Kanagawa, Japan

Masaaki Shigesada

This inventor holds 3 USPTO granted patents. Top assignee: Nissan Motor Company Limited. Active years: 1987-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Shigesada. Retrieved from https://idiyas.com/inventor/masaaki-shigesada

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


% Patents Active = 66.7

Average Co-Inventor Count = 1.5

ph-index = 2

Forward Citations = 16(Granted Patents)


Location History:

  • Hadano, JP (1987)
  • Hatano, JP (1990)
  • Kanagawa-ken, JP (2004)

Company Filing History:


Years Active: 1987-2004

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3 patents (USPTO):Explore Patents

Title: Masaaki Shigesada: Innovator in Automotive Design

Introduction

Masaaki Shigesada is a notable inventor based in Kanagawa-ken, Japan. He has made significant contributions to the automotive industry, particularly through his innovative designs and patents. With a total of 3 patents, Shigesada has demonstrated his expertise in enhancing vehicle functionality and aesthetics.

Latest Patents

One of his latest patents is the "Seal structure of door mirror mounting portion." This invention features a mirror base portion mounted to a door panel, with a seal member positioned between the mirror base and the door panel. The design includes a weather strip that seals the door panel and the front pillar, ensuring a smooth air stream during vehicle travel. This innovation not only improves the vehicle's appearance but also reduces wind noise and enhances the durability of the seal. Another significant patent is the "Method of treating inner mold surface," which focuses on creating artificial leather that mimics the texture and feel of real leather. This process involves forming a leather wrinkle pattern on the artificial leather, enhancing its aesthetic appeal.

Career Highlights

Masaaki Shigesada is currently employed at Nissan Motor Company Limited, where he applies his inventive skills to develop advanced automotive solutions. His work has contributed to the company's reputation for innovation and quality in vehicle design.

Collaborations

Shigesada has collaborated with notable colleagues, including Norio Kazama and Junichi Wakamatsu. Their combined expertise has fostered a creative environment that encourages the development of groundbreaking automotive technologies.

Conclusion

Masaaki Shigesada's contributions to the automotive industry through his patents and innovative designs highlight his role as a key inventor. His work continues to influence vehicle design and functionality, making a lasting impact on 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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