputation for quality and creativity.

Collaborations

Ishida collaborates with Mitsuyo Tsumita, a fellow innovator. Their partnership has fostered a creative environment that encourages the development of new ideas and products.

Conclusion

Hajime Ishida is a remarkable inventor whose contributions to the design of folding bicycles and child furniture demonstrate his commitment to innovation. His work continues to impact the lives of many, making everyday tasks easier and more efficient.

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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