Toyota, Japan

Shigetsugu Iwata

This inventor holds 7 USPTO granted patents. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2010-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigetsugu Iwata. Retrieved from https://idiyas.com/inventor/shigetsugu-iwata

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


% Patents Active = 42.9

Average Co-Inventor Count = 4.0

ph-index = 3

Forward Citations = 17(Granted Patents)


Company Filing History:


Years Active: 2010-2022

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7 patents (USPTO):Explore Patents

Title: Shigetsugu Iwata: Innovator in Vehicle Technology

Introduction

Shigetsugu Iwata is a prominent inventor based in Toyota, Japan. He has made significant contributions to the field of vehicle technology, holding a total of 7 patents. His innovative designs focus on improving vehicle performance and efficiency.

Latest Patents

One of Iwata's latest patents is a lubrication mechanism for a vehicle drive-force transmitting apparatus. This mechanism includes first and second gears that mesh with each other in a designated region. It features a casing that houses these gears and a gutter that extends from the inner wall surface to collect oil. The design includes a flow-direction changing rib that alters the flow direction of the oil, ensuring effective lubrication in the meshing region.

Another notable patent is for a vehicle power transmission device. This device comprises a case that houses a power transmission mechanism, along with a cover that protects the case. The cover is designed with a stepped portion that projects outward, enhancing the overall structure and functionality of the vehicle's power transmission system.

Career Highlights

Iwata's career at Toyota Jidosha Kabushiki Kaisha has been marked by his dedication to innovation and excellence in vehicle technology. His work has significantly impacted the automotive industry, leading to advancements that improve vehicle reliability and performance.

Collaborations

Throughout his career, Iwata has collaborated with talented individuals such as Takafumi Koshida and Seitaro Nobuyasu. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Shigetsugu Iwata's contributions to vehicle technology through his patents and collaborations highlight his role as a key innovator in the automotive industry. His work continues to influence the design and functionality of modern vehicles.

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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