Hamamatsu, Japan

Seiji Kobayashi

This inventor holds 3 USPTO granted patents. Top assignee: Sanshin Kogyo Kabushiki Kaisha. Active years: 1991-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Kobayashi. Retrieved from https://idiyas.com/inventor/seiji-kobayashi-hb4bs32v

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 = 3

Forward Citations = 27(Granted Patents)


Company Filing History:


Years Active: 1991-1993

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3 patents (USPTO):Explore Patents

Title: Seiji Kobayashi: Innovator in Outboard Motor Technology

Introduction

Seiji Kobayashi is a notable inventor based in Hamamatsu, Japan. He has made significant contributions to the field of outboard motor technology, holding a total of 3 patents. His innovative designs focus on enhancing the efficiency and functionality of outboard motors.

Latest Patents

Kobayashi's latest patents include a cowling and air inlet device for outboard motors. The first embodiment describes a cowling with an air inlet formed in the upper rear surface. This design features an air intake duct that supplies air to the engine induction system. It incorporates various arrangements of partitions to ensure adequate airflow while preventing water from entering the cowling and engine. Additionally, a cover portion is positioned above the air intake duct, designed to reduce noise from airflow around the duct.

The second embodiment also focuses on a cowling and air inlet device, which includes an air inlet that is open only on one or both sides of the cowling. This design ensures sufficient air induction to the engine while preventing water intrusion. The air inlet is similarly formed in the upper rear surface and includes an air intake duct. A cover is strategically placed above the air intake duct to define a flow path for air and to protect the duct from foreign objects.

Career Highlights

Seiji Kobayashi is associated with Sanshin Kogyo Kabushiki Kaisha, where he continues to innovate in the field of outboard motors. His work has significantly impacted the design and functionality of these engines, making them more efficient and reliable.

Collaborations

Kobayashi has collaborated with notable coworkers such as Masaharu Miyazaki and Hideto Arai. Their combined expertise has contributed to the advancement of technology in their field.

Conclusion

Seiji Kobayashi's contributions to outboard motor technology through his innovative patents demonstrate his commitment to enhancing engine performance and reliability. His work continues to influence the industry and inspire future innovations.

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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