Kosai, Japan

Keiji Hashimoto

This inventor holds 1 USPTO granted patent. Top assignee: Asmo Co., Ltd.. Active years: 1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Hashimoto. Retrieved from https://idiyas.com/inventor/keiji-hashimoto-6kcqmbx5

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 = 2.0

ph-index = 1

Forward Citations = 26(Granted Patents)


Company Filing History:


Years Active: 1997

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1 patent (USPTO):Explore Patents

Title: Keiji Hashimoto: Innovator in Electric Machine Technology

Introduction

Keiji Hashimoto is a notable inventor based in Kosai, Japan. He has made significant contributions to the field of electric rotating machines. His innovative designs have led to advancements in the efficiency and functionality of these machines.

Latest Patents

One of Hashimoto's key inventions is a patent for a brush apparatus for electric rotating machines. This brush apparatus features a brush with a pigtail, a brush holder, and a spring. The design includes a slit and a stopper piece in the brush holder. The pigtail is passed through the slit when the brush is inserted, and the stopper piece is bent to close the opening of the slit. This innovation simplifies the insertion operation of the brush into the holder and prevents the brush and spring from detaching due to wear.

Career Highlights

Hashimoto is associated with Asmo Co., Ltd., a company known for its expertise in electric machinery. His work has been instrumental in enhancing the performance of electric rotating machines. With 1 patent to his name, he continues to push the boundaries of technology in this field.

Collaborations

One of his notable coworkers is Mineo Yamaguchi. Their collaboration has contributed to the development of innovative solutions in electric machinery.

Conclusion

Keiji Hashimoto's contributions to electric rotating machines exemplify the spirit of innovation. His patented designs not only simplify operations but also enhance the durability of essential components. His work continues to influence the industry positively.

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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