Kobe, Japan

Masashi Ishizuka

This inventor holds 4 USPTO granted patents. Top assignees: Kawasaki Jukogyo Kabushiki Kaisha, Narita Seisakusho Mfg., Ltd.. Active years: 1986-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masashi Ishizuka. Retrieved from https://idiyas.com/inventor/masashi-ishizuka

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 = 2.1

ph-index = 3

Forward Citations = 36(Granted Patents)


Company Filing History:


Years Active: 1986-2014

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4 patents (USPTO):Explore Patents

Title: Masashi Ishizuka: Innovator in Railcar Technology

Introduction

Masashi Ishizuka is a notable inventor based in Kobe, Japan. He has made significant contributions to the field of railcar technology, holding a total of 4 patents. His innovative designs focus on enhancing the structural integrity and functionality of rail vehicles.

Latest Patents

Ishizuka's latest patents include a bodyshell structure of a railcar. This invention features a side bodyshell that consists of an outside plate portion, an inside plate portion, and a joint portion that connects the two. It also includes an inside window opening and an outside window opening, with the latter having a smaller area than the former. Notably, at least one of these openings has an oval or circular shape extending in the longitudinal direction of the railcar. Another significant patent is a gangway construction for vehicles. This design comprises divided hood structures that are fixed at one end to the vehicles while the other end remains free. The construction includes hood pressers that help in the coupling operation, ensuring a secure connection between vehicles.

Career Highlights

Throughout his career, Ishizuka has worked with prominent companies such as Kawasaki Heavy Industries and Narita Seisakusho Manufacturing Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in the railcar industry.

Collaborations

Ishizuka has collaborated with notable coworkers, including Atsushi Sano and Rokuro Ando. Their combined expertise has fostered a creative environment that has led to the development of groundbreaking technologies in railcar design.

Conclusion

Masashi Ishizuka's contributions to railcar technology through his patents and collaborations highlight his role as an influential inventor in the industry. His innovative designs continue to shape the future of rail transportation.

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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